using DocumentFormat.OpenXml.Bibliography;
using ElectronicsShopContracts.BindingModels;
using ElectronicsShopContracts.BusinessLogicContracts;
using ElectronicsShopContracts.SearchModels;
using ElectronicsShopContracts.ViewModels;
using ElectronicsShopDataModels.Enums;
using ElectronicsShopDataModels.Models;
using ElectronicsShopUserApp.Models;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
using System.Diagnostics;
using System.Net.Mime;
using System.Reflection;
using System.Runtime.Serialization;
using System.Text.RegularExpressions;
using System.Xml.Serialization;

namespace ElectronicsShopUserApp.Controllers {
    public class HomeController : Controller {
        private readonly ILogger<HomeController> _logger;
		private Dictionary<int, (IProductModel, int)> _productList;
        public int Id;

        public HomeController(ILogger<HomeController> logger) {
            _logger = logger;
            _productList = new Dictionary<int, (IProductModel, int)>();
        }

        [HttpGet]
        public IActionResult Index() {
           if (APIClient.Client == null) {
                return Redirect("~/Home/Enter");
           }
           return View(APIClient.GetRequset<List<PaymeantViewModel>>($"api/client/getpaymeants?_clientid={APIClient.Client.ID}"));
        }

        [HttpGet]
        public IActionResult Privacy() {
            if (APIClient.Client == null) {
                return Redirect("~/home/Enter");
            }
            return View(APIClient.Client);
        }

        [HttpPost]
        public void Privacy(string email, string password, string fio) {
            if (APIClient.Client == null) {
                throw new Exception("Вход для авторизованных");
            }
            if (string.IsNullOrEmpty(email) || string.IsNullOrEmpty(password) || string.IsNullOrEmpty(fio)) {
                throw new Exception("Введите почту, пароль и ФИО");
            }
            APIClient.PostRequest("api/client/updatedata", new ClientBindingModel {
                ID = APIClient.Client.ID,
                ClientFIO = fio,
                Email = email,
                Password = password,
            });

            APIClient.Client.ClientFIO = fio;
            APIClient.Client.Email = email;
            APIClient.Client.Password = password;
            Response.Redirect("Index");
        }

		[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
        public IActionResult Error() {
            return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
        }

        [HttpGet]
        public IActionResult Enter() {
            return View();
        }

        [HttpPost] 
        public void Enter(string email, string password) {
            if (string.IsNullOrEmpty(email) || string.IsNullOrEmpty(password)) {
                throw new Exception("Введите почту и пароль");
            }
            APIClient.Client = APIClient.GetRequset<ClientViewModel>($"api/Client/Login?email={email}&password={password}");
            if (APIClient.Client == null) {
                throw new Exception("Неверный адрес почты/пароль");
            }
            Response.Redirect("Index");
        }

        [HttpGet]
        public IActionResult Register() {
            return View();
        }
        [HttpPost]
        public void Register(string email, string password, string fio) {
            if (string.IsNullOrEmpty(email) || string.IsNullOrEmpty(password) || string.IsNullOrEmpty(fio)) {
                throw new Exception("Введите почту,пароль и ФИО");
            }
            APIClient.PostRequest("api/client/register", new ClientBindingModel {
                ClientFIO = fio,
                Email = email,
                Password = password
            });
            Response.Redirect("Enter");
            return;
        }

        public IActionResult Orders() {
            if (APIClient.Client == null) {
                return Redirect("~/Home/Enter");
            }

            var view = APIClient.GetRequset<List<OrderViewModel>>($"api/main/getorders?_clientid={APIClient.Client.ID}");

			return View(view);
        }

        [HttpGet]
        public IActionResult CreateOrder() {
            if (APIClient.Client == null) {
                return Redirect("~/Home/Enter");
            }
            APIClient.PostRequest("api/main/createorder", new OrderBindingModel {
                ClientID = APIClient.Client.ID,
                DateCreate = DateTime.Now,
            });
            return RedirectToAction("OrderView");
		}

        [HttpGet]
        public IActionResult DeleteOrder(int id) {
			APIClient.PostRequest($"api/main/deleteorders", new OrderBindingModel { ID = id });
            return RedirectToAction("Orders");
		}

        [HttpGet]
        public IActionResult EditOrder(int id) {
			if (APIClient.Client == null) {
				return Redirect("~/Home/Enter");
			}

            if (id == 0) {
                return RedirectToAction("Orders");
            }
			var products = APIClient.GetRequset<List<List<string>>>($"api/main/getorderproducts?_orderid={id}");

			foreach (var pr in products) {
				var product = JsonConvert.DeserializeObject<ProductViewModel>(pr[0]);
				int count = JsonConvert.DeserializeObject<int>(pr[1]);
				_productList.Add(product.ID, (product, count));
			}

			(int, Dictionary<int, (IProductModel, int)>) tuple = (id, _productList);
			return View(tuple);
		}

        [HttpPost]
		public void EditOrder(double sum, int id) {
			if (sum <= 0) {
				APIClient.PostRequest($"api/main/deleteorders", new OrderBindingModel { ID = id });
			}

			Response.Redirect("Orders");
		}

		[HttpGet]
        public IActionResult OrderView() {
            if (APIClient.Client == null) {
                return Redirect("~/Home/Enter");
            }
            var view = APIClient.GetRequset<OrderViewModel>($"api/main/getorder?_clientid={APIClient.Client?.ID}");
            if (view != null) {
                Id = view.ID;
            }

            var products = APIClient.GetRequset<List<List<string>>>($"api/main/getorderproducts?_orderid={view?.ID}");

            foreach (var pr in products) {
				var product = JsonConvert.DeserializeObject<ProductViewModel>(pr[0]);
                int count = JsonConvert.DeserializeObject<int>(pr[1]);
                _productList.Add(product.ID, (product, count));
			}

