using System;
using SlimDomainModel;

namespace EventSourcing.Demo.Large
{
    public class WarehouseProduct
    {
        public string Sku { get; private set; }
        public string Name { get; private set; }
        public string Description { get; private set; }
        public decimal Price { get; private set; }
        public int QuantityOnHand { get; private set; }

        public void SetName(string name)
        {
            if (string.IsNullOrWhiteSpace(name))
            {
                throw new ArgumentException("Name cannot be blank.");
            }
            
            Name = name;
        }

        public void SetDescription(string description)
        {
            Description = description;
        }
        
        public void SetPrice(decimal price)
        {
            if (price < 0)
            {
                throw new ArgumentException("Price must be greater than 0.");
            }
            
            Price = price;
        }
        
        public void ShipProduct(int quantity)
        {
            if (quantity > QuantityOnHand)
            {
                throw new InvalidDomainException("Ah... we don't have enough product to ship!");
            }

            QuantityOnHand -= quantity;
        }

        public void ReceiveProduct(int quantity)
        {
            QuantityOnHand += quantity;
        }

        public void AdjustInventory(int quantity)
        {
            if (QuantityOnHand + quantity < 0)
            {
                throw new InvalidDomainException("Cannot adjust to a negative quantity on hand.");
            }

            QuantityOnHand += quantity;
        }
    }
}