import pytest

from hatchling.metadata.core import BuildMetadata, CoreMetadata, HatchMetadata, ProjectMetadata
from hatchling.metadata.spec import (
    LATEST_METADATA_VERSION,
    get_core_metadata_constructors,
    project_metadata_from_core_metadata,
)
from hatchling.plugin.manager import PluginManager
from hatchling.utils.constants import DEFAULT_BUILD_SCRIPT
from hatchling.version.source.regex import RegexSource


@pytest.fixture(scope="module")
def latest_spec():
    return get_core_metadata_constructors()[LATEST_METADATA_VERSION]


class TestConfig:
    def test_default(self, isolation):
        metadata = ProjectMetadata(str(isolation), None)

        assert metadata.config == metadata.config == {}

    def test_reuse(self, isolation):
        config = {}
        metadata = ProjectMetadata(str(isolation), None, config)

        assert metadata.config is metadata.config is config

    def test_read(self, temp_dir):
        project_file = temp_dir / "pyproject.toml"
        project_file.write_text("foo = 5")

        with temp_dir.as_cwd():
            metadata = ProjectMetadata(str(temp_dir), None)

            assert metadata.config == metadata.config == {"foo": 5}


class TestInterface:
    def test_types(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {}})

        assert isinstance(metadata.core, CoreMetadata)
        assert isinstance(metadata.hatch, HatchMetadata)
        assert isinstance(metadata.build, BuildMetadata)

    def test_missing_core_metadata(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {})

        with pytest.raises(ValueError, match="Missing `project` metadata table in configuration"):
            _ = metadata.core

    def test_core_metadata_not_table(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": "foo"})

        with pytest.raises(TypeError, match="The `project` configuration must be a table"):
            _ = metadata.core

    def test_tool_metadata_not_table(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"tool": "foo"})

        with pytest.raises(TypeError, match="The `tool` configuration must be a table"):
            _ = metadata.hatch

    def test_hatch_metadata_not_table(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"tool": {"hatch": "foo"}})

        with pytest.raises(TypeError, match="The `tool.hatch` configuration must be a table"):
            _ = metadata.hatch

    def test_build_metadata_not_table(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"build-system": "foo"})

        with pytest.raises(TypeError, match="The `build-system` configuration must be a table"):
            _ = metadata.build


class TestDynamic:
    def test_not_array(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"dynamic": 10}})

        with pytest.raises(TypeError, match="Field `project.dynamic` must be an array"):
            _ = metadata.core.dynamic

    def test_entry_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"dynamic": [10]}})

        with pytest.raises(TypeError, match="Field #1 of field `project.dynamic` must be a string"):
            _ = metadata.core.dynamic

    def test_correct(self, isolation):
        dynamic = ["version"]
        metadata = ProjectMetadata(str(isolation), None, {"project": {"dynamic": dynamic}})

        assert metadata.core.dynamic == ["version"]

    def test_cache_not_array(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"dynamic": 10}})

        with pytest.raises(TypeError, match="Field `project.dynamic` must be an array"):
            _ = metadata.dynamic

    def test_cache_entry_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"dynamic": [10]}})

        with pytest.raises(TypeError, match="Field #1 of field `project.dynamic` must be a string"):
            _ = metadata.dynamic

    def test_cache_correct(self, temp_dir, helpers):
        metadata = ProjectMetadata(
            str(temp_dir),
            PluginManager(),
            {
                "project": {"name": "foo", "dynamic": ["version", "description"]},
                "tool": {"hatch": {"version": {"path": "a/b"}, "metadata": {"hooks": {"custom": {}}}}},
            },
        )

        file_path = temp_dir / "a" / "b"
        file_path.ensure_parent_dir_exists()
        file_path.write_text('__version__ = "0.0.1"')

        file_path = temp_dir / DEFAULT_BUILD_SCRIPT
        file_path.write_text(
            helpers.dedent(
                """
                from hatchling.metadata.plugin.interface import MetadataHookInterface

                class CustomHook(MetadataHookInterface):
                    def update(self, metadata):
                        metadata['description'] = metadata['name'] + 'bar'
                """
            )
        )

        # Trigger hooks with `metadata.core` first
        assert metadata.core.dynamic == []
        assert metadata.dynamic == ["version", "description"]


class TestRawName:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"name": 9000, "dynamic": ["name"]}})

        with pytest.raises(
            ValueError, match="Static metadata field `name` cannot be present in field `project.dynamic`"
        ):
            _ = metadata.core.raw_name

    def test_missing(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {}})

        with pytest.raises(ValueError, match="Missing required field `project.name`"):
            _ = metadata.core.raw_name

    def test_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"name": 9000}})

        with pytest.raises(TypeError, match="Field `project.name` must be a string"):
            _ = metadata.core.raw_name

    def test_invalid(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"name": "my app"}})

        with pytest.raises(
            ValueError,
            match=(
                "Required field `project.name` must only contain ASCII letters/digits, underscores, "
                "hyphens, and periods, and must begin and end with ASCII letters/digits."
            ),
        ):
            _ = metadata.core.raw_name

    def test_correct(self, isolation):
        name = "My.App"
        metadata = ProjectMetadata(str(isolation), None, {"project": {"name": name}})

        assert metadata.core.raw_name is metadata.core.raw_name is name


class TestName:
    @pytest.mark.parametrize("name", ["My--App", "My__App", "My..App"])
    def test_normalization(self, isolation, name):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"name": name}})

        assert metadata.core.name == metadata.core.name == "my-app"


class TestVersion:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"version": 9000, "dynamic": ["version"]}})

        with pytest.raises(
            ValueError,
            match="Metadata field `version` cannot be both statically defined and listed in field `project.dynamic`",
        ):
            _ = metadata.core.version

    def test_static_missing(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {}})

        with pytest.raises(
            ValueError,
            match="Field `project.version` can only be resolved dynamically if `version` is in field `project.dynamic`",
        ):
            _ = metadata.version

    def test_static_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"version": 9000}})

        with pytest.raises(TypeError, match="Field `project.version` must be a string"):
            _ = metadata.version

    def test_static_invalid(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"version": "0..0"}})

        with pytest.raises(
            ValueError,
            match="Invalid version `0..0` from field `project.version`, see https://peps.python.org/pep-0440/",
        ):
            _ = metadata.version

    def test_static_normalization(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"version": "0.1.0.0-rc.1"}})

        assert metadata.version == metadata.version == "0.1.0.0rc1"
        assert metadata.core.version == metadata.core.version == "0.1.0.0-rc.1"

    def test_dynamic_missing(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"dynamic": ["version"]}, "tool": {"hatch": {}}})

        with pytest.raises(ValueError, match="Missing `tool.hatch.version` configuration"):
            _ = metadata.version

