package pay

import (
	"context"
	"strings"

	"qnc-server/app/main/api/internal/service"
	"qnc-server/app/main/api/internal/svc"
	"qnc-server/app/main/api/internal/types"
	"qnc-server/app/main/model"
	"qnc-server/common/ctxdata"
	"qnc-server/common/xerr"

	"github.com/pkg/errors"
	"github.com/zeromicro/go-zero/core/logx"
)

type PaymentCheckLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewPaymentCheckLogic(ctx context.Context, svcCtx *svc.ServiceContext) *PaymentCheckLogic {
	return &PaymentCheckLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *PaymentCheckLogic) PaymentCheck(req *types.PaymentCheckReq) (resp *types.PaymentCheckResp, err error) {
	if strings.HasPrefix(req.OrderNo, "U_") {
		order, findErr := l.svcCtx.OrderModel.FindOneByOrderNo(l.ctx, req.OrderNo)
		if findErr != nil {
			return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "查询升级订单失败: %v", findErr)
		}
		return &types.PaymentCheckResp{Type: "agent_upgrade", Status: order.Status}, nil
	}

	order, findErr := l.svcCtx.OrderModel.FindOneByOrderNo(l.ctx, req.OrderNo)
	if findErr != nil {
		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "查询订单失败: %v", findErr)
	}

	resp = &types.PaymentCheckResp{Type: "query", Status: order.Status}

	// xpay 轮询：pending 时主动查微信单并到账（不通知微信发货）
	if order.Status == model.OrderStatusPending && model.IsXpayOrder(order) &&
		l.svcCtx.XpayService != nil && l.svcCtx.XpayService.Enabled() {
		wxInfo, syncErr := l.syncXpayOrderStatus(order)
		resp.WxOrderStatus = wxInfo.Status
		resp.WxOrderDetail = wxInfo.RawOrder
		if syncErr != nil {
			resp.WxSyncError = syncErr.Error()
			l.Errorf("[xpay] 轮询查单失败 order_no=%s local_status=%s wx_status=%d wx_detail=%s err=%v",
				req.OrderNo, order.Status, wxInfo.Status, wxInfo.RawOrder, syncErr)
		} else if wxInfo.Status > 0 && !service.IsXpayPaidStatus(wxInfo.Status) {
			l.Infof("[xpay] 轮询查单未到账 order_no=%s wx_status=%d wx_detail=%s",
				req.OrderNo, wxInfo.Status, wxInfo.RawOrder)
		}
		order, _ = l.svcCtx.OrderModel.FindOneByOrderNo(l.ctx, req.OrderNo)
		resp.Status = order.Status
	}

	return resp, nil
}

type xpaySyncInfo struct {
	Status   int
	RawOrder string
}

func (l *PaymentCheckLogic) syncXpayOrderStatus(order *model.Order) (xpaySyncInfo, error) {
	info := xpaySyncInfo{}
	userID, err := ctxdata.GetUidFromCtx(l.ctx)
	if err != nil {
		return info, err
	}
	if order.UserId != userID {
		return info, errors.New("无权查询此订单")
	}

	openid, err := l.svcCtx.XpayService.GetWxMiniOpenID(l.ctx, l.svcCtx.UserAuthModel, userID)
	if err != nil {
		return info, err
	}

	l.Infof("[xpay] check sync start order_no=%s openid=%s env=%d", order.OrderNo, openid, l.svcCtx.XpayService.Env())

	status, err := l.svcCtx.XpayService.QueryOrder(l.ctx, openid, order.OrderNo, "")
	if err != nil {
		return info, err
	}
	info.Status = status.Status
	info.RawOrder = status.RawOrder

	if service.IsXpayPaidStatus(status.Status) {
		_, fulfillErr := fulfillQueryOrderPaid(l.ctx, l.svcCtx, order, status.WxOrderID, status.PaidFee)
		if fulfillErr != nil {
			return info, fulfillErr
		}
		l.Infof("[xpay] check sync paid order_no=%s wx_order_id=%s paid_fee=%d",
			order.OrderNo, status.WxOrderID, status.PaidFee)
		return info, nil
	}

	if service.IsXpayClosedStatus(status.Status) {
		order.Status = "closed"
		if updateErr := l.svcCtx.OrderModel.UpdateWithVersion(l.ctx, nil, order); updateErr != nil {
			return info, updateErr
		}
		l.Infof("[xpay] check sync closed order_no=%s wx_status=%d", order.OrderNo, status.Status)
		return info, nil
	}

	return info, nil
}