using LawFirmContracts.BindingModels;
using LawFirmContracts.SearchModels;
using LawFirmContracts.StoragesContracts;
using LawFirmContracts.ViewModels;
using LawFirmDatabaseImplement.Models;

namespace LawFirmDatabaseImplement.Implements
{
	public class ClientStorage : IClientStorage
	{
		public ClientViewModel? Delete(ClientBindingModel model)
		{
			using var context = new LawFirmDatabase();
			var res = context.Clients.FirstOrDefault(x => x.Id == model.Id);
			if (res != null)
			{
				context.Clients.Remove(res);
				context.SaveChanges();
			}
			return res?.GetViewModel;
		}
		public ClientViewModel? GetElement(ClientSearchModel model)
		{
			using var context = new LawFirmDatabase();
			if (model.Id.HasValue)
				return context.Clients.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
			if (model.Email != null && model.Password != null)
				return context.Clients
					.FirstOrDefault(x => x.Email.Equals(model.Email)
									  && x.Password.Equals(model.Password))
					?.GetViewModel;
			if (model.Email != null)
				return context.Clients
					.FirstOrDefault(x => x.Email
					.Equals(model.Email))?.GetViewModel;
			return null;
		}
		public List<ClientViewModel> GetFilteredList(ClientSearchModel model)
		{
			if (model == null)
			{
				return new();
			}
			if (model.Id.HasValue)
			{
				var res = GetElement(model);
				return res != null ? new() { res } : new();
			}
			if (model.Email != null)
			{
				using var context = new LawFirmDatabase();
				return context.Clients
					.Where(x => x.Email.Contains(model.Email))
					.Select(x => x.GetViewModel)
					.ToList();
			}
			return new();
		}
		public List<ClientViewModel> GetFullList()
		{
			using var context = new LawFirmDatabase();
			return context.Clients.Select(x => x.GetViewModel).ToList();
		}
		public ClientViewModel? Insert(ClientBindingModel model)
		{
			using var context = new LawFirmDatabase();
			var res = Client.Create(model);
			if (res != null)
			{
				context.Clients.Add(res);
				context.SaveChanges();
			}
			return res?.GetViewModel;
		}
		public ClientViewModel? Update(ClientBindingModel model)
		{
			using var context = new LawFirmDatabase();
			var res = context.Clients.FirstOrDefault(x => x.Id == model.Id);
			res?.Update(model);
			context.SaveChanges();
			return res?.GetViewModel;
		}
	}
}