            (int, Dictionary<int, (IProductModel, int)>) tuple = (Id, _productList);
            return View(tuple);
        }

        [HttpPost]
        public void OrderView(double sum, int id) {
            if (sum <= 0) {
                APIClient.PostRequest($"api/main/deleteorders", new OrderBindingModel { ID = id});
            }
            Response.Redirect("Orders");
        }

        [HttpGet]
        public IActionResult DeleteProductOrder(int id) {
			var view = APIClient.GetRequset<OrderViewModel>($"api/main/getorder?_clientid={APIClient.Client?.ID}");
			APIClient.PostRequestStr($"api/main/deleteproductorder", view.ID, id);

			return RedirectToAction("OrderView");
        }

		[HttpGet] 
        public IActionResult AddProduct() {
            ViewBag.Products = APIClient.GetRequset<List<ProductViewModel>>($"api/main/getproducts");
			return View();
        }

        [HttpPost] 
        public void AddProduct(int product, int count) {
            var _product = APIClient.GetRequset<ProductViewModel>($"api/main/getproduct?_productid={product}");
            var _order = APIClient.GetRequset<OrderViewModel>($"api/main/getorder?_clientid={APIClient.Client?.ID}");

			APIClient.ListPostRequest($"api/main/addproduct", _product, count, _order.ID);
			Response.Redirect("OrderView");
		}

        [HttpGet]
        public IActionResult Message()
        {
            //ViewBag.Reports = APIClient.GetRequset<List<ProductViewModel>>($"api/main/getproducts"); Писем так же пока нема
            return View();
        }

        [HttpGet]
		public IActionResult Payment(int id)
		{
			if (APIClient.Client == null)
			{
				return Redirect("~/Home/Enter");
			}

			if (id == 0)
			{
                return Redirect("~/Home/Index");
			}
			var products = APIClient.GetRequset<List<List<string>>>($"api/main/getorderproducts?_orderid={id}");

			foreach (var pr in products)
			{
				var product = JsonConvert.DeserializeObject<ProductViewModel>(pr[0]);
				int count = JsonConvert.DeserializeObject<int>(pr[1]);
				_productList.Add(product.ID, (product, count));
			}

			(int, Dictionary<int, (IProductModel, int)>) tuple = (id, _productList);
			return View(tuple);
		}

        [HttpPost]
        public void Payment(double sum, double paysum, int id) {
			if (APIClient.Client == null) {
				throw new Exception("Только для авторизованных");
			}
            if (paysum <= 0) {
                throw new Exception("Сумма опплаты должна быть больше 0");
            }
            if (paysum > sum) {
                throw new Exception("Ссума оплаты не должна превышать сумму к оплате");
            }
            APIClient.PostRequest("api/client/createpaymeant", new PaymeantBindingModel {
                OrderID = id,
                SumPayment = paysum,
                PayOption = PayOptionCalc(sum, paysum),
                ClientID = APIClient.Client.ID,
                DatePaymeant = DateTime.Now,
            });
            Response.Redirect("Index");
		}

        [HttpPost]
        public PaymeantOption PayOptionCalc(double sum, double paysum) {
            if (paysum < sum) {
                return PaymeantOption.Частичная_оплата;
            }
            else if (paysum == sum) {
                return PaymeantOption.Полная_оплата;
            }
            else {
                return PaymeantOption.Неоплачено;
            }
        }
        [HttpPost]
		public double Calc(int count, int product) {
			var _product = APIClient.GetRequset<ProductViewModel>($"api/main/getproduct?_productid={product}");
			return count * (_product?.Price ?? 1);
		}

        [HttpGet]
        public IActionResult Report() {
            if (APIClient.Client == null) {
                return Redirect("~/Home/Enter");
            }

            return View();
        }

        [HttpPost]
        public void Report(DateTime DateFrom, DateTime DateTo) {
            if (DateTo == DateTime.MinValue || DateFrom > DateTo) {
                throw new Exception("Некоректно указан временной интервал");
            }
            Response.Redirect($"ReportSearch?_datefrom={DateFrom}&_dateTo={DateTo}");
        }

        [HttpGet]
        public IActionResult ReportSearch(DateTime _datefrom, DateTime _dateto) {
            var reports = APIClient.GetRequset<List<PaymeantViewModel>>($"api/client/getreport?_start={_datefrom}&_end={_dateto}");

            (DateTime, DateTime, List<PaymeantViewModel>) tuple = (_datefrom, _dateto, reports);
            return View(tuple);
        }

        [HttpGet]
        public IActionResult CreateExcelReport() {
            var fileMemStream =  APIClient.GetRequset<byte[]>($"api/Client/CreateXlsxReport?_clientID={APIClient.Client.ID}");

            if (fileMemStream == null) {
                throw new Exception("Ошибка создания отчета");
            }

            return File(fileMemStream, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "Report.xlsx");
		}

        [HttpGet]
        public IActionResult CreateWordReport() {
            var fileMemStream = APIClient.GetRequset<byte[]>($"api/client/CreateDocxReport?_clientID={APIClient.Client.ID}");

            if (fileMemStream == null) {
                throw new Exception("Ошибка создания отчета");
            }

            return File(fileMemStream, "application/vnd.openxmlformats-officedocument.wordprocessingml.document", "Report.docx");
        }
	}
}