using FlowerShopContracts.BindingModels;
using FlowerShopContracts.BusinessLogicsContracts;
using FlowerShopContracts.SearchModels;
using FlowerShopContracts.StoragesContracts;
using FlowerShopContracts.ViewModels;
using Microsoft.Extensions.Logging;

namespace FlowerShopBusinessLogic.BusinessLogics
{
	public class MessageInfoLogic : IMessageInfoLogic
	{
		private readonly ILogger _logger;

		private readonly IMessageInfoStorage _messageInfoStorage;
		private readonly IClientStorage _clientStorage;

		public MessageInfoLogic(ILogger<MessageInfoLogic> logger, IMessageInfoStorage messageInfoStorage, IClientStorage clientStorage)
		{
			_logger = logger;
			_messageInfoStorage = messageInfoStorage;
			_clientStorage = clientStorage;
		}

		public List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model)
		{
			_logger.LogDebug("ReadList. MessageId: {MessageId}, ClientId: {ClientId}", model?.MessageId, model?.ClientId);

			var result = model == null ? _messageInfoStorage.GetFullList() : _messageInfoStorage.GetFilteredList(model);

			_logger.LogDebug("ReadList result. Count: {Count}", result.Count);
			return result;
		}

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

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

			return true;
		}

		private void CheckModel(MessageInfoBindingModel model, bool withParams = true)
		{
			if (model == null)
				throw new ArgumentNullException(nameof(model));

			if (!withParams)
				return;

			if (string.IsNullOrEmpty(model.MessageId))
				throw new ArgumentNullException("Не указан id сообщения", nameof(model.MessageId));

			if (string.IsNullOrEmpty(model.SenderName))
				throw new ArgumentNullException("Не указао почта", nameof(model.SenderName));

			if (string.IsNullOrEmpty(model.Subject))
				throw new ArgumentNullException("Не указана тема", nameof(model.Subject));

			if (string.IsNullOrEmpty(model.Body))
				throw new ArgumentNullException("Не указан текст сообщения", nameof(model.Subject));

			_logger.LogInformation("MessageInfo. MessageId: {MessageId}. SenderName: {SenderName}. Subject: {Subject}. Body: {Body}",
				model.MessageId, model.SenderName, model.Subject, model.Body);

			var Element = _clientStorage.GetElement(new ClientSearchModel
			{
				Email = model.SenderName
			});

			if (Element == null)
			{
				_logger.LogWarning("Не удалось найти клиента, отправившего письмо с адреса {Email}", model.SenderName);
			}
			else
			{
				model.ClientId = Element.Id;
			}
		}
	}
}