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

using Squidex.Domain.Apps.Core.Rules.EnrichedEvents;
using Squidex.Domain.Apps.Core.Subscriptions;
using Squidex.Domain.Apps.Events.Apps;
using Squidex.Domain.Apps.Events.Contents;
using Squidex.Infrastructure;
using Squidex.Infrastructure.Security;
using Squidex.Shared;
using Xunit;

namespace Squidex.Domain.Apps.Core.Operations.Subscriptions
{
    public class ContentSubscriptionTests
    {
        private readonly NamedId<DomainId> appId = NamedId.Of(DomainId.NewGuid(), "my-app");
        private readonly NamedId<DomainId> schemaId = NamedId.Of(DomainId.NewGuid(), "my-schema");

        [Fact]
        public async Task Should_return_true_for_enriched_content_event()
        {
            var sut = WithPermission(new ContentSubscription());

            var @event = Enrich(new EnrichedContentEvent());

            Assert.True(await sut.ShouldHandle(@event));
        }

        [Fact]
        public async Task Should_return_false_for_wrong_event()
        {
            var sut = WithPermission(new ContentSubscription());

            var @event = new AppCreated { AppId = appId };

            Assert.False(await sut.ShouldHandle(@event));
        }

        [Fact]
        public async Task Should_return_true_for_content_event()
        {
            var sut = WithPermission(new ContentSubscription());

            var @event = Enrich(new ContentCreated());

            Assert.True(await sut.ShouldHandle(@event));
        }

        [Fact]
        public async Task Should_return_true_for_content_event_with_correct_type()
        {
            var sut = WithPermission(new ContentSubscription { Type = EnrichedContentEventType.Created });

            var @event = Enrich(new ContentCreated());

            Assert.True(await sut.ShouldHandle(@event));
        }

        [Fact]
        public async Task Should_return_false_for_content_event_with_wrong_type()
        {
            var sut = WithPermission(new ContentSubscription { Type = EnrichedContentEventType.Deleted });

            var @event = Enrich(new ContentCreated());

            Assert.False(await sut.ShouldHandle(@event));
        }

        [Fact]
        public async Task Should_return_true_for_content_event_with_correct_schema()
        {
            var sut = WithPermission(new ContentSubscription { SchemaName = schemaId.Name });

            var @event = Enrich(new ContentCreated());

            Assert.True(await sut.ShouldHandle(@event));
        }

        [Fact]
        public async Task Should_return_false_for_content_event_with_wrong_schema()
        {
            var sut = WithPermission(new ContentSubscription { SchemaName = "wrong-schema" });

            var @event = Enrich(new ContentCreated());

            Assert.False(await sut.ShouldHandle(@event));
        }

        [Fact]
        public async Task Should_return_false_for_content_event_invalid_permissions()
        {
            var sut = WithPermission(new ContentSubscription(), PermissionIds.AppCommentsCreate);

            var @event = Enrich(new ContentCreated());

            Assert.False(await sut.ShouldHandle(@event));
        }

        private object Enrich(EnrichedContentEvent source)
        {
            source.AppId = appId;
            source.SchemaId = schemaId;

            return source;
        }

        private object Enrich(ContentEvent source)
        {
            source.AppId = appId;
            source.SchemaId = schemaId;

            return source;
        }

        private ContentSubscription WithPermission(ContentSubscription subscription, string? permissionId = null)
        {
            subscription.AppId = appId.Id;

            permissionId ??= PermissionIds.AppContentsRead;

            var permission = PermissionIds.ForApp(permissionId, appId.Name, schemaId.Name);
            var permissions = new PermissionSet(permission);

            subscription.Permissions = permissions;

            return subscription;
        }
    }
}