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


namespace ElectronicsShopBusinessLogic.BusinessLogic
{
    public class PayLogic : IPaymentLogic
    {
        private readonly ILogger _logger;
        private readonly IPaymentStorage _storage;

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

        public PaymentViewModel? ReadElement(PaymentSearchModel 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<PaymentViewModel>? ReadList(PaymentSearchModel? 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 null;
            
        }
        
        private void CheckModel(PaymentBindingModel model, bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (model.SumPayment <= 0)
            {
                throw new ArgumentNullException("Цена продукта должна быть больше 0", nameof(model.SumPayment));
            }
            _logger.LogInformation($"Payment. ID:{model.ID}.ProductID:{model.ProductID}.Sum:{model.SumPayment}.OrderID:{model.OrderID}.PayOption{model.PayOption}");
            var element = _storage.GetElement(new PaymentSearchModel { ID = model.ID });
            if (element != null && element.PayOption != model.PayOption)
            {
                throw new InvalidOperationException("Продукт с таким названием уже есть");
            }
        }
    }
}