package recook

import (
	"errors"
	"github.com/jinzhu/gorm"
	"github.com/shopspring/decimal"
	"recook/internal/v2/logic/pay"
	"recook/internal/v2/model/recook/after"
	user2 "recook/internal/v2/model/recook/user"
)

func Refund(tx *gorm.DB, asGoods *after.RecookAfterSalesGoodsModel) error {
	var wallet user2.RecookUserWalletModel
	tx.First(&wallet, "user_id = ?", asGoods.UserId)

	if asGoods.RefundAmount.GreaterThan(decimal.NewFromFloat(0.0)) {
		if err := tx.Model(&wallet).Updates(map[string]interface{}{
			"balance": wallet.Balance.Add(asGoods.RefundAmount),
		}).Error; err != nil {
			return err
		}

		recookUserWalletBalanceListModel := &user2.RecookUserWalletBalanceListModel{
			UserId:       wallet.UserId,
			IncomeType:   user2.RecookUserWalletBalanceListIncomeTypeRefund, // 订单退款
			Amount:       asGoods.RefundAmount,
			Title:        asGoods.GoodsName,
			Comment:      "商品退款-退回",
			OrderId:      asGoods.OrderId,
			OrderGoodsId: asGoods.OrderGoodsId,
			OrderTime:    asGoods.OrderTime,
		}
		recookUserWalletBalanceListModel.SetDb(tx)
		recookUserWalletBalanceListModel.Create(recookUserWalletBalanceListModel)
		if recookUserWalletBalanceListModel.Id == 0 {
			return errors.New("系统异常")
		}
	}

	return pay.SyncRefundSuccessCallback(tx, asGoods)
}