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

namespace LCU.API.Collections.RepoApiTests.Controllers
{
    public class AuditRecordControllerTest
    {
        private readonly Mock<IAuditRecordService> mockAuditRecordService;
        private readonly AuditRecordController controller;
        private readonly Mock<IHttpContextAccessor> mockHttpContextAccessor;

        public AuditRecordControllerTest()
        {
            mockAuditRecordService = new Mock<IAuditRecordService>();
            mockHttpContextAccessor = new Mock<IHttpContextAccessor>();
            controller = new AuditRecordController(mockAuditRecordService.Object,
                mockHttpContextAccessor.Object);
        }

        // Get tests
        [Fact]
        public async void Get_OK()
        {
            mockAuditRecordService.Setup(service => service.ListAll(It.IsAny<PageFilter>())).ReturnsAsync(
                new PagedResult<AuditRecord>()
                {
                    Total = 1,
                    Items = new List<AuditRecord>()
                    {
                        new AuditRecord()
                        {
                            Action = "action",
                            ClassName = "Something",
                            Description = "changed something field 1",
                            PerformedBy = "Developer",
                            KeyRepresentation = "111"
                        }
                    }
                });

            // arrange
            var filter = new PageFilter();

            // act
            var result = await controller.Get(filter);
            Assert.NotNull(result);
            var okResult = result as OkObjectResult;

            // assert
            Assert.NotNull(okResult);
            Assert.Equal(200, okResult.StatusCode);

            var okValue = okResult.Value as PagedResponse<AuditRecord>;
            Assert.NotNull(okValue);
            Assert.Equal(1, okValue.TotalItems);
        }

        // Post tests
        [Fact]
        public async void Post_OK()
        {
            // arrange
            var postAudit = new AuditRecord()
            {
                Action = "action",
                ClassName = "Something",
                Description = "changed something field 1",
                PerformedBy = "Developer",
                KeyRepresentation = "111"
            };

            // act
            var result = await controller.Post(postAudit);
            Assert.NotNull(result);
            var okResult = result as OkObjectResult;

            // assert
            Assert.NotNull(okResult);
            Assert.Equal(200, okResult.StatusCode);
        }

        [Fact]
        public async void Post_Bad_Request()
        {
            // arrange
            var postAudit = new AuditRecord()
            {
                Action = "action",
                ClassName = "Something",
                Description = "changed something field 1",
                KeyRepresentation = "111"
            };
            controller.ModelState.AddModelError("PerformedBy", "The performed by field is required.");

            // act
            var result = await controller.Post(postAudit);
            Assert.NotNull(result);
            var badRequestResult = result as BadRequestObjectResult;

            // assert
            Assert.NotNull(badRequestResult);
            Assert.Equal(StatusCodes.Status400BadRequest, badRequestResult.StatusCode);
        }
    }
}