//                           _       _
// __      _____  __ ___   ___  __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
//  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
//   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
//  Copyright © 2016 - 2026 Weaviate B.V. All rights reserved.
//
//  CONTACT: hello@weaviate.io
//

package config

import (
	"fmt"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestConfig_Authentication(t *testing.T) {
	t.Run("no auth selected", func(t *testing.T) {
		auth := Authentication{}
		expected := fmt.Errorf("no authentication scheme configured, you must select at least one")

		err := auth.Validate()

		assert.Equal(t, expected, err)
	})

	t.Run("only anonymous selected", func(t *testing.T) {
		auth := Authentication{
			AnonymousAccess: AnonymousAccess{
				Enabled: true,
			},
		}

		err := auth.Validate()

		assert.Nil(t, err, "should not error")
	})

	t.Run("only oidc selected", func(t *testing.T) {
		auth := Authentication{
			OIDC: OIDC{
				Enabled: true,
			},
		}

		err := auth.Validate()

		assert.Nil(t, err, "should not error")
	})

	t.Run("oidc and anonymous enabled together", func(t *testing.T) {
		// this might seem counter-intuitive at first, but this makes a lot of
		// sense when you consider the authorization strategies: for example we
		// could allow reads for everyone, but only explicitly authenticated users
		// may write
		auth := Authentication{
			OIDC: OIDC{
				Enabled: true,
			},
			AnonymousAccess: AnonymousAccess{
				Enabled: true,
			},
		}

		err := auth.Validate()

		assert.Nil(t, err, "should not error")
	})
}

func TestDbUserAuth(t *testing.T) {
	tests := []struct {
		name          string
		staticEnabled bool
		dbEnabled     bool
		expected      bool
	}{
		{"none enabled", false, false, false},
		{"both enabled", true, true, true},
		{"only static", true, false, true},
		{"only db", false, true, true},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			auth := Authentication{
				APIKey: StaticAPIKey{Enabled: test.staticEnabled}, DBUsers: DbUsers{Enabled: test.dbEnabled},
			}

			require.Equal(t, auth.AnyApiKeyAvailable(), test.expected)
		})
	}
}