    def test_dynamic_not_table(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"dynamic": ["version"]}, "tool": {"hatch": {"version": "1.0"}}}
        )

        with pytest.raises(TypeError, match="Field `tool.hatch.version` must be a table"):
            _ = metadata.version

    def test_dynamic_source_empty(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"dynamic": ["version"]}, "tool": {"hatch": {"version": {"source": ""}}}}
        )

        with pytest.raises(
            ValueError, match="The `source` option under the `tool.hatch.version` table must not be empty if defined"
        ):
            _ = metadata.version.cached

    def test_dynamic_source_not_string(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"dynamic": ["version"]}, "tool": {"hatch": {"version": {"source": 42}}}}
        )

        with pytest.raises(TypeError, match="Field `tool.hatch.version.source` must be a string"):
            _ = metadata.version.cached

    def test_dynamic_unknown_source(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            PluginManager(),
            {"project": {"dynamic": ["version"]}, "tool": {"hatch": {"version": {"source": "foo"}}}},
        )

        with pytest.raises(ValueError, match="Unknown version source: foo"):
            _ = metadata.version.cached

    def test_dynamic_source_regex(self, temp_dir):
        metadata = ProjectMetadata(
            str(temp_dir),
            PluginManager(),
            {"project": {"dynamic": ["version"]}, "tool": {"hatch": {"version": {"source": "regex", "path": "a/b"}}}},
        )

        file_path = temp_dir / "a" / "b"
        file_path.ensure_parent_dir_exists()
        file_path.write_text('__version__ = "0.0.1"')

        assert metadata.hatch.version.source is metadata.hatch.version.source
        assert isinstance(metadata.hatch.version.source, RegexSource)
        assert metadata.hatch.version.cached == metadata.hatch.version.cached == "0.0.1"

    def test_dynamic_source_regex_invalid(self, temp_dir):
        metadata = ProjectMetadata(
            str(temp_dir),
            PluginManager(),
            {"project": {"dynamic": ["version"]}, "tool": {"hatch": {"version": {"source": "regex", "path": "a/b"}}}},
        )

        file_path = temp_dir / "a" / "b"
        file_path.ensure_parent_dir_exists()
        file_path.write_text('__version__ = "0..0"')

        with pytest.raises(
            ValueError, match="Invalid version `0..0` from source `regex`, see https://peps.python.org/pep-0440/"
        ):
            _ = metadata.version

    def test_dynamic_error(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            PluginManager(),
            {"project": {"dynamic": ["version"]}, "tool": {"hatch": {"version": {"source": "regex"}}}},
        )

        with pytest.raises(
            ValueError, match="Error getting the version from source `regex`: option `path` must be specified"
        ):
            _ = metadata.version.cached


class TestDescription:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"description": 9000, "dynamic": ["description"]}})

        with pytest.raises(
            ValueError,
            match=(
                "Metadata field `description` cannot be both statically defined and listed in field `project.dynamic`"
            ),
        ):
            _ = metadata.core.description

    def test_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"description": 9000}})

        with pytest.raises(TypeError, match="Field `project.description` must be a string"):
            _ = metadata.core.description

    def test_default(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {}})

        assert metadata.core.description == metadata.core.description == ""

    def test_custom(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"description": "foo"}})

        assert metadata.core.description == metadata.core.description == "foo"

    def test_normaliza(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"description": "\nfirst line.\r\nsecond line"}})

        assert metadata.core.description == metadata.core.description == " first line. second line"


class TestReadme:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"readme": 9000, "dynamic": ["readme"]}})

        with pytest.raises(
            ValueError,
            match="Metadata field `readme` cannot be both statically defined and listed in field `project.dynamic`",
        ):
            _ = metadata.core.readme

    @pytest.mark.parametrize("attribute", ["readme", "readme_content_type"])
    def test_unknown_type(self, isolation, attribute):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"readme": 9000}})

        with pytest.raises(TypeError, match="Field `project.readme` must be a string or a table"):
            _ = getattr(metadata.core, attribute)

    def test_default(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {}})

        assert metadata.core.readme == metadata.core.readme == ""
        assert metadata.core.readme_content_type == metadata.core.readme_content_type == "text/markdown"
        assert metadata.core.readme_path == metadata.core.readme_path == ""

    def test_string_path_unknown_content_type(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"readme": "foo"}})

        with pytest.raises(
            TypeError, match="Unable to determine the content-type based on the extension of readme file: foo"
        ):
            _ = metadata.core.readme

    def test_string_path_nonexistent(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"readme": "foo/bar.md"}})

        with pytest.raises(OSError, match="Readme file does not exist: foo/bar\\.md"):
            _ = metadata.core.readme

    @pytest.mark.parametrize(
        ("extension", "content_type"), [(".md", "text/markdown"), (".rst", "text/x-rst"), (".txt", "text/plain")]
    )
    def test_string_correct(self, extension, content_type, temp_dir):
        metadata = ProjectMetadata(str(temp_dir), None, {"project": {"readme": f"foo/bar{extension}"}})

        file_path = temp_dir / "foo" / f"bar{extension}"
        file_path.ensure_parent_dir_exists()
        file_path.write_text("test content")

        assert metadata.core.readme == metadata.core.readme == "test content"
        assert metadata.core.readme_content_type == metadata.core.readme_content_type == content_type
        assert metadata.core.readme_path == metadata.core.readme_path == f"foo/bar{extension}"

    def test_table_content_type_missing(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"readme": {}}})

        with pytest.raises(ValueError, match="Field `content-type` is required in the `project.readme` table"):
            _ = metadata.core.readme

    def test_table_content_type_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"readme": {"content-type": 5}}})

        with pytest.raises(TypeError, match="Field `content-type` in the `project.readme` table must be a string"):
            _ = metadata.core.readme

    def test_table_content_type_not_unknown(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"readme": {"content-type": "foo"}}})

        with pytest.raises(
            ValueError,
            match=(
                "Field `content-type` in the `project.readme` table must be one of the following: "
                "text/markdown, text/x-rst, text/plain"
            ),
        ):
            _ = metadata.core.readme

    def test_table_multiple_options(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"readme": {"content-type": "text/markdown", "file": "", "text": ""}}}
        )

        with pytest.raises(ValueError, match="Cannot specify both `file` and `text` in the `project.readme` table"):
            _ = metadata.core.readme

    def test_table_no_option(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"readme": {"content-type": "text/markdown"}}})

        with pytest.raises(ValueError, match="Must specify either `file` or `text` in the `project.readme` table"):
            _ = metadata.core.readme

    def test_table_file_not_string(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"readme": {"content-type": "text/markdown", "file": 4}}}
        )

