package service

import (
	"ElectronicInvoice/internal/consts"
	"ElectronicInvoice/util"
	"context"
	"fmt"
	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/net/ghttp"
	"github.com/gogf/gf/v2/util/gconv"
	"strings"
	"time"
)

// InvoicingCallBackLogic 开票回调逻辑
func InvoicingCallBackLogic(r *ghttp.Request) error {
	tType := r.Get("type").Int() //type [0 需要活体检测;1 成功 返回base64]
	switch tType {
	case 0: //需要活体检测
		if err := util.SendQrImage2ChatBot(r.Get("img").String()); err != nil {
			return gerror.Wrap(err, "发送活体检测消息出错")
		}
		g.Log().Info(r.Context(), "蓝票需要活体认证，已发送二维码消息")
	case 1: //开票成功
		var (
			pdfBase64  = r.Get("pdf").String()
			callBackId = r.Get("id").String()
			num        = r.Get("num").String()
			kptime     = r.Get("kptime").String()

			invoiceTime time.Time
			err         error
			path        string
		)
		if pdfBase64 == "" || callBackId == "" || num == "" || kptime == "" {
			return gerror.New("缺少回调参数")
		}

		invoiceTime, err = time.ParseInLocation(consts.DateFormat_Full, kptime, time.Local)
		if err != nil {
			return gerror.Wrap(err, "时间格式化异常")
		}
		path, err = util.SavePdfFile(r.Context(), num, pdfBase64)
		if err != nil {
			return gerror.Wrap(err, "保存pdf文件失败")
		}
		g.Log().Infof(r.Context(), