using ElectronicsShopContracts.BindingModels;
using ElectronicsShopContracts.SearchModels;
using ElectronicsShopContracts.StorageContracts;
using ElectronicsShopContracts.ViewModels;
using ElectronicsShopDataBaseImplement.Models;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Security;
using System.Numerics;
using System.Text;
using System.Threading.Tasks;

namespace ElectronicsShopDataBaseImplement.Implements {
	public class PaymeantStorage : IPaymeantStorage {
		public PaymeantViewModel? Insert(PaymeantBindingModel model) {
			var newPayment = Paymeant.Create(model);
			if (newPayment == null) {
				return null;
			}
			using var context = new Database();
			context.Paymeants.Add(newPayment);
			context.SaveChanges();
			return newPayment.GetViewModel;
		}

		public PaymeantViewModel? UpdatePay(PaymeantBindingModel model) {
			using var context = new Database();
			var paymeant = context.Paymeants.FirstOrDefault(x => x.ID == model.ID);
			if (paymeant == null) {
				return null;
			}
			paymeant.Update(model);
			context.SaveChanges();
			return paymeant.GetViewModel;
		}

		public PaymeantViewModel? GetElement(PaymeantSearchModel model) {
			using var context = new Database();
			if (model.OrderID.HasValue) {
				return context.Paymeants.FirstOrDefault(x => x.OrderID == model.OrderID)?.GetViewModel;
			}
			return context.Paymeants
				.FirstOrDefault(x => (model.ID.HasValue && x.ID == model.ID))?.GetViewModel;
		}

		public List<PaymeantViewModel> GetFillteredList(PaymeantSearchModel model) {
			using var context = new Database();
			if (!model.ID.HasValue && model.DateFrom.HasValue && model.DateTo.HasValue) {
				return context.Paymeants
					.Where(x => x.DatePaymeant >= model.DateFrom && x.DatePaymeant <= model.DateTo)
					.Select(x => x.GetViewModel)
					.ToList();	
			}
			else if (model.ClientID.HasValue) {

				return context.Paymeants
					.Where(x => x.ClientID == model.ClientID).Select(x => x.GetViewModel).ToList();
			}
			return context.Paymeants
					.Where(x => x.OrderID == model.OrderID)
					.Select(x => x.GetViewModel)
					.ToList();
		}

		public List<PaymeantViewModel>? GetFullList() {
			using var context = new Database();
			return context.Paymeants.Select(x => x.GetViewModel).ToList();
		}
	}
}