using Shouldly;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Volo.CmsKit.Blogs;
using Volo.CmsKit.Users;
using Xunit;

namespace Volo.CmsKit.Ratings
{
    public class RatingManager_Test : CmsKitDomainTestBase
    {
        private readonly CmsKitTestData _cmsKitTestData;
        private readonly RatingManager _ratingManager;
        private readonly ICmsUserRepository _userRepository;

        public RatingManager_Test()
        {
            _cmsKitTestData = GetRequiredService<CmsKitTestData>();
            _ratingManager = GetRequiredService<RatingManager>();
            _userRepository = GetRequiredService<ICmsUserRepository>();
        }

        [Fact]
        public async Task SetStarAsync_ShouldCreate_WhenFirstCall()
        {
            var user = await _userRepository.GetAsync(_cmsKitTestData.User1Id);
            short starCount = 4;

            var rating = await _ratingManager.SetStarAsync(user, _cmsKitTestData.EntityType1, _cmsKitTestData.BlogPost_1_Id.ToString(), starCount);

            rating.ShouldNotBeNull();
            rating.Id.ShouldNotBe(Guid.Empty);
            rating.StarCount.ShouldBe(starCount);
        }

        [Fact]
        public async Task SetStarAsync_ShouldUpdate_WithExistingRating()
        {
            var user = await _userRepository.GetAsync(_cmsKitTestData.User1Id);
            short starCount = 2;

            var rating = await _ratingManager.SetStarAsync(user, _cmsKitTestData.EntityType1, _cmsKitTestData.EntityId1, starCount);

            rating.ShouldNotBeNull();
            rating.Id.ShouldNotBe(Guid.Empty);
            rating.StarCount.ShouldBe(starCount);
        }

        [Fact]
        public async Task SetStarAsync_ShouldThrowException_WithNotConfiguredentityType()
        {
            var user = await _userRepository.GetAsync(_cmsKitTestData.User1Id);
            var notConfiguredEntityType = "AnyOtherEntityType";
            short starCount = 3;

            var exception = await Should.ThrowAsync<EntityCantHaveRatingException>(async () =>
                                await _ratingManager.SetStarAsync(user, notConfiguredEntityType, "1", starCount));

            exception.ShouldNotBeNull();
            exception.EntityType.ShouldBe(notConfiguredEntityType);
        }
    }
}