package biz

import (
	"context"
	"encoding/json"
	"fmt"
	"github.com/go-kratos/kratos/v2/log"
	"github.com/go-kratos/kratos/v2/transport/http"
	"time"
	"voucher/internal/biz/bo"
	"voucher/internal/biz/do"
)

func (v *VoucherBiz) PushWechatQuery(ctx http.Context, req *do.WechatQuery) error {

	if v.Get("CMB_WECHAT_QUERY") {
		return fmt.Errorf("此台服务队列正在处理中,ip:", ctx.Header().Get("X-Forwarded-For"))
	}

	if req.ProductNo != "" {
		_, err := v.ProductRepo.GetByProductNo(ctx, req.ProductNo)
		if err != nil {
			return err
		}
	}

	queue := v.bc.RdsMQ.GetWechatQuery()
	if queue == nil {
		return fmt.Errorf("队列不存在")
	}

	msg, err := json.Marshal(req)
	if err != nil {
		return err
	}

	v.Add("CMB_WECHAT_QUERY")

	_, err = v.rdb.Rdb.RPush(ctx, queue.Name, msg).Result()
	if err != nil {
		v.Remove("CMB_WECHAT_QUERY")
		return fmt.Errorf("添加到队列失败:%v", err)
	}

	return nil
}

func (v *VoucherBiz) WechatQuery(ctx context.Context, msg string) error {

	defer v.Remove("CMB_WECHAT_QUERY")

	var req *do.WechatQuery

	if err := json.Unmarshal([]byte(msg), &req); err != nil {
		return err
	}

	start := time.Now()
	log.Warnf("微信券查询处理开始:%s,msg:%s", start.String(), msg)
	fmt.Printf("微信券查询处理开始:%s,msg:%s", start.String(), msg)

	num := 0
	err := v.OrderRepo.FinSucByStockIdInBatches(ctx, req, func(ctx context.Context, rows []*bo.OrderBo) error {

		for _, order := range rows {

			num += 1
			if err := v.wechatQuery(ctx, order); err != nil {
				log.Errorf("微信查询券订单状态发生错误,msg:%s,orderNo:%s,couponId:%s,appId:%s,openId:%s,err:%v",
					msg, order.OrderNo, order.VoucherNo, order.AppID, order.Account, err)
			}

		}

		time.Sleep(1 * time.Second)

		return nil
	})

	log.Warnf("微信券查询处理耗时:%s,msg:%s,处理%d单", time.Now().Sub(start).String(), msg, num)
	fmt.Printf("微信券查询处理耗时:%s,msg:%s,处理%d单", time.Now().Sub(start).String(), msg, num)

	return err
}

func (v *VoucherBiz) wechatQuery(ctx context.Context, order *bo.OrderBo) error {

	status, err := v.WechatCpnRepo.Query(ctx, order)
	if err != nil {
		return err
	}

	if status.IsUse() {
		return v.queryUsed(ctx, order)
	} else if status.IsExpired() {
		return v.expired(ctx, order)
	}

	return nil
}

func (v *VoucherBiz) queryUsed(ctx context.Context, order *bo.OrderBo) error {

	if order.Status.IsUse() {
		log.Warnf("券状态已是已使用，忽略不处理,orderNo:%s", order.OrderNo)
		return nil
	}

	if err := v.OrderRepo.Used(ctx, order.ID); err != nil {
		return err
	}

	return v.notify(ctx, order)
}