using CarServiceContracts.BindingModels;
using CarServiceContracts.BusinessLogicsContracts;
using CarServiceContracts.SearchModels;
using CarServiceWebApp.Models;
using Microsoft.AspNetCore.Mvc;
using System.Diagnostics;

namespace CarServiceWebApp.Controllers
{
	public class HomeController : Controller
	{
		private readonly ILogger<HomeController> _logger;
		private readonly IWorkLogic _workLogic;
		private readonly IWorkerLogic _workerLogic;
		private readonly IItemLogic _itemLogic;
		private readonly IRepairRequestLogic _repairRequestLogic;
		private readonly IItemForRepairLogic _itemForRepairLogic;
		private readonly IWorkInRequestLogic _workInRequestLogic;

		public HomeController(ILogger<HomeController> logger, IWorkLogic workLogic, IWorkerLogic workerLogic, IItemLogic itemLogic, IRepairRequestLogic repairRequestLogic, IItemForRepairLogic itemForRepairLogic, IWorkInRequestLogic workInRequestLogic)
		{
			_logger = logger;
			_workLogic = workLogic;
			_workerLogic = workerLogic;
			_itemLogic = itemLogic;
			_repairRequestLogic = repairRequestLogic;
			_itemForRepairLogic = itemForRepairLogic;
			_workInRequestLogic = workInRequestLogic;
		}
		/// <summary>
		/// Главная страница
		/// </summary>
		/// <returns></returns>
		public IActionResult Index()
		{
			if (CurrentUser.UserId < 1)
			{
				return Redirect("~/Home/Enter");
			}
			return View();
		}
		/// <summary>
		/// Отображение формы для входа
		/// </summary>
		/// <returns></returns>
		[HttpGet]
		public IActionResult Enter()
		=> View();
		/// <summary>
		/// Ввод данных в форму для входа
		/// </summary>
		/// <param name="model"></param>
		/// <returns></returns>
		[HttpPost]
		public IActionResult Enter(WorkerSearchModel model)
		{
			var existingWorker = _workerLogic.ReadElement(new() { Login = model.Login, Password = model.Password });
			if (existingWorker != null)
			{
				CurrentUser.UserId = existingWorker.Id;
				return Redirect("~/Home/Index");
			}
			else
			{
				ViewBag.Exception = "Неверный логин или пароль";
				return View();
			}
		}
		/// <summary>
		/// Список работ
		/// </summary>
		/// <returns></returns>
		public IActionResult Works()
		{
			if (CurrentUser.UserId < 1)
			{
				return Redirect("~/Home/Index");
			}
			var Works = _workLogic.ReadList(new() { Id = CurrentUser.UserId });
			ViewBag.Works = Works;
			if (Works?.Count == 0)
			{
				ViewBag.Exception = "Пока нет работ";
			}
			return View();
		}
		/// <summary>
		/// Выход из учётной записи
		/// </summary>
		/// <returns></returns>
		[HttpGet]
		public IActionResult Logout()
		{
			CurrentUser.UserId = 0;
			return Redirect("~/Home/Index");
		}
		/// <summary>
		/// Отображение формы для регистрации
		/// </summary>
		/// <returns></returns>
		[HttpGet]
		public IActionResult Register() => View();
		/// <summary>
		/// Ввод данных при регистрации пользователя
		/// </summary>
		/// <returns></returns>
		[HttpPost]
		public IActionResult Register(WorkerBindingModel model)
		{
			try
			{
				_workerLogic.Create(model);
			}
			catch (Exception ex)
			{
				ViewBag.Exception = ex.Message;
				return View();
			}
			return Redirect("~/Home/Enter");
		}
		/// <summary>
		/// Отображение формы CRUD работы
		/// </summary>
		/// <param name="Id"></param>
		/// <returns></returns>
		[HttpGet]
		public IActionResult Work(int Id)
		{
			ViewBag.Work = _workLogic.ReadElement(new() { Id = Id });
			return View();
		}
		/// <summary>
		/// Обновление работы
		/// </summary>
		/// <param name="model"></param>
		/// <returns></returns>
		[HttpPost]
		public IActionResult UpdateWork(WorkBindingModel model)
		{
			_workLogic.Update(model);
			return Redirect("~/Home/Works");
		}
		/// <summary>
		/// Удаление работы
		/// </summary>
		/// <param name="model"></param>
		/// <returns></returns>
		[HttpPost]
		public IActionResult DeleteWork(WorkBindingModel model)
		{
			_workLogic.Delete(model);
			return Redirect("~/Home/Works");
		}
		/// <summary>
		/// Отображение формы добавления работы
		/// </summary>
		/// <returns></returns>
		[HttpGet]
		public IActionResult CreateWork() => View();
		/// <summary>
		/// Добавление работы
		/// </summary>
		/// <param name="model"></param>
		/// <returns></returns>
		[HttpPost]
		public IActionResult CreateWork(WorkBindingModel model)
