using System;
using System.Collections.Generic;
using Xunit;
using Moq;
using LCU.Shared.Collections.RepoApiLib.Repositories;
using LCU.API.Collections.RepoApi.Services;
using LCU.API.Collections.RepoApi.Exceptions;
using LCU.Shared.Collections.RepoApiLib.Models;

namespace LCU.API.Collections.RepoApiTests.Services
{
    public class RepoStatusChangeServiceTest
    {
        private readonly Mock<IRepoStatusChangeRepository> _mockStatusChangeRepo;
        private readonly RepoStatusChangeService _changeService;

        public RepoStatusChangeServiceTest()
        {
            _mockStatusChangeRepo = new Mock<IRepoStatusChangeRepository>();
            _changeService = new RepoStatusChangeService(_mockStatusChangeRepo.Object);
        }

        [Fact]
        public async void ListByAccount_Exception()
        {
            _mockStatusChangeRepo.Setup(repo => repo.ListForAccountAsync(It.IsAny<int>()))
                .ThrowsAsync(new Exception("oops"));

            var res = await Assert.ThrowsAsync<ServerErrorException>(async () =>
            {
                await _changeService.ListByAccount(5);
            });
        }

        [Fact]
        public async void ListByAccount_Ok()
        {
            _mockStatusChangeRepo.Setup(repo => repo.ListForAccountAsync(It.IsAny<int>()))
                .ReturnsAsync(new List<RepoStatusChange>() {new RepoStatusChange() { }});

            var res = await _changeService.ListByAccount(5);
            Assert.NotNull(res);
            Assert.Single(res);
        }
    }
}