        with pytest.raises(TypeError, match="Field `file` in the `project.readme` table must be a string"):
            _ = metadata.core.readme

    def test_table_file_nonexistent(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"readme": {"content-type": "text/markdown", "file": "foo/bar.md"}}}
        )

        with pytest.raises(OSError, match="Readme file does not exist: foo/bar\\.md"):
            _ = metadata.core.readme

    def test_table_file_correct(self, temp_dir):
        metadata = ProjectMetadata(
            str(temp_dir), None, {"project": {"readme": {"content-type": "text/markdown", "file": "foo/bar.markdown"}}}
        )

        file_path = temp_dir / "foo" / "bar.markdown"
        file_path.ensure_parent_dir_exists()
        file_path.write_text("test content")

        assert metadata.core.readme == metadata.core.readme == "test content"
        assert metadata.core.readme_content_type == metadata.core.readme_content_type == "text/markdown"
        assert metadata.core.readme_path == metadata.core.readme_path == "foo/bar.markdown"

    def test_table_text_not_string(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"readme": {"content-type": "text/markdown", "text": 4}}}
        )

        with pytest.raises(TypeError, match="Field `text` in the `project.readme` table must be a string"):
            _ = metadata.core.readme

    def test_table_text_correct(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"readme": {"content-type": "text/markdown", "text": "test content"}}}
        )

        assert metadata.core.readme == metadata.core.readme == "test content"
        assert metadata.core.readme_content_type == metadata.core.readme_content_type == "text/markdown"
        assert metadata.core.readme_path == metadata.core.readme_path == ""


class TestRequiresPython:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"requires-python": 9000, "dynamic": ["requires-python"]}}
        )

        with pytest.raises(
            ValueError,
            match=(
                "Metadata field `requires-python` cannot be both statically defined and "
                "listed in field `project.dynamic`"
            ),
        ):
            _ = metadata.core.requires_python

    @pytest.mark.parametrize("attribute", ["requires_python", "python_constraint"])
    def test_not_string(self, isolation, attribute):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"requires-python": 9000}})

        with pytest.raises(TypeError, match="Field `project.requires-python` must be a string"):
            _ = getattr(metadata.core, attribute)

    def test_invalid(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"requires-python": "^1"}})

        with pytest.raises(ValueError, match="Field `project.requires-python` is invalid: .+"):
            _ = metadata.core.requires_python

    def test_default(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {}})

        assert metadata.core.requires_python == metadata.core.requires_python == ""
        for major_version in map(str, range(10)):
            assert metadata.core.python_constraint.contains(major_version)

    def test_custom(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"requires-python": ">2"}})

        assert metadata.core.requires_python == metadata.core.requires_python == ">2"
        assert not metadata.core.python_constraint.contains("2")
        assert metadata.core.python_constraint.contains("3")


class TestLicense:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"license": 9000, "dynamic": ["license"]}})

        with pytest.raises(
            ValueError,
            match="Metadata field `license` cannot be both statically defined and listed in field `project.dynamic`",
        ):
            _ = metadata.core.license

    def test_invalid_type(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"license": 9000}})

        with pytest.raises(TypeError, match="Field `project.license` must be a string or a table"):
            _ = metadata.core.license

    def test_default(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {}})

        assert metadata.core.license == metadata.core.license == ""
        assert metadata.core.license_expression == metadata.core.license_expression == ""

    def test_normalization(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"license": "mit or apache-2.0"}})

        assert metadata.core.license_expression == "MIT OR Apache-2.0"

    def test_invalid_expression(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"license": "mit or foo"}})

        with pytest.raises(ValueError, match="Error parsing field `project.license` - Unknown license: 'foo'"):
            _ = metadata.core.license_expression

    def test_multiple_options(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"license": {"file": "", "text": ""}}})

        with pytest.raises(ValueError, match="Cannot specify both `file` and `text` in the `project.license` table"):
            _ = metadata.core.license

    def test_no_option(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"license": {}}})

        with pytest.raises(ValueError, match="Must specify either `file` or `text` in the `project.license` table"):
            _ = metadata.core.license

    def test_file_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"license": {"file": 4}}})

        with pytest.raises(TypeError, match="Field `file` in the `project.license` table must be a string"):
            _ = metadata.core.license

    def test_file_nonexistent(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"license": {"file": "foo/bar.md"}}})

        with pytest.raises(OSError, match="License file does not exist: foo/bar\\.md"):
            _ = metadata.core.license

    def test_file_correct(self, temp_dir):
        metadata = ProjectMetadata(str(temp_dir), None, {"project": {"license": {"file": "foo/bar.md"}}})

        file_path = temp_dir / "foo" / "bar.md"
        file_path.ensure_parent_dir_exists()
        file_path.write_text("test content")

        assert metadata.core.license == "test content"

    def test_text_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"license": {"text": 4}}})

        with pytest.raises(TypeError, match="Field `text` in the `project.license` table must be a string"):
            _ = metadata.core.license

    def test_text_correct(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"license": {"text": "test content"}}})

        assert metadata.core.license == "test content"


class TestLicenseFiles:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"license-files": 9000, "dynamic": ["license-files"]}}
        )

        with pytest.raises(
            ValueError,
            match=(
                "Metadata field `license-files` cannot be both statically defined and listed in field `project.dynamic`"
            ),
        ):
            _ = metadata.core.license_files

    def test_not_array(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"license-files": 9000}})

        with pytest.raises(TypeError, match="Field `project.license-files` must be an array"):
            _ = metadata.core.license_files

    def test_entry_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"license-files": [9000]}})

        with pytest.raises(TypeError, match="Entry #1 of field `project.license-files` must be a string"):
            _ = metadata.core.license_files

    def test_default_globs_no_licenses(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {}})

        assert metadata.core.license_files == metadata.core.license_files == []

    def test_default_globs_with_licenses(self, temp_dir):
        metadata = ProjectMetadata(str(temp_dir), None, {"project": {}})

        expected = []
        (temp_dir / "foo").touch()

        for name in ("LICENSE", "LICENCE", "COPYING", "NOTICE", "AUTHORS"):
            (temp_dir / name).touch()
            expected.append(name)

            name_with_extension = f"{name}.txt"
            (temp_dir / f"{name}.txt").touch()
            expected.append(name_with_extension)

        assert metadata.core.license_files == sorted(expected)

    def test_globs_with_licenses(self, temp_dir):
        metadata = ProjectMetadata(str(temp_dir), None, {"project": {"license-files": ["LICENSES/*"]}})

        licenses_dir = temp_dir / "LICENSES"
        licenses_dir.mkdir()
        (licenses_dir / "MIT.txt").touch()
        (licenses_dir / "Apache-2.0.txt").touch()

