using ComputerShopContracts.BindingModels;
using ComputerShopContracts.BusinessLogicContracts;
using ComputerShopContracts.SearchModels;
using ComputerShopContracts.StorageContracts;
using ComputerShopContracts.ViewModels;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace ComputerShopBusinessLogic.BusinessLogics
{
	public class RequestLogic : IRequestLogic
	{
		private readonly ILogger _logger;
		private readonly IRequestStorage _requestStorage;
		public RequestLogic(ILogger<RequestLogic> logger, IRequestStorage requestStorage)
		{
			_logger = logger;
			_requestStorage = requestStorage;
		}

		public List<RequestViewModel>? ReadList(RequestSearchModel? model)
		{
			var list = (model == null ) ? _requestStorage.GetFullList() : _requestStorage.GetFilteredList(model);
			if (list == null)
			{
				_logger.LogWarning("Null list");
				return null;
			}
			return list;
		}

		public RequestViewModel? ReadElement(RequestSearchModel model)
		{
			if (model == null)
			{
				throw new ArgumentNullException(nameof(model));
			}

			var element = _requestStorage.GetElement(model);
			if (element == null)
			{
				_logger.LogWarning("ReadElement request not found");
				return null;
			}
			return element;
		}

		public bool Create(RequestBindingModel model)
		{
			CheckModel(model);
			if (_requestStorage.Insert(model) == null)
			{
				_logger.LogWarning("Insert failed");
				return false;
			}
			return true;
		}

		public bool Update(RequestBindingModel model)
		{
			CheckModel(model);
			if (_requestStorage.Update(model) == null)
			{
				_logger.LogWarning("Update failed");
				return false;
			}
			return true;
		}

		public bool ConnectRequestAssembly(int requestId, int assemblyId)
		{
			_logger.LogInformation("Connect Assembly {rId} with request {aId}", requestId, assemblyId);
			return _requestStorage.ConnectRequestAssembly(requestId, assemblyId);
		}

		public bool Delete(RequestBindingModel model)
		{
			CheckModel(model, false);
			_logger.LogInformation("Delete. Id:{Id}", model.Id);
			if (_requestStorage.Delete(model) == null)
			{
				_logger.LogWarning("Delete operation failed");
				return false;
			}
			return true;
		}

	}
}