using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Identity;
using Shouldly;
using Xunit;

namespace Volo.Abp.Identity
{
    public class IdentityUserLookupAppService_Tests : AbpIdentityApplicationTestBase
    {
        private readonly IIdentityUserLookupAppService _identityUserLookupAppService;
        private readonly IIdentityUserRepository _identityUserRepository;
        private readonly ILookupNormalizer _lookupNormalizer;

        public IdentityUserLookupAppService_Tests()
        {
            _identityUserLookupAppService = GetRequiredService<IIdentityUserLookupAppService>();
            _identityUserRepository = GetRequiredService<IIdentityUserRepository>();
            _lookupNormalizer = GetRequiredService<ILookupNormalizer>();
        }

        [Fact]
        public async Task FindByIdAsync()
        {
            var user = await _identityUserRepository.FindByNormalizedUserNameAsync(_lookupNormalizer.NormalizeName("john.nash"));
            user.ShouldNotBeNull();

            (await _identityUserLookupAppService.FindByIdAsync(user.Id)).UserName.ShouldBe(user.UserName);
        }

        [Fact]
        public async Task FindById_NotExist_Should_Return_Null()
        {
            var user = await _identityUserLookupAppService.FindByIdAsync(Guid.NewGuid());
            user.ShouldBeNull();
        }

        [Fact]
        public async Task FindByUserNameAsync()
        {
            var user = await _identityUserRepository.FindByNormalizedUserNameAsync(_lookupNormalizer.NormalizeName("john.nash"));
            user.ShouldNotBeNull();

            (await _identityUserLookupAppService.FindByUserNameAsync(user.UserName)).UserName.ShouldBe(user.UserName);
        }

        [Fact]
        public async Task FindByUserName_NotExist_Should_Return_Null()
        {
            var user = await _identityUserLookupAppService.FindByUserNameAsync(Guid.NewGuid().ToString());
            user.ShouldBeNull();
        }
    }
}