        for name in ("LICENSE", "LICENCE", "COPYING", "NOTICE", "AUTHORS"):
            (temp_dir / name).touch()

        assert metadata.core.license_files == ["LICENSES/Apache-2.0.txt", "LICENSES/MIT.txt"]

    def test_paths_with_licenses(self, temp_dir):
        metadata = ProjectMetadata(
            str(temp_dir),
            None,
            {"project": {"license-files": ["LICENSES/Apache-2.0.txt", "LICENSES/MIT.txt", "COPYING"]}},
        )

        licenses_dir = temp_dir / "LICENSES"
        licenses_dir.mkdir()
        (licenses_dir / "MIT.txt").touch()
        (licenses_dir / "Apache-2.0.txt").touch()

        for name in ("LICENSE", "LICENCE", "COPYING", "NOTICE", "AUTHORS"):
            (temp_dir / name).touch()

        assert metadata.core.license_files == ["COPYING", "LICENSES/Apache-2.0.txt", "LICENSES/MIT.txt"]


class TestAuthors:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"authors": 9000, "dynamic": ["authors"]}})

        with pytest.raises(
            ValueError,
            match="Metadata field `authors` cannot be both statically defined and listed in field `project.dynamic`",
        ):
            _ = metadata.core.authors

    def test_not_array(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"authors": "foo"}})

        with pytest.raises(TypeError, match="Field `project.authors` must be an array"):
            _ = metadata.core.authors

    def test_default(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {}})

        assert metadata.core.authors == metadata.core.authors == []

    def test_not_table(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"authors": ["foo"]}})

        with pytest.raises(TypeError, match="Author #1 of field `project.authors` must be an inline table"):
            _ = metadata.core.authors

    def test_no_data(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"authors": [{}]}})

        with pytest.raises(
            ValueError, match="Author #1 of field `project.authors` must specify either `name` or `email`"
        ):
            _ = metadata.core.authors

    def test_name_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"authors": [{"name": 9}]}})

        with pytest.raises(TypeError, match="Name of author #1 of field `project.authors` must be a string"):
            _ = metadata.core.authors

    def test_name_only(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"authors": [{"name": "foo"}]}})

        assert len(metadata.core.authors) == 1
        assert metadata.core.authors[0] == {"name": "foo"}
        assert metadata.core.authors_data == metadata.core.authors_data == {"name": ["foo"], "email": []}

    def test_email_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"authors": [{"email": 9}]}})

        with pytest.raises(TypeError, match="Email of author #1 of field `project.authors` must be a string"):
            _ = metadata.core.authors

    def test_email_only(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"authors": [{"email": "foo@bar.baz"}]}})

        assert len(metadata.core.authors) == 1
        assert metadata.core.authors[0] == {"email": "foo@bar.baz"}
        assert metadata.core.authors_data == {"name": [], "email": ["foo@bar.baz"]}

    def test_name_and_email(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {
                "project": {
                    "authors": [{"name": "foo2", "email": "foo2@bar.baz"}, {"name": "foo1", "email": "foo1@bar.baz"}]
                }
            },
        )

        assert len(metadata.core.authors) == 2
        assert metadata.core.authors[0] == {"name": "foo2", "email": "foo2@bar.baz"}
        assert metadata.core.authors[1] == {"name": "foo1", "email": "foo1@bar.baz"}
        assert metadata.core.authors_data == {"name": [], "email": ["foo2 <foo2@bar.baz>", "foo1 <foo1@bar.baz>"]}


class TestMaintainers:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"maintainers": 9000, "dynamic": ["maintainers"]}})

        with pytest.raises(
            ValueError,
            match=(
                "Metadata field `maintainers` cannot be both statically defined and listed in field `project.dynamic`"
            ),
        ):
            _ = metadata.core.maintainers

    def test_not_array(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"maintainers": "foo"}})

        with pytest.raises(TypeError, match="Field `project.maintainers` must be an array"):
            _ = metadata.core.maintainers

    def test_default(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {}})

        assert metadata.core.maintainers == metadata.core.maintainers == []

    def test_not_table(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"maintainers": ["foo"]}})

        with pytest.raises(TypeError, match="Maintainer #1 of field `project.maintainers` must be an inline table"):
            _ = metadata.core.maintainers

    def test_no_data(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"maintainers": [{}]}})

        with pytest.raises(
            ValueError, match="Maintainer #1 of field `project.maintainers` must specify either `name` or `email`"
        ):
            _ = metadata.core.maintainers

    def test_name_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"maintainers": [{"name": 9}]}})

        with pytest.raises(TypeError, match="Name of maintainer #1 of field `project.maintainers` must be a string"):
            _ = metadata.core.maintainers

    def test_name_only(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"maintainers": [{"name": "foo"}]}})

        assert len(metadata.core.maintainers) == 1
        assert metadata.core.maintainers[0] == {"name": "foo"}
        assert metadata.core.maintainers_data == metadata.core.maintainers_data == {"name": ["foo"], "email": []}

    def test_email_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"maintainers": [{"email": 9}]}})

        with pytest.raises(TypeError, match="Email of maintainer #1 of field `project.maintainers` must be a string"):
            _ = metadata.core.maintainers

    def test_email_only(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"maintainers": [{"email": "foo@bar.baz"}]}})

        assert len(metadata.core.maintainers) == 1
        assert metadata.core.maintainers[0] == {"email": "foo@bar.baz"}
        assert metadata.core.maintainers_data == {"name": [], "email": ["foo@bar.baz"]}

    def test_name_and_email(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {
                "project": {
                    "maintainers": [
                        {"name": "foo2", "email": "foo2@bar.baz"},
                        {"name": "foo1", "email": "foo1@bar.baz"},
                    ]
                }
            },
        )

        assert len(metadata.core.maintainers) == 2
        assert metadata.core.maintainers[0] == {"name": "foo2", "email": "foo2@bar.baz"}
        assert metadata.core.maintainers[1] == {"name": "foo1", "email": "foo1@bar.baz"}
        assert metadata.core.maintainers_data == {"name": [], "email": ["foo2 <foo2@bar.baz>", "foo1 <foo1@bar.baz>"]}


class TestKeywords:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"keywords": 9000, "dynamic": ["keywords"]}})

        with pytest.raises(
            ValueError,
            match="Metadata field `keywords` cannot be both statically defined and listed in field `project.dynamic`",
        ):
            _ = metadata.core.keywords

    def test_not_array(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"keywords": 10}})

        with pytest.raises(TypeError, match="Field `project.keywords` must be an array"):
            _ = metadata.core.keywords

    def test_entry_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"keywords": [10]}})

        with pytest.raises(TypeError, match="Keyword #1 of field `project.keywords` must be a string"):
            _ = metadata.core.keywords

