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

namespace FlowerShopBusinessLogic.BusinessLogic
{
	public class MessageInfoLogic : IMessageInfoLogic
	{
		private readonly ILogger _logger;
		private readonly IMessageInfoStorage _messageInfoStorage;
		public MessageInfoLogic(ILogger<MessageInfoLogic> logger, IMessageInfoStorage MessageInfoStorage)
		{
			_logger = logger;
			_messageInfoStorage = MessageInfoStorage;
		}

		public bool Create(MessageInfoBindingModel model)
		{
			if (_messageInfoStorage.Insert(model) == null)
			{
				_logger.LogWarning("Insert operation failed");
				return false;
			}
			return true;
		}

		public List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model)
		{
			_logger.LogInformation("ReadList. MessageId:{MessageId}.ClientId:{ClientId} ", model?.MessageId, model?.ClientId);
			var list = (model == null) ? _messageInfoStorage.GetFullList() : _messageInfoStorage.GetFilteredList(model);
			if (list == null)
			{
				_logger.LogWarning("ReadList return null list");
				return null;
			}
			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
			return list;
		}
		public MessageInfoViewModel? ReadElement(MessageInfoSearchModel model)
		{
			_logger.LogInformation("ReadElement. MessageId:{MessageId}", model?.MessageId);
			if (model == null)
				throw new ArgumentNullException(nameof(model));
			var element = _messageInfoStorage.GetElement(model);
			if (element == null)
			{
				_logger.LogWarning("ReadElement element not found");
				return null;
			}
			_logger.LogInformation("ReadElement find. Id:{Id}", element.MessageId);
			return element;
		}
		public bool Update(MessageInfoBindingModel model)
		{
			if (_messageInfoStorage.Update(model) == null)
			{
				_logger.LogWarning("Update operation failed");
				return false;
			}
			return true;
		}
	}
}