using Atomx.Utils.Extension;

namespace Atomx.Admin.Client.Models
{
    /// <summary>
    /// 产品SKU信息模型
    /// </summary>
    public class ProductSkuModel : IEquatable<ProductSkuModel>
    {
        /// <summary>
        /// 属性ID
        /// </summary>
        public long AttributeId { get; set; }

        /// <summary>
        /// 属性名称
        /// </summary>
        public string AttributeName { get; set; } = string.Empty;

        /// <summary>
        /// 属性值ID
        /// </summary>
        public long ValueId { get; set; }

        /// <summary>
        /// 属性值 Name
        /// </summary>
        public string ValueName { get; set; } = string.Empty;

        /// <summary>
        /// 重量
        /// </summary>
        public decimal Weight { get; set; }

        /// <summary>
        /// 重量单位,1毫克mg，2克g,3千克kg,4吨t，5磅lb，6盎司oz
        /// </summary>
        public int WeightUnit { get; set; }

        public bool Equals(ProductSkuModel? other)
        {
            if (other is null) return false;
            if (ValueId != other.ValueId)
            {
                return AttributeId == other.AttributeId &&
                       ValueId == other.ValueId &&
                       Weight.RemoveTrailingZeros() == other.Weight.RemoveTrailingZeros() &&
                       WeightUnit == other.WeightUnit &&
                       AttributeName == other.AttributeName &&
                       ValueName == other.ValueName;
            }
            else
            {
                return AttributeId == other.AttributeId &&
                       ValueId == other.ValueId &&
                       AttributeName == other.AttributeName;
            }
        }

        public override bool Equals(object obj) => Equals(obj as ProductSkuModel);

        public override int GetHashCode()
        {
            unchecked
            {
                int hash = 17;
                hash = hash * 23 + AttributeId.GetHashCode();
                hash = hash * 23 + ValueId.GetHashCode();
                hash = hash * 23 + Weight.GetHashCode();
                hash = hash * 23 + WeightUnit.GetHashCode();
                hash = hash * 23 + (AttributeName?.GetHashCode() ?? 0);
                hash = hash * 23 + (ValueName?.GetHashCode() ?? 0);
                return hash;
            }
        }
    }
}