    def test_correct(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"keywords": ["foo", "foo", "bar"]}})

        assert metadata.core.keywords == metadata.core.keywords == ["bar", "foo"]


class TestClassifiers:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"classifiers": 9000, "dynamic": ["classifiers"]}})

        with pytest.raises(
            ValueError,
            match=(
                "Metadata field `classifiers` cannot be both statically defined and listed in field `project.dynamic`"
            ),
        ):
            _ = metadata.core.classifiers

    def test_not_array(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"classifiers": 10}})

        with pytest.raises(TypeError, match="Field `project.classifiers` must be an array"):
            _ = metadata.core.classifiers

    def test_entry_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"classifiers": [10]}})

        with pytest.raises(TypeError, match="Classifier #1 of field `project.classifiers` must be a string"):
            _ = metadata.core.classifiers

    def test_entry_unknown(self, isolation, monkeypatch):
        monkeypatch.delenv("HATCH_METADATA_CLASSIFIERS_NO_VERIFY", False)
        metadata = ProjectMetadata(str(isolation), None, {"project": {"classifiers": ["foo"]}})

        with pytest.raises(ValueError, match="Unknown classifier in field `project.classifiers`: foo"):
            _ = metadata.core.classifiers

    def test_entry_unknown_no_verify(self, isolation, monkeypatch):
        monkeypatch.setenv("HATCH_METADATA_CLASSIFIERS_NO_VERIFY", "1")
        classifiers = [
            "Programming Language :: Python :: 3.11",
            "Programming Language :: Python :: 3.11",
            "Programming Language :: Python :: 3.9",
            "Development Status :: 4 - Beta",
            "Private :: Do Not Upload",
            "Foo",
        ]
        metadata = ProjectMetadata(str(isolation), None, {"project": {"classifiers": classifiers}})

        assert (
            metadata.core.classifiers
            == metadata.core.classifiers
            == [
                "Private :: Do Not Upload",
                "Development Status :: 4 - Beta",
                "Foo",
                "Programming Language :: Python :: 3.9",
                "Programming Language :: Python :: 3.11",
            ]
        )

    def test_correct(self, isolation):
        classifiers = [
            "Programming Language :: Python :: 3.11",
            "Programming Language :: Python :: 3.11",
            "Programming Language :: Python :: 3.9",
            "Development Status :: 4 - Beta",
            "Private :: Do Not Upload",
        ]
        metadata = ProjectMetadata(str(isolation), None, {"project": {"classifiers": classifiers}})

        assert (
            metadata.core.classifiers
            == metadata.core.classifiers
            == [
                "Private :: Do Not Upload",
                "Development Status :: 4 - Beta",
                "Programming Language :: Python :: 3.9",
                "Programming Language :: Python :: 3.11",
            ]
        )


class TestURLs:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"urls": 9000, "dynamic": ["urls"]}})

        with pytest.raises(
            ValueError,
            match="Metadata field `urls` cannot be both statically defined and listed in field `project.dynamic`",
        ):
            _ = metadata.core.urls

    def test_not_table(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"urls": 10}})

        with pytest.raises(TypeError, match="Field `project.urls` must be a table"):
            _ = metadata.core.urls

    def test_entry_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"urls": {"foo": 7}}})

        with pytest.raises(TypeError, match="URL `foo` of field `project.urls` must be a string"):
            _ = metadata.core.urls

    def test_correct(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"urls": {"foo": "bar", "bar": "baz"}}})

        assert metadata.core.urls == metadata.core.urls == {"bar": "baz", "foo": "bar"}


class TestScripts:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"scripts": 9000, "dynamic": ["scripts"]}})

        with pytest.raises(
            ValueError,
            match="Metadata field `scripts` cannot be both statically defined and listed in field `project.dynamic`",
        ):
            _ = metadata.core.scripts

    def test_not_table(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"scripts": 10}})

        with pytest.raises(TypeError, match="Field `project.scripts` must be a table"):
            _ = metadata.core.scripts

    def test_entry_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"scripts": {"foo": 7}}})

        with pytest.raises(TypeError, match="Object reference `foo` of field `project.scripts` must be a string"):
            _ = metadata.core.scripts

    def test_correct(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"scripts": {"foo": "bar", "bar": "baz"}}})

        assert metadata.core.scripts == metadata.core.scripts == {"bar": "baz", "foo": "bar"}


class TestGUIScripts:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"gui-scripts": 9000, "dynamic": ["gui-scripts"]}})

        with pytest.raises(
            ValueError,
            match=(
                "Metadata field `gui-scripts` cannot be both statically defined and listed in field `project.dynamic`"
            ),
        ):
            _ = metadata.core.gui_scripts

    def test_not_table(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"gui-scripts": 10}})

        with pytest.raises(TypeError, match="Field `project.gui-scripts` must be a table"):
            _ = metadata.core.gui_scripts

    def test_entry_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"gui-scripts": {"foo": 7}}})

        with pytest.raises(TypeError, match="Object reference `foo` of field `project.gui-scripts` must be a string"):
            _ = metadata.core.gui_scripts

    def test_correct(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"gui-scripts": {"foo": "bar", "bar": "baz"}}})

        assert metadata.core.gui_scripts == metadata.core.gui_scripts == {"bar": "baz", "foo": "bar"}


class TestEntryPoints:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"entry-points": 9000, "dynamic": ["entry-points"]}}
        )

        with pytest.raises(
            ValueError,
            match=(
                "Metadata field `entry-points` cannot be both statically defined and listed in field `project.dynamic`"
            ),
        ):
            _ = metadata.core.entry_points

    def test_not_table(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"entry-points": 10}})

        with pytest.raises(TypeError, match="Field `project.entry-points` must be a table"):
            _ = metadata.core.entry_points

