using TravelCompanyContracts.BindingModels;
using TravelCompanyContracts.SearchModels;
using TravelCompanyContracts.StoragesContracts;
using TravelCompanyContracts.ViewModels;
using TravelCompanyDatabaseImplement.Models;

namespace TravelCompanyDatabaseImplement.Implements
{
	public class MessageInfoStorage : IMessageInfoStorage
	{

		public List<MessageInfoViewModel> GetFullList()
		{
			using var context = new TravelCompanyDataBase();
			return context.MessageInfos
					.Select(x => x.GetViewModel)
					.ToList();
		}

		public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
		{
			if (!model.ClientId.HasValue)
			{
				return new();
			}
			using var context = new TravelCompanyDataBase();
			return context.MessageInfos
				.Where(x => x.ClientId.HasValue && x.ClientId == model.ClientId)
				.Select(x => x.GetViewModel)
				.ToList();
		}

		public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
		{
			if (string.IsNullOrEmpty(model.MessageId))
			{
				return new();
			}
			using var context = new TravelCompanyDataBase();
			return context.MessageInfos
				.FirstOrDefault(x => model.MessageId.Equals(x.MessageId))
				?.GetViewModel;
		}

		public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
		{
			var newMessage = MessageInfo.Create(model);
			if (newMessage == null)
			{
				return null;
			}
			using var context = new TravelCompanyDataBase();
			context.MessageInfos.Add(newMessage);
			context.SaveChanges();
			return newMessage.GetViewModel;
		}
	}
}