using CarServiceContracts.BindingModels;
using CarServiceContracts.SearchModels;
using CarServiceContracts.StorageContracts;
using CarServiceContracts.ViewModels;
using CarServiceDatabase.Models;
using Microsoft.EntityFrameworkCore;

namespace CarServiceDatabase.Implements
{
	public class RepairRequestStorage : IRepairRequestStorage
	{
		public List<RepairRequestViewModel> GetFullList()
		{
			using var context = new CarServiceDbContext();
			return context.RepairRequests
				.Include(x => x.Vehicle)
				.ThenInclude(x => x.Customer)
				.Select(x => x.GetViewModel)
				.ToList();
		}
		public List<RepairRequestViewModel> GetFilteredList(RepairRequestSearchModel model)
		{
			using var context = new CarServiceDbContext();
			return context.RepairRequests
				.Where(x => x.Id == model.Id)
				.Select(x => x.GetViewModel)
				.ToList();
		}
		public RepairRequestViewModel? GetElement(RepairRequestSearchModel model)
		{
			if (model == null)
			{
				return null;
			}
			using var context = new CarServiceDbContext();
			if (model.Id.HasValue)
			{
				return context.RepairRequests
					.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
			}
			return null;
		}
		public RepairRequestViewModel? Insert(RepairRequestBindingModel model)
		{
			using var context = new CarServiceDbContext();
			var newRepairRequest = RepairRequest.Create(context, model);
			if (newRepairRequest != null)
			{
				context.RepairRequests.Add(newRepairRequest);
				context.SaveChanges();
				return newRepairRequest.GetViewModel;
			}
			return null;
		}
		public RepairRequestViewModel? Update(RepairRequestBindingModel model)
		{
			using var context = new CarServiceDbContext();
			var repairRequest = context.RepairRequests.FirstOrDefault(x => x.Id == model.Id);
			if (repairRequest == null)
			{
				return null;
			}
			repairRequest.Update(context, model);
			context.SaveChanges();
			return repairRequest.GetViewModel;
		}
		public RepairRequestViewModel? Delete(RepairRequestBindingModel model)
		{
			using var context = new CarServiceDbContext();
			var repairRequest = context.RepairRequests.FirstOrDefault(x => x.Id == model.Id);
			if (repairRequest == null)
			{
				return null;
			}
			context.RepairRequests.Remove(repairRequest);
			context.SaveChanges();
			return repairRequest.GetViewModel;
		}
	}
}