using Microsoft.Extensions.Logging;
using ServiceStationContracts.BusinessLogic;
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(WorkClientBindingModel model) {
            CheckModel(model);
            if (!_storage.Add_Points(model)) {
                _logger.LogWarning("Add_Points operatin failed");
                return false;
            }
            return true;
        }

        private void CheckModel(WorkClientBindingModel 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");
            }
        }
    }
}