		{
			try
			{
				_workLogic.Create(model);
			}
			catch (Exception ex)
			{
				ViewBag.Exception = ex.Message;
				return View();
			}
			return Redirect("~/Home/Works");
		}
		/// <summary>
		/// Вывод формы со списком статей затрат
		/// </summary>
		/// <returns></returns>
		public IActionResult Items()
		{
			if (CurrentUser.UserId < 1)
			{
				return Redirect("~/Home/Index");
			}
			var Items = _itemLogic.ReadList(new() { Id = CurrentUser.UserId });
			ViewBag.Items = Items;
			if (Items?.Count == 0)
			{
				ViewBag.Exception = "Пока нет запчастей";
			}
			return View();
		}
		/// <summary>
		/// Отображение формы CRUD запчасти
		/// </summary>
		/// <param name="Id"></param>
		/// <returns></returns>
		[HttpGet]
		public IActionResult Item(int Id)
		{
			ViewBag.Item = _itemLogic.ReadElement(new() { Id = Id });
			return View();
		}
		/// <summary>
		/// Обновление запчасти
		/// </summary>
		/// <param name="model"></param>
		/// <returns></returns>
		[HttpPost]
		public IActionResult UpdateItem(ItemBindingModel model)
		{
			_itemLogic.Update(model);
			return Redirect("~/Home/Items");
		}
		/// <summary>
		/// Удаление запчасти
		/// </summary>
		/// <param name="model"></param>
		/// <returns></returns>
		[HttpPost]
		public IActionResult DeleteItem(ItemBindingModel model)
		{
			_itemLogic.Delete(model);
			return Redirect("~/Home/Items");
		}
		/// <summary>
		/// Отображение формы добавления запчасти
		/// </summary>
		/// <returns></returns>
		[HttpGet]
		public IActionResult CreateItem() => View();
		/// <summary>
		/// Добавление запчасти
		/// </summary>
		/// <param name="model"></param>
		/// <returns></returns>
		[HttpPost]
		public IActionResult CreateItem(ItemBindingModel model)
		{
			try
			{
				_itemLogic.Create(model);
			}
			catch (Exception ex)
			{
				ViewBag.Exception = ex.Message;
				return View();
			}
			return Redirect("~/Home/Items");
		}
		/// <summary>
		/// Вывод списка заявок
		/// </summary>
		/// <returns></returns>
		[HttpGet]
		public IActionResult RepairRequests()
		{
			if (CurrentUser.UserId < 1)
			{
				return Redirect("~/Home/Index");
			}
			var RepairRequests = _repairRequestLogic.ReadList(null);
			ViewBag.RepairRequests = RepairRequests;
			if (RepairRequests?.Count == 0)
			{
				ViewBag.Exception = "Пока нет заявок";
			}
			return View();
		}
		[HttpGet]
		public IActionResult RepairRequest(int Id)
		{
			ViewBag.Request = _repairRequestLogic.ReadElement(new() { Id = Id });
			var itemsForRepair = _itemForRepairLogic.ReadList(new() { Id = Id });
			ViewBag.ItemsForRepair = itemsForRepair;
			if (itemsForRepair?.Count == 0)
			{
				ViewBag.Exception = "Пока нет затрат";
			}
			return View();
		}
		[HttpGet]
		public IActionResult Attachment(int Id)
		{
			//добавляем информацию о заявке
			ViewBag.Request = _repairRequestLogic.ReadElement(new() { Id = Id });
			//добавляем статьи затрат
			ViewBag.Items = _itemLogic.ReadList(new() { Id = CurrentUser.UserId });
			return View();
		}
		[HttpPost]
		public IActionResult Attachment(int id, int selecteditem, int count)
		{
			var existingAttachment = _itemForRepairLogic.ReadElement(new() { ItemId = selecteditem });
			if (existingAttachment == null)
			{
				_itemForRepairLogic.Create(new() { ItemId = selecteditem, RepairRequestId = id, Count = count });
			}
			else
			{
				existingAttachment.Count = count;
				_itemForRepairLogic.Update(new()
				{
					Id = existingAttachment.Id,
					Count = existingAttachment.Count,
					ItemId = existingAttachment.ItemId,
					RepairRequestId = existingAttachment.RepairRequestId
				});
			}
			return Redirect($"~/Home/RepairRequest/{id}");
		}
		[HttpGet]
		public IActionResult WorksInRequest(int Id)
		{
			ViewBag.Request = _repairRequestLogic.ReadElement(new() { Id = Id });
			var worksInRequest = _workInRequestLogic.ReadList(new() { Id = Id });
			ViewBag.WorksInRequest = worksInRequest;
			if (worksInRequest?.Count == 0)
			{
				ViewBag.Exception = "Пока нет работ";
			}
			return View();
		}
		/// <summary>
		/// Вывод ошибок
		/// </summary>
		/// <returns></returns>
		[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
		public IActionResult Error()
		{
			return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
		}
	}
}