PIbd-21_Kurs_Work_Hotel/Hotel/HotelBusinessLogic/BusinessLogic/ConferenceBookingLogic.cs

using HotelContracts.BindingModels;
using HotelContracts.BusinessLogicsContracts;
using HotelContracts.SearchModels;
using HotelContracts.StoragesContracts;
using HotelContracts.ViewModels;
using HotelDataModels.Models;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HotelBusinessLogic.BusinessLogic
{
	public class ConferenceBookingLogic : IConferenceBookingLogic
	{
		private readonly ILogger _logger;
		private readonly IConferenceBookingStorage _conferenceBookingStorage;
		public ConferenceBookingLogic(ILogger<ConferenceBookingLogic> logger, IConferenceBookingStorage conferenceBookingStorage)
		{
			_logger = logger;
			_conferenceBookingStorage = conferenceBookingStorage;
		}
		public List<ConferenceBookingViewModel>? ReadList(ConferenceBookingSearchModel? model)
		{
			_logger.LogInformation("ReadList. Id:{ Id}", model?.Id);

			var list = model == null ? _conferenceBookingStorage.GetFullList() : _conferenceBookingStorage.GetFilteredList(model);

			if (list == null)
			{
				_logger.LogWarning("ReadList return null list");
				return null;
			}

			_logger.LogInformation("ReadList. Count:{Count}", list.Count);

			return list;
		}
		public ConferenceBookingViewModel? ReadElement(ConferenceBookingSearchModel model)
		{
			if (model == null)
			{
				throw new ArgumentNullException(nameof(model));
			}

			_logger.LogInformation("ReadElement. Id:{Id}", model.Id);

			var element = _conferenceBookingStorage.GetElement(model);

			if (element == null)
			{
				_logger.LogWarning("ReadElement element not found");
				return null;
			}

			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);

			return element;
		}

		public bool Create(ConferenceBookingBindingModel model)
		{
			CheckModel(model);

			if (_conferenceBookingStorage.Insert(model) == null)
			{
				_logger.LogWarning("Insert operation failed");
				return false;
			}

			return true;
		}
		public bool Update(ConferenceBookingBindingModel model)
		{
			CheckModel(model);

			if (_conferenceBookingStorage.Update(model) == null)
			{
				_logger.LogWarning("Update operation failed");
				return false;
			}

			return true;
		}
		public bool Delete(ConferenceBookingBindingModel model)
		{
			CheckModel(model, false);

			_logger.LogInformation("Delete. Id:{Id}", model.Id);

			if (_conferenceBookingStorage.Delete(model) == null)
			{
				_logger.LogWarning("Delete operation failed");
				return false;
			}

			return true;
		}
		public bool AddDinnerToConferenceBooking(ConferenceBookingSearchModel model, IDinnerModel dinner)
		{
			if (model == null)
			{
				throw new ArgumentNullException(nameof(model));
			}

			_logger.LogInformation("AddDinnerToConferenceBooking. PlaceСonference:{PlaceСonference}.Id:{ Id}", model.PlaceСonference, model.Id);
			var element = _conferenceBookingStorage.GetElement(model);

			if (element == null)
			{
				_logger.LogWarning("AddDinnerToConferenceBooking element not found");
				return false;
			}

			_logger.LogInformation("AddDinnerToConferenceBooking find. Id:{Id}", element.Id);

			element.ConferenceBookingDinners[dinner.Id] = dinner;

			_conferenceBookingStorage.Update(new()
			{
				Id = element.Id,
				PlaceСonference = element.PlaceСonference,
				DateСonference = element.DateСonference,
				ConferenceId = element.ConferenceId,
				AdministratorId = element.AdministratorId,
				ConferenceBookingDinners = element.ConferenceBookingDinners,
			});
			return true;
		}
		private void CheckModel(ConferenceBookingBindingModel model, bool withParams = true)
		{
			if (model == null)
			{
				throw new ArgumentNullException(nameof(model));
			}

			if (!withParams)
			{
				return;
			}

			if (string.IsNullOrEmpty(model.PlaceСonference))
			{
				throw new ArgumentNullException("Нет места конференции", nameof(model.PlaceСonference));
			}

			_logger.LogInformation("ConferenceBooking. PlaceСonference:{PlaceСonference}. Id: { Id}", model.PlaceСonference, model.Id);

		}
	}
}