using ElectronicsShopContracts.BindingModels;
using ElectronicsShopContracts.BusinessLogicContracts;
using ElectronicsShopContracts.SearchModels;
using ElectronicsShopContracts.StorageContracts;
using ElectronicsShopContracts.ViewModels;
using ElectronicsShopDataModels.Enums;
using Microsoft.Extensions.Logging;


namespace ElectronicsShopBusinessLogic.BusinessLogic
{
    public class PaymeantLogic : IPaymeantLogic
    {
        private readonly ILogger _logger;
        private readonly IPaymeantStorage _storage;

        public PaymeantLogic(ILogger<PaymeantLogic> logger, IPaymeantStorage storage) {
            _logger = logger;
            _storage = storage;
        }

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

        public PaymeantViewModel? ReadElement(PaymeantSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation($"ReadElement.ProductID:{model.ProductID}.ID:{model.ID}");
            var element = _storage.GetElement(model);
            if (element == null)
            {
                _logger.LogWarning("ReadElement. element not fount");
                return null;
            }
            _logger.LogInformation($"ReadElement.find.ID:{element.ID}");
            return element;
        }
        
        public List<PaymeantViewModel>? ReadList(PaymeantSearchModel? model)
        {
            _logger.LogInformation($"ReadList. ClientID:{model?.ID}");
            var list = model == null ? _storage.GetFullList() : _storage.GetFillteredList(model); ;
            if (list == null)
            {
                _logger.LogWarning("ReadList. return null list");
                return null;
            }
            _logger.LogInformation($"ReadList.Count:{list.Count}");
            return list;
            
        }

		private void CheckModel(PaymeantBindingModel model, bool withParams = true)
        {
            if (!withParams)
            {
                return;
            }
            if (model.SumPayment <= 0)
            {
                throw new ArgumentNullException("Сумма оплаты должна быть больше 0", nameof(model.SumPayment));
            }
            _logger.LogInformation($"Payment. ID:{model.ID}.Sum:{model.SumPayment}.OrderID:{model.OrderID}" +
                                     $".PayOption{model.PayOption}");
        }

		public bool SetFullPayment(PaymeantBindingModel model) {
			throw new NotImplementedException();
		}

		public bool SetPartialPayemnt(PaymeantBindingModel model) {
			throw new NotImplementedException();
		}

        public bool SetStatus(PaymeantBindingModel model, PaymeantOption paymeantOption) {
            CheckModel(model, false);
            model.PayOption = paymeantOption;
            if (_storage.UpdatePay == null) {
                _logger.LogWarning("update operation failed");
                return false;
            }
            return true;
        }
	}
}