using System;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using NSubstitute;
using Shouldly;
using Volo.Abp;
using Volo.Abp.Users;
using Volo.CmsKit.Public.Comments;
using Xunit;

namespace Volo.CmsKit.Comments;

public class CommentPublicAppService_Tests : CmsKitApplicationTestBase
{
    private readonly ICommentPublicAppService _commentAppService;
    private ICurrentUser _currentUser;
    private readonly CmsKitTestData _cmsKitTestData;

    public CommentPublicAppService_Tests()
    {
        _commentAppService = GetRequiredService<ICommentPublicAppService>();
        _cmsKitTestData = GetRequiredService<CmsKitTestData>();
    }

    protected override void AfterAddApplication(IServiceCollection services)
    {
        _currentUser = Substitute.For<ICurrentUser>();
        services.AddSingleton(_currentUser);
    }

    [Fact]
    public async Task GetAllForEntityAsync()
    {
        var list = await _commentAppService.GetListAsync(_cmsKitTestData.EntityType1, _cmsKitTestData.EntityId1);

        list.Items.Count.ShouldBe(2);
        list.Items.First().Replies.Count.ShouldBe(2);
    }

    [Fact]
    public async Task CreateAsync()
    {
        _currentUser.Id.Returns(_cmsKitTestData.User2Id);

        var newComment = await _commentAppService.CreateAsync(
            _cmsKitTestData.EntityType1,
            _cmsKitTestData.EntityId1,
            new CreateCommentInput
            {
                RepliedCommentId = null,
                Text = "newComment",
                IdempotencyToken = Guid.NewGuid().ToString("N")
            }
        );

        UsingDbContext(context =>
        {
            var comments = context.Set<Comment>().Where(x =>
                x.EntityId == _cmsKitTestData.EntityId1 && x.EntityType == _cmsKitTestData.EntityType1).ToList();

            comments
                .Any(c => c.Id == newComment.Id && c.CreatorId == newComment.CreatorId && c.Text == "newComment")
                .ShouldBeTrue();
        });
    }

    [Theory]
    [InlineData("https://abp.io/features")]
    public async Task CreateAsync_ShouldCreateComment_If_Url_Allowed(string text)
    {
        _currentUser.Id.Returns(_cmsKitTestData.User2Id);

        await _commentAppService.CreateAsync(
            _cmsKitTestData.EntityType1,
            _cmsKitTestData.EntityId1,
            new CreateCommentInput
            {
                RepliedCommentId = null,
                Text = text,
                IdempotencyToken = Guid.NewGuid().ToString("N")
            }
        );
    }

    [Theory]
    [InlineData("[ABP Community](https://community.abp.io/)")] //not allowed URL
    [InlineData("<a href='https://docs.abp.io/en/abp/latest'>docs.abp.io</a>")] //not allowed URL
    public async Task CreateAsync_ShouldThrowUserFriendlyException_If_Url_UnAllowed(string text)
    {
        _currentUser.Id.Returns(_cmsKitTestData.User2Id);

        await Should.ThrowAsync<UserFriendlyException>(async () =>
            await _commentAppService.CreateAsync(
                _cmsKitTestData.EntityType1,
                _cmsKitTestData.EntityId1,
                new CreateCommentInput
                {
                    RepliedCommentId = null,
                    Text = text, //not allowed URL
                    IdempotencyToken = Guid.NewGuid().ToString("N")
                }
            ));
    }

    [Fact]
    public async Task CreateAsync_ShouldThrowUserFriendlyException_If_IdempotencyToken_Not_Unique()
    {
        _currentUser.Id.Returns(_cmsKitTestData.User2Id);

        await Should.ThrowAsync<UserFriendlyException>(async () =>
            await _commentAppService.CreateAsync(
                _cmsKitTestData.EntityType1,
                _cmsKitTestData.EntityId1,
                new CreateCommentInput
                {
                    RepliedCommentId = null,
                    Text = "<text>",
                    IdempotencyToken = _cmsKitTestData.IdempotencyToken_1
                }
            ));
    }

    [Fact]
    public async Task UpdateAsync()
    {
        _currentUser.Id.Returns(_cmsKitTestData.User1Id);

        await _commentAppService.UpdateAsync(_cmsKitTestData.CommentWithChildId, new UpdateCommentInput
        {
            Text = "I'm Updated"
        });

        UsingDbContext(context =>
        {
            var comment = context.Set<Comment>().Single(x =>
                x.Id == _cmsKitTestData.CommentWithChildId);

            comment.Text.ShouldBe("I'm Updated");
        });
    }

    [Fact]
    public async Task UpdateAsync_ShouldThrowUserFriendlyException_If_Url_UnAllowed()
    {
        _currentUser.Id.Returns(_cmsKitTestData.User1Id);

        await Should.ThrowAsync<UserFriendlyException>(async () =>
            await _commentAppService.UpdateAsync(
                _cmsKitTestData.CommentWithChildId,
                new UpdateCommentInput
                {
                    Text = "[ABP Community - Update](https://community.abp.io/)", //not allowed URL
                }
            ));
    }

    [Fact]
    public async Task DeleteAsync()
    {
        _currentUser.Id.Returns(_cmsKitTestData.User1Id);

        await _commentAppService.DeleteAsync(_cmsKitTestData.CommentWithChildId);

        UsingDbContext(context =>
        {
            var comment = context.Set<Comment>().FirstOrDefault(x =>
                x.Id == _cmsKitTestData.CommentWithChildId);

            comment.ShouldBeNull();
        });
    }
}