    @pytest.mark.parametrize(("field", "expected"), [("console_scripts", "scripts"), ("gui-scripts", "gui-scripts")])
    def test_forbidden_fields(self, isolation, field, expected):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"entry-points": {field: "foo"}}})

        with pytest.raises(
            ValueError,
            match=(
                f"Field `{field}` must be defined as `project.{expected}` instead of "
                f"in the `project.entry-points` table"
            ),
        ):
            _ = metadata.core.entry_points

    def test_data_not_table(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"entry-points": {"foo": 7}}})

        with pytest.raises(TypeError, match="Field `project.entry-points.foo` must be a table"):
            _ = metadata.core.entry_points

    def test_data_entry_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"entry-points": {"foo": {"bar": 4}}}})

        with pytest.raises(
            TypeError, match="Object reference `bar` of field `project.entry-points.foo` must be a string"
        ):
            _ = metadata.core.entry_points

    def test_data_empty(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"entry-points": {"foo": {}}}})

        assert metadata.core.entry_points == metadata.core.entry_points == {}

    def test_default(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {}})

        assert metadata.core.entry_points == metadata.core.entry_points == {}

    def test_correct(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {"project": {"entry-points": {"foo": {"bar": "baz", "foo": "baz"}, "bar": {"foo": "baz", "bar": "baz"}}}},
        )

        assert (
            metadata.core.entry_points
            == metadata.core.entry_points
            == {"bar": {"bar": "baz", "foo": "baz"}, "foo": {"bar": "baz", "foo": "baz"}}
        )


class TestDependencies:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"dependencies": 9000, "dynamic": ["dependencies"]}}
        )

        with pytest.raises(
            ValueError,
            match=(
                "Metadata field `dependencies` cannot be both statically defined and listed in field `project.dynamic`"
            ),
        ):
            _ = metadata.core.dependencies

    def test_not_array(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"dependencies": 10}})

        with pytest.raises(TypeError, match="Field `project.dependencies` must be an array"):
            _ = metadata.core.dependencies

    def test_entry_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"dependencies": [10]}})

        with pytest.raises(TypeError, match="Dependency #1 of field `project.dependencies` must be a string"):
            _ = metadata.core.dependencies

    def test_invalid(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"dependencies": ["foo^1"]}})

        with pytest.raises(ValueError, match="Dependency #1 of field `project.dependencies` is invalid: .+"):
            _ = metadata.core.dependencies

    def test_direct_reference(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"dependencies": ["proj @ git+https://github.com/org/proj.git@v1"]}}
        )

        with pytest.raises(
            ValueError,
            match=(
                "Dependency #1 of field `project.dependencies` cannot be a direct reference unless "
                "field `tool.hatch.metadata.allow-direct-references` is set to `true`"
            ),
        ):
            _ = metadata.core.dependencies

    def test_direct_reference_allowed(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {
                "project": {"dependencies": ["proj @ git+https://github.com/org/proj.git@v1"]},
                "tool": {"hatch": {"metadata": {"allow-direct-references": True}}},
            },
        )

        assert metadata.core.dependencies == ["proj@ git+https://github.com/org/proj.git@v1"]

    def test_context_formatting(self, isolation, uri_slash_prefix):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {
                "project": {"dependencies": ["proj @ {root:uri}"]},
                "tool": {"hatch": {"metadata": {"allow-direct-references": True}}},
            },
        )

        normalized_path = str(isolation).replace("\\", "/")
        assert metadata.core.dependencies == [f"proj@ file:{uri_slash_prefix}{normalized_path}"]

    def test_correct(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {
                "project": {
                    "dependencies": [
                        'python___dateutil;platform_python_implementation=="CPython"',
                        "bAr.Baz[TLS, Zu.Bat, EdDSA, Zu_Bat]   >=1.2RC5 , <9000B1",
                        'Foo;python_version<"3.8"',
                        'fOO;     python_version<    "3.8"',
                    ],
                },
            },
        )

        assert (
            metadata.core.dependencies
            == metadata.core.dependencies
            == [
                "bar-baz[eddsa,tls,zu-bat]<9000b1,>=1.2rc5",
                "foo; python_version < '3.8'",
                "python-dateutil; platform_python_implementation == 'CPython'",
            ]
        )
        assert metadata.core.dependencies_complex is metadata.core.dependencies_complex


class TestOptionalDependencies:
    def test_dynamic(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"optional-dependencies": 9000, "dynamic": ["optional-dependencies"]}}
        )

        with pytest.raises(
            ValueError,
            match=(
                "Metadata field `optional-dependencies` cannot be both statically defined and "
                "listed in field `project.dynamic`"
            ),
        ):
            _ = metadata.core.optional_dependencies

    def test_not_table(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"optional-dependencies": 10}})

        with pytest.raises(TypeError, match="Field `project.optional-dependencies` must be a table"):
            _ = metadata.core.optional_dependencies

    def test_invalid_name(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"optional-dependencies": {"foo/bar": []}}})

        with pytest.raises(
            ValueError,
            match=(
                "Optional dependency group `foo/bar` of field `project.optional-dependencies` must only contain "
                "ASCII letters/digits, underscores, hyphens, and periods, and must begin and end with "
                "ASCII letters/digits."
            ),
        ):
            _ = metadata.core.optional_dependencies

    def test_definitions_not_array(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"optional-dependencies": {"foo": 5}}})

        with pytest.raises(
            TypeError, match="Dependencies for option `foo` of field `project.optional-dependencies` must be an array"
        ):
            _ = metadata.core.optional_dependencies

    def test_entry_not_string(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"optional-dependencies": {"foo": [5]}}})

        with pytest.raises(
            TypeError, match="Dependency #1 of option `foo` of field `project.optional-dependencies` must be a string"
        ):
            _ = metadata.core.optional_dependencies

    def test_invalid(self, isolation):
        metadata = ProjectMetadata(str(isolation), None, {"project": {"optional-dependencies": {"foo": ["bar^1"]}}})

        with pytest.raises(
            ValueError, match="Dependency #1 of option `foo` of field `project.optional-dependencies` is invalid: .+"
        ):
            _ = metadata.core.optional_dependencies

    def test_conflict(self, isolation):
        metadata = ProjectMetadata(
            str(isolation), None, {"project": {"optional-dependencies": {"foo_bar": [], "foo.bar": []}}}
        )

        with pytest.raises(
            ValueError,
            match=(
                "Optional dependency groups `foo_bar` and `foo.bar` of field `project.optional-dependencies` both "
                "evaluate to `foo-bar`."
            ),
        ):
            _ = metadata.core.optional_dependencies

    def test_recursive_circular(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {"project": {"name": "my-app", "optional-dependencies": {"foo": ["my-app[bar]"], "bar": ["my-app[foo]"]}}},
        )

        with pytest.raises(
            ValueError,
            match="Field `project.optional-dependencies` defines a circular dependency group: foo",
        ):
            _ = metadata.core.optional_dependencies

    def test_recursive_unknown(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {"project": {"name": "my-app", "optional-dependencies": {"foo": ["my-app[bar]"]}}},
        )

        with pytest.raises(
            ValueError,
            match="Unknown recursive dependency group in field `project.optional-dependencies`: bar",
        ):
            _ = metadata.core.optional_dependencies

    def test_allow_ambiguity(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {
                "project": {"optional-dependencies": {"foo_bar": [], "foo.bar": []}},
                "tool": {"hatch": {"metadata": {"allow-ambiguous-features": True}}},
            },
        )

