using Microsoft.Extensions.Logging;
using ServiceStationContracts.BusinessLogic;
using ServiceStationContracts.HelperModels;
using ServiceStationContracts.SearchModels;
using ServiceStationContracts.StorageContracts;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ServiceStationBusinessLogic.BusinessLogic
{
    public class WorkClientLogic : IWorkClientLogic {

        private readonly ILogger _logger;
        private readonly IWorkClientStorage _storage;
        private readonly IWorkStorage _workStorage;
        private readonly IClientStorage _clientStorage;

        public WorkClientLogic(ILogger<WorkClientLogic> logger, IWorkClientStorage storage, IWorkStorage workStorage, IClientStorage clientStorage) {
            _logger = logger;
            _storage = storage;
            _workStorage = workStorage;
            _clientStorage = clientStorage;
        }

        public bool Add_Points(WorkClientModel model) {
            CheckModel(model);
            if (!_storage.Add_Points(model)) {
                _logger.LogWarning("Add_Points operatin failed");
                return false;
            }
            return true;
        }

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

		private void CheckModel(WorkClientModel model) {
            if (model.Point_count < 0) {
                throw new ArgumentNullException("Нельзя ставить отрицательное количество баллов");
            }
            var work = _workStorage.GetElement(new ServiceStationContracts.SearchModels.WorkSearchModel { Id = model.Work_Id });
            var client = _clientStorage.GetElement(new ServiceStationContracts.SearchModels.ClientSearchModel { Id = model.Client_Id });

            if (work == null || client == null) {
                throw new ArgumentNullException("Нет такой работы или такого клиента");
            }
        }
    }
}