using System;
using System.Collections.Generic;
using System.Linq;
using LCU.API.Collections.RepoApi.Controllers;
using LCU.API.Collections.RepoApi.Exceptions;
using LCU.API.Collections.RepoApi.Models.Responses;
using LCU.API.Collections.RepoApi.Services;
using LCU.Shared.Collections.RepoApiLib.Models;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Moq;
using Xunit;

namespace LCU.API.Collections.RepoApiTests.Controllers
{
    public class RepoCompanySelectionControllerTest
    {
        private RepoCompanySelectionController _controller;
        private Mock<IRepoCompanySelectionService> _mockService;
        private Mock<IHttpContextAccessor> _mockHttpContextAccessor;

        public RepoCompanySelectionControllerTest()
        {
            _mockService = new Mock<IRepoCompanySelectionService>();
            _mockHttpContextAccessor = new Mock<IHttpContextAccessor>();
            _controller = new RepoCompanySelectionController(
                _mockService.Object,
                _mockHttpContextAccessor.Object);
        }

        [Fact]
        public async void Get_Ok()
        {
            // Arrange
            _mockService.Setup(service => service.ListAllAsync()).ReturnsAsync(new List<RepoCompanySelection>()
            {
                new RepoCompanySelection(),
                new RepoCompanySelection()
            });

            // Act
            var result = await _controller.Get();

            // Assert
            Assert.NotNull(result);

            var okResult = result as OkObjectResult;
            Assert.NotNull(okResult);
            Assert.NotNull(okResult.Value);

            var repoCompanySelectionList = okResult.Value as IEnumerable<RepoCompanySelection>;
            Assert.NotNull(repoCompanySelectionList);
            Assert.Equal(2, repoCompanySelectionList.Count());
        }

        [Fact]
        public async void Get_ById_Ok()
        {
            // Arrange
            _mockService.Setup(service => service.GetAsync(It.IsAny<int>())).ReturnsAsync(new RepoCompanySelection()
            {
                RepoCompanyId = 5
            });

            // Act
            var result = await _controller.Get(42);

            // Assert
            Assert.NotNull(result);

            var okResult = result as OkObjectResult;
            Assert.NotNull(okResult);
            Assert.NotNull(okResult.Value);

            var repoCompanySelection = okResult.Value as RepoCompanySelection;
            Assert.NotNull(repoCompanySelection);
            Assert.Equal(5, repoCompanySelection.RepoCompanyId);
        }

        [Fact]
        public async void Get_ById_Invalid_ID()
        {
            // Act
            var result = await _controller.Get(0);

            // Assert
            Assert.NotNull(result);

            var badRequestResult = result as BadRequestObjectResult;
            Assert.NotNull(badRequestResult);
            Assert.Equal("Invalid ID", badRequestResult.Value);
        }

        [Fact]
        public async void Get_ById_Not_Found()
        {
            // Arrange
            _mockService.Setup(service => service.GetAsync(It.IsAny<int>()))
                .ThrowsAsync(new NotFoundException("Not Found in Get"));

            // Act
            var result = await _controller.Get(1);

            // Assert
            Assert.NotNull(result);

            var notFoundRequest = result as NotFoundObjectResult;
            Assert.NotNull(notFoundRequest);
            Assert.Equal("Not Found in Get", notFoundRequest.Value);
        }
    }
}