        assert metadata.core.optional_dependencies == {"foo_bar": [], "foo.bar": []}

    def test_direct_reference(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {"project": {"optional-dependencies": {"foo": ["proj @ git+https://github.com/org/proj.git@v1"]}}},
        )

        with pytest.raises(
            ValueError,
            match=(
                "Dependency #1 of option `foo` of field `project.optional-dependencies` cannot be a direct reference "
                "unless field `tool.hatch.metadata.allow-direct-references` is set to `true`"
            ),
        ):
            _ = metadata.core.optional_dependencies

    def test_context_formatting(self, isolation, uri_slash_prefix):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {
                "project": {"name": "my-app", "optional-dependencies": {"foo": ["proj @ {root:uri}"]}},
                "tool": {"hatch": {"metadata": {"allow-direct-references": True}}},
            },
        )

        normalized_path = str(isolation).replace("\\", "/")
        assert metadata.core.optional_dependencies == {"foo": [f"proj@ file:{uri_slash_prefix}{normalized_path}"]}

    def test_direct_reference_allowed(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {
                "project": {
                    "name": "my-app",
                    "optional-dependencies": {"foo": ["proj @ git+https://github.com/org/proj.git@v1"]},
                },
                "tool": {"hatch": {"metadata": {"allow-direct-references": True}}},
            },
        )

        assert metadata.core.optional_dependencies == {"foo": ["proj@ git+https://github.com/org/proj.git@v1"]}

    def test_correct(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            None,
            {
                "project": {
                    "name": "my-app",
                    "optional-dependencies": {
                        "foo": [
                            'python___dateutil;platform_python_implementation=="CPython"',
                            "bAr.Baz[TLS, Zu.Bat, EdDSA, Zu_Bat]   >=1.2RC5 , <9000B1",
                            'Foo;python_version<"3.8"',
                            'fOO;     python_version<    "3.8"',
                            "MY-APP[zZz]",
                        ],
                        "bar": ["foo", "bar", "Baz"],
                        "baz": ["my___app[XYZ]"],
                        "xyz": ["my...app[Bar]"],
                        "zzz": ["aaa"],
                    },
                },
            },
        )

        assert (
            metadata.core.optional_dependencies
            == metadata.core.optional_dependencies
            == {
                "bar": ["bar", "baz", "foo"],
                "baz": ["bar", "baz", "foo"],
                "foo": [
                    "aaa",
                    "bar-baz[eddsa,tls,zu-bat]<9000b1,>=1.2rc5",
                    "foo; python_version < '3.8'",
                    "python-dateutil; platform_python_implementation == 'CPython'",
                ],
                "xyz": ["bar", "baz", "foo"],
                "zzz": ["aaa"],
            }
        )


class TestHook:
    def test_unknown(self, isolation):
        metadata = ProjectMetadata(
            str(isolation),
            PluginManager(),
            {"project": {"name": "foo"}, "tool": {"hatch": {"metadata": {"hooks": {"foo": {}}}}}},
        )

        with pytest.raises(ValueError, match="Unknown metadata hook: foo"):
            _ = metadata.core

    def test_custom(self, temp_dir, helpers):
        classifiers = [
            "Programming Language :: Python :: 3.11",
            "Programming Language :: Python :: 3.11",
            "Programming Language :: Python :: 3.9",
            "Framework :: Foo",
            "Development Status :: 4 - Beta",
            "Private :: Do Not Upload",
        ]
        metadata = ProjectMetadata(
            str(temp_dir),
            PluginManager(),
            {
                "project": {"name": "foo", "classifiers": classifiers, "dynamic": ["version", "description"]},
                "tool": {"hatch": {"version": {"path": "a/b"}, "metadata": {"hooks": {"custom": {}}}}},
            },
        )

        file_path = temp_dir / "a" / "b"
        file_path.ensure_parent_dir_exists()
        file_path.write_text('__version__ = "0.0.1"')

        file_path = temp_dir / DEFAULT_BUILD_SCRIPT
        file_path.write_text(
            helpers.dedent(
                """
                from hatchling.metadata.plugin.interface import MetadataHookInterface

                class CustomHook(MetadataHookInterface):
                    def update(self, metadata):
                        metadata['description'] = metadata['name'] + 'bar'
                        metadata['version'] = metadata['version'] + 'rc0'

                    def get_known_classifiers(self):
                        return ['Framework :: Foo']
                """
            )
        )

        assert "custom" in metadata.hatch.metadata.hooks
        assert metadata.core.name == "foo"
        assert metadata.core.description == "foobar"
        assert metadata.core.version == "0.0.1rc0"
        assert metadata.core.classifiers == [
            "Private :: Do Not Upload",
            "Development Status :: 4 - Beta",
            "Framework :: Foo",
            "Programming Language :: Python :: 3.9",
            "Programming Language :: Python :: 3.11",
        ]

    def test_custom_missing_dynamic(self, temp_dir, helpers):
        metadata = ProjectMetadata(
            str(temp_dir),
            PluginManager(),
            {
                "project": {"name": "foo", "dynamic": ["version"]},
                "tool": {"hatch": {"version": {"path": "a/b"}, "metadata": {"hooks": {"custom": {}}}}},
            },
        )

        file_path = temp_dir / "a" / "b"
        file_path.ensure_parent_dir_exists()
        file_path.write_text('__version__ = "0.0.1"')

        file_path = temp_dir / DEFAULT_BUILD_SCRIPT
        file_path.write_text(
            helpers.dedent(
                """
                from hatchling.metadata.plugin.interface import MetadataHookInterface

                class CustomHook(MetadataHookInterface):
                    def update(self, metadata):
                        metadata['description'] = metadata['name'] + 'bar'
                """
            )
        )

        with pytest.raises(
            ValueError,
            match="The field `description` was set dynamically and therefore must be listed in `project.dynamic`",
        ):
            _ = metadata.core


class TestHatchPersonalProjectConfigFile:
    def test_correct(self, temp_dir, helpers):
        metadata = ProjectMetadata(
            str(temp_dir),
            PluginManager(),
            {
                "project": {"name": "foo", "dynamic": ["version"]},
                "tool": {"hatch": {"build": {"reproducible": False}}},
            },
        )

        file_path = temp_dir / "a" / "b"
        file_path.ensure_parent_dir_exists()
        file_path.write_text('__version__ = "0.0.1"')

