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

namespace ServiceSourceBusinessLogic.BusinessLogic {
	public class ReportLogic : IReportLogic {

		private readonly ILogger _logger;
		private readonly ITaskStorage _storage;

		public ReportLogic(ILogger logger, ITaskStorage storage) {
			_logger = logger;
			_storage = storage;
		}

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

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

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

		public List<TaskViewModel>? ReadList(TaskSearchModel model) {
			_logger.LogInformation($"ReadList. Id:{model?.Id}");
			var list = model == null ? _storage.GetFullList() : _storage.GetFilteredList(model);
			if (list == null) {
				_logger.LogWarning("ReadList return null list");
				return null;
			}
			_logger.LogInformation($"ReadList. Count:{list.Count}");
			return list;
		}

		private void CheckModel(ReportBindingModel model, bool withParams = true) {
			if (model == null) {
				throw new ArgumentNullException(nameof(model));
			}
			if (!withParams) {
				return;
			}
			if (string.IsNullOrEmpty((model.Id).ToString())) {
				throw new ArgumentNullException("Нет Id отчета", nameof(model.Id));
			}
			if (model.Count == 0) {
				throw new ArgumentNullException("Нет отчетов", nameof(model.Id));
			}
			_logger.LogInformation($"Report. Id:{model.Id}.Count:{model.Count}");
		}
	}
}