// ==========================================================================
//  Squidex Headless CMS
// ==========================================================================
//  Copyright (c) Squidex UG (haftungsbeschraenkt)
//  All rights reserved. Licensed under the MIT license.
// ==========================================================================

using Squidex.Domain.Apps.Core.Schemas;
using Squidex.Domain.Apps.Entities.Contents.Queries.Steps;
using Squidex.Domain.Apps.Entities.TestHelpers;
using Squidex.Infrastructure.Caching;

namespace Squidex.Domain.Apps.Entities.Contents.Queries;

public class EnrichForCachingTests : GivenContext
{
    private readonly IRequestCache requestCache = A.Fake<IRequestCache>();
    private readonly EnrichForCaching sut;

    public EnrichForCachingTests()
    {
        sut = new EnrichForCaching(requestCache);
    }

    [Fact]
    public async Task Should_add_cache_headers()
    {
        var headers = new List<string>();

        A.CallTo(() => requestCache.AddHeader(A<string>._))
            .Invokes(new Action<string>(header => headers.Add(header)));

        await sut.EnrichAsync(ApiContext, CancellationToken);

        Assert.Equal(
        [
            "X-Fields",
            "X-Flatten",
            "X-Languages",
            "X-NoCleanup",
            "X-NoEnrichment",
            "X-NoDefaults",
            "X-NoResolveLanguages",
            "X-ResolveFlow",
            "X-ResolveUrls",
            "X-Unpublished",
        ], headers);
    }

    [Fact]
    public async Task Should_add_app_version_and_schema_as_dependency()
    {
        var content = CreateContent() with { Version = 13 };

        await sut.EnrichAsync(ApiContext, Enumerable.Repeat(content, 1), SchemaProvider(), CancellationToken);

        A.CallTo(() => requestCache.AddDependency(content.UniqueId, content.Version))
            .MustHaveHappened();

        A.CallTo(() => requestCache.AddDependency(Schema.UniqueId, Schema.Version))
            .MustHaveHappened();

        A.CallTo(() => requestCache.AddDependency(App.UniqueId, App.Version))
            .MustHaveHappened();
    }

    [Fact]
    public async Task Should_not_add_cache_headers_if_disabled()
    {
        await sut.EnrichAsync(ApiContext.Clone(b => b.WithNoCacheKeys()), CancellationToken);

        A.CallTo(() => requestCache.AddHeader(A<string>._))
            .MustNotHaveHappened();
    }

    [Fact]
    public async Task Should_not_add_cache_headers_for_contents_if_disabled()
    {
        var content = CreateContent() with { Version = 13 };

        await sut.EnrichAsync(ApiContext.Clone(b => b.WithNoCacheKeys()), Enumerable.Repeat(content, 1), SchemaProvider(), CancellationToken);

        A.CallTo(() => requestCache.AddHeader(A<string>._))
            .MustNotHaveHappened();
    }

    private ProvideSchema SchemaProvider()
    {
        return x => Task.FromResult((Schema, ResolvedComponents.Empty));
    }
}