        (temp_dir / "pyproject.toml").touch()
        file_path = temp_dir / "hatch.toml"
        file_path.write_text(
            helpers.dedent(
                """
                [version]
                path = 'a/b'
                """
            )
        )

        assert metadata.version == "0.0.1"
        assert metadata.hatch.build_config["reproducible"] is False

    def test_precedence(self, temp_dir, helpers):
        metadata = ProjectMetadata(
            str(temp_dir),
            PluginManager(),
            {
                "project": {"name": "foo", "dynamic": ["version"]},
                "tool": {"hatch": {"version": {"path": "a/b"}, "build": {"reproducible": False}}},
            },
        )

        file_path = temp_dir / "a" / "b"
        file_path.ensure_parent_dir_exists()
        file_path.write_text('__version__ = "0.0.1"')

        file_path = temp_dir / "c" / "d"
        file_path.ensure_parent_dir_exists()
        file_path.write_text('__version__ = "0.0.2"')

        (temp_dir / "pyproject.toml").touch()
        file_path = temp_dir / "hatch.toml"
        file_path.write_text(
            helpers.dedent(
                """
                [version]
                path = 'c/d'
                """
            )
        )

        assert metadata.version == "0.0.2"
        assert metadata.hatch.build_config["reproducible"] is False


class TestMetadataConversion:
    def test_required_only(self, isolation, latest_spec):
        raw_metadata = {"name": "My.App", "version": "0.0.1"}
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_dynamic(self, isolation, latest_spec):
        raw_metadata = {"name": "My.App", "version": "0.0.1", "dynamic": ["authors", "classifiers"]}
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_description(self, isolation, latest_spec):
        raw_metadata = {"name": "My.App", "version": "0.0.1", "description": "foo bar"}
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_urls(self, isolation, latest_spec):
        raw_metadata = {"name": "My.App", "version": "0.0.1", "urls": {"foo": "bar", "bar": "baz"}}
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_authors(self, isolation, latest_spec):
        raw_metadata = {
            "name": "My.App",
            "version": "0.0.1",
            "authors": [{"name": "foobar"}, {"email": "bar@domain", "name": "foo"}, {"email": "baz@domain"}],
        }
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_maintainers(self, isolation, latest_spec):
        raw_metadata = {
            "name": "My.App",
            "version": "0.0.1",
            "maintainers": [{"name": "foobar"}, {"email": "bar@domain", "name": "foo"}, {"email": "baz@domain"}],
        }
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_keywords(self, isolation, latest_spec):
        raw_metadata = {"name": "My.App", "version": "0.0.1", "keywords": ["bar", "foo"]}
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_classifiers(self, isolation, latest_spec):
        raw_metadata = {
            "name": "My.App",
            "version": "0.0.1",
            "classifiers": ["Programming Language :: Python :: 3.9", "Programming Language :: Python :: 3.11"],
        }
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_license_files(self, temp_dir, latest_spec):
        raw_metadata = {
            "name": "My.App",
            "version": "0.0.1",
            "license-files": ["LICENSES/Apache-2.0.txt", "LICENSES/MIT.txt"],
        }
        metadata = ProjectMetadata(str(temp_dir), None, {"project": raw_metadata})

        licenses_path = temp_dir / "LICENSES"
        licenses_path.mkdir()
        licenses_path.joinpath("Apache-2.0.txt").touch()
        licenses_path.joinpath("MIT.txt").touch()

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_license_expression(self, isolation, latest_spec):
        raw_metadata = {"name": "My.App", "version": "0.0.1", "license": "MIT"}
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_license_legacy(self, isolation, latest_spec):
        raw_metadata = {"name": "My.App", "version": "0.0.1", "license": {"text": "foo"}}
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_readme(self, isolation, latest_spec):
        raw_metadata = {
            "name": "My.App",
            "version": "0.0.1",
            "readme": {"content-type": "text/markdown", "text": "test content\n"},
        }
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_requires_python(self, isolation, latest_spec):
        raw_metadata = {"name": "My.App", "version": "0.0.1", "requires-python": "<2,>=1"}
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata

    def test_dependencies(self, isolation, latest_spec):
        raw_metadata = {
            "name": "My.App",
            "version": "0.0.1",
            "dependencies": ["bar==5", "foo==1"],
            "optional-dependencies": {
                "feature1": ['bar==5; python_version < "3"', "foo==1"],
                "feature2": ["bar==5", 'foo==1; python_version < "3"'],
            },
        }
        metadata = ProjectMetadata(str(isolation), None, {"project": raw_metadata})

        core_metadata = latest_spec(metadata)
        assert project_metadata_from_core_metadata(core_metadata) == raw_metadata


class TestSourceDistributionMetadata:
    def test_basic_persistence(self, temp_dir, helpers):
        metadata = ProjectMetadata(
            str(temp_dir),
            None,
            {
                "project": {
                    "name": "My.App",
                    "dynamic": ["version", "keywords"],
                    "dependencies": ["foo==1"],
                    "scripts": {"foo": "bar"},
                },
            },
        )

        pkg_info = temp_dir / "PKG-INFO"
        pkg_info.write_text(
            helpers.dedent(
                f"""
                Metadata-Version: {LATEST_METADATA_VERSION}
                Name: My.App
                Version: 0.0.1
                Keywords: foo,bar
                Requires-Dist: bar==5
                """
            )
        )
        with temp_dir.as_cwd():
            assert metadata.core.config == {
                "name": "My.App",
                "version": "0.0.1",
                "dependencies": ["foo==1"],
                "keywords": ["foo", "bar"],
                "scripts": {"foo": "bar"},
                "dynamic": [],
            }

    def test_metadata_hooks(self, temp_dir, helpers):
        metadata = ProjectMetadata(
            str(temp_dir),
            PluginManager(),
            {
                "project": {
                    "name": "My.App",
                    "dynamic": ["version", "keywords", "description", "scripts"],
                    "dependencies": ["foo==1"],
                },
                "tool": {"hatch": {"metadata": {"hooks": {"custom": {}}}}},
            },
        )

        build_script = temp_dir / DEFAULT_BUILD_SCRIPT
        build_script.write_text(
            helpers.dedent(
                """
                from hatchling.metadata.plugin.interface import MetadataHookInterface

                class CustomHook(MetadataHookInterface):
                    def update(self, metadata):
                        metadata['description'] = metadata['name'] + ' bar'
                        metadata['scripts'] = {'foo': 'bar'}
                """
            )
        )

        pkg_info = temp_dir / "PKG-INFO"
        pkg_info.write_text(
            helpers.dedent(
                f"""
                Metadata-Version: {LATEST_METADATA_VERSION}
                Name: My.App
                Version: 0.0.1
                Summary: My.App bar
                Keywords: foo,bar
                Requires-Dist: bar==5
                """
            )
        )
        with temp_dir.as_cwd():
            assert metadata.core.config == {
                "name": "My.App",
                "version": "0.0.1",
                "description": "My.App bar",
                "dependencies": ["foo==1"],
                "keywords": ["foo", "bar"],
                "scripts": {"foo": "bar"},
                "dynamic": ["scripts"],
            }
