using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Newtonsoft.Json;
using NPoco;
using POSV.Entity;

namespace POSV.ShoppingCart
{
    [Serializable]
    [JsonObject(MemberSerialization.OptIn)]
    [TableName("pos_order_item_promotion")]
    [PrimaryKey(new string[] { "id" } , AutoIncrement = false)]
    public  class PromotionItem : BaseEntity,IEqualityComparer<PromotionItem>
    {
        public PromotionItem()
        {
            
        }

        /// <summary>
        /// 租户ID
        /// </summary>
        [JsonProperty(PropertyName = "tenantId")]
        [Column("tenantId")]
        public string TenantId { get; set; }

        /// <summary>
        /// 订单ID
        /// </summary>
        [JsonProperty(PropertyName = "orderId")]
        [Column("orderId")]
        public string OrderId { get; set; }

        /// <summary>
        /// 订单号
        /// </summary>
        [JsonProperty(PropertyName = "tradeNo")]
        [Column("tradeNo")]
        public string TradeNo { get; set; }

        /// <summary>
        /// ItemId
        /// </summary>
        [JsonProperty(PropertyName = "itemId")]
        [Column("itemId")]
        public string ItemId { get; set; }
        
        /// <summary>
        /// 优惠类型
        /// </summary>
        [JsonProperty(PropertyName = "promotionType")]
        [Column("promotionType")]
        public PromotionType PromotionType { get; set; }

        /// <summary>
        /// 优惠前的金额
        /// </summary>
        [JsonProperty(PropertyName = "amount")]
        [Column("amount")]
        public decimal Amount { get; set; }
            
        /// <summary>
        /// 优惠金额
        /// </summary>
        [JsonProperty(PropertyName = "discountAmount")]
        [Column("discountAmount")]
        public decimal DiscountAmount { get; set; }

        /// <summary>
        /// 优惠后的金额
        /// </summary>
        [JsonProperty(PropertyName = "receivableAmount")]
        [Column("receivableAmount")]
        public decimal ReceivableAmount { get; set; }

        /// <summary>
        /// 优惠率
        /// </summary>
        [JsonProperty(PropertyName = "discountRate")]
        [Column("discountRate")]
        public decimal DiscountRate { get; set; }

        /// <summary>
        /// 是否启用该优惠
        /// </summary>
        [JsonProperty(PropertyName = "enabled")]
        [Column("enabled")]
        public bool Enabled { get; set; } = false;

        /// <summary>
        /// 整单优惠分摊对应的关系
        /// </summary>
        [JsonProperty(PropertyName = "relationId")]
        [Column("relationId")]
        public string RelationId { get; set; } = string.Empty;

        /// <summary>
        /// 订单完成时间(格式:yyyy-MM-dd HH:mm:ss)
        /// </summary>
        [JsonProperty(PropertyName = "finishDate")]
        [Column("finishDate")]
        public string FinishDate { get; set; } = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");

        /// <summary>
        /// 方案编号
        /// </summary>
        [JsonProperty(PropertyName = "planNo")]
        [Column("planNo")]
        public string PlanNo { get; set; }

        /// <summary>
        /// 议价的价格,用于单品议价优惠计算
        /// </summary>
        [Ignore]
        public decimal DiscountPrice { get; set; }


        private string _planName = string.Empty;
        /// <summary>
        /// 方案名称
        /// </summary>
        [JsonProperty(PropertyName = "planName")]
        [Column("planName")]
        public string PlanName
        {
            get
            {
                if (string.IsNullOrEmpty(_planName))
                {
                    return this.PromotionType.ToString();
                }
                else
                {
                    return _planName;
                }
            }
            set
            {
                _planName = value;
            }
        }

        /// <summary>
        /// 扩展字段1
        /// </summary>
        [JsonProperty(PropertyName = "ext1")]
        [Column("ext1")]
        public string Ext1 { get; set; }

        /// <summary>
        /// 优惠券ID
        /// </summary>
        [Ignore]
        public string CouponId { get; set; }

        public override string ToString()
        {
            return string.Format("{0},优惠{1}元",this.PromotionType.ToString(),this.DiscountAmount.ToString("0.00"));
        }

        public bool Equals(PromotionItem x , PromotionItem y)
        {
            return x.Id.Equals(y.Id);
        }

        public int GetHashCode(PromotionItem obj)
        {
            if (obj == null)
                return 0;

            return obj.GetHashCode();
        }
        /// <summary>
        /// 套餐主菜的优惠
        /// </summary>
        [Ignore]
        public decimal MainProductRate { get; set; }
    }

    public enum PromotionType
    {
        None = -1,
        赠送 = 0,
        折扣 = 1,
        优惠券 = 2,
        会员价 = 3,
        满减 = 4,
        满送 = 5,
        议价 = 6,
        兑换 = 7,
        立减 = 8,
        整单立减 = 9,
        免单 = 10,
        会员等级优惠 = 11,

        做法折扣 = 12,

        整单折扣 = 21,        
        整单议价= 26,

        外卖扣费=30,
        企迈订单优惠 = 31,

        道菜分摊 = 50,

        卡友日 = 60,
        满减促销 = 61,
        商品促销 = 62,
        实体优惠券 = 63,
        双数特价优惠 = 64,
        双数特价赠送 = 65,
        商品优惠券 = 66,


        电子代金券 = 80,
        电子折扣券 = 81,
        电子兑换券 = 82,
        电子商品券 = 83,

        美团团购券 = 90,
    }
}