using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using LCU.API.Internal.Operations.IncentiveApi.Services;
using LCU.Library.Internal.IncentiveApiModels.Entities;
using LCU.Library.Internal.IncentiveApiModels.Enums;
using Microsoft.AspNetCore.Mvc;
using Moq;
using NUnit.Framework;
using LCU.API.Internal.Operations.IncentiveApi.Controllers;
using LCU.Library.Internal.IncentiveApiModels.Common;
using LCU.API.Internal.Operations.IncentiveApi.Exceptions;

namespace Application.UnitTests.Controllers
{
    public class DeadActivityControllerTest
    {
        private DeadActivityController _controller;
        private Mock<IDeadActivityService> _mockDeadActivityService;

        [SetUp]
        public void Setup()
        {
            _mockDeadActivityService = new Mock<IDeadActivityService>();
            _controller = new DeadActivityController(_mockDeadActivityService.Object);
        }

        [Test]
        public async Task Get_OK()
        {
            var filter = new DeadActivityFilter()
            {
                Limit = 999,
                Page = 1
            };
            var results = new PagedResult<DeadActivity>();
            results.Items = new List<DeadActivity>()
            {
                new DeadActivity("1234", SystemType.Action, DeadActivityReason.Other, "test")
            };
            results.Total = 1;

            _mockDeadActivityService
                .Setup(service => service.ListByFilterAsync(filter)).ReturnsAsync(results);
            var result = await _controller.Get(filter);
            Assert.NotNull(result);

            var okResult = result as OkObjectResult;
            Assert.NotNull(okResult);
            Assert.AreEqual(200, okResult.StatusCode);
        }

        [Test]
        public async Task Get_Single_Ok()
        {
            _mockDeadActivityService.Setup(x => x.GetDeadActivity(5))
                .ReturnsAsync(new DeadActivity("1234", SystemType.Action, DeadActivityReason.Other, "test"));

            var result = await _controller.Get(5);
            Assert.NotNull(result);

            var okResult = result as OkObjectResult;
            Assert.NotNull(okResult);
            Assert.AreEqual(200, okResult.StatusCode);

            var value = okResult.Value as DeadActivity;
            Assert.NotNull(value);
            Assert.AreEqual("1234", value.SourceId);
        }

        [Test]
        public async Task Get_Single_NotFound()
        {
            _mockDeadActivityService.Setup(x => x.GetDeadActivity(1))
                .ThrowsAsync(new NotFoundException("Not Found"));

            var result = await _controller.Get(1);
            Assert.NotNull(result);

            var badRequestResult = result as BadRequestObjectResult;
            Assert.NotNull(badRequestResult);
            Assert.AreEqual(400, badRequestResult.StatusCode);
            Assert.AreEqual("DeadActivity Not Found.", badRequestResult.Value);
        }

        [Test]
        public async Task Get_Single_Exception()
        {
            _mockDeadActivityService.Setup(x => x.GetDeadActivity(1))
                .ThrowsAsync(new Exception("Internal Server Error"));

            var result = await _controller.Get(1);
            Assert.NotNull(result);

            var badResult = result as StatusCodeResult;
            Assert.NotNull(badResult);
            Assert.AreEqual(500, badResult.StatusCode);
        }

        [Test]
        public async Task ProcessDeadActivityState_Ok()
        {
            var deadActivity = new DeadActivity("1234", SystemType.Action, DeadActivityReason.Other, "test");
            _mockDeadActivityService.Setup(mock => mock.ProcessDeadActivity(1,2))
                .ReturnsAsync(deadActivity);

            var result = await _controller.Delete(1,2);

            Assert.NotNull(result);

            var okResult = result as OkObjectResult;
            Assert.NotNull(okResult);
            Assert.AreEqual(200, okResult.StatusCode);
        }

        [Test]
        public async Task ProcessDeadActivityState_Ok_NoLink()
        {
            var deadActivity = new DeadActivity("1234", SystemType.Action, DeadActivityReason.Other, "test");
            _mockDeadActivityService.Setup(mock => mock.ProcessDeadActivity(1,-1))
                .ReturnsAsync(deadActivity);

            var result = await _controller.Delete(1);

            Assert.NotNull(result);

            var okResult = result as OkObjectResult;
            Assert.NotNull(okResult);
            Assert.AreEqual(200, okResult.StatusCode);
        }
    }
}