using Store.Product.Models.Product.Sku;
using System.Linq;

namespace Store.Product.Models.PublishParameters.Price
{
    /// <summary>
    /// 高低价格配置
    /// </summary>
    public class HighLowPrice : PriceConfigBase
    {
        public override PriceStrategyType PriceType => PriceStrategyType.高低价格;

        /// <summary>
        /// 低价倍数
        /// </summary>
        public decimal LowMultiples { get; set; } = 1;
        /// <summary>
        /// 其他倍数
        /// </summary>
        public decimal OtherMultiples { get; set; } = 1;


        /// <summary>
        /// 计算价格
        /// </summary>
        /// <param name="oldPrice"></param>
        /// <returns></returns>
        public override decimal ComputedPrice(decimal oldPrice)
        {
            return oldPrice * OtherMultiples;
        }
        /// <summary>
        /// 计算最低价
        /// </summary>
        /// <param name="oldPrice"></param>
        /// <returns></returns>
        public decimal ComputedLowPrice(decimal oldPrice)
        {
            return oldPrice * LowMultiples;
        }


        public override SkuMaps ComputedPrice(SkuMaps skuMaps)
        {
            decimal minPrice = skuMaps.Min(a => a.Price);
            foreach (var item in skuMaps)
            {
                if (item.Price == minPrice)
                {
                    ComputedLowPrice(item.Price);
                }
                else
                {
                    item.Price = ComputedPrice(item.Price);
                }
            }
            return skuMaps;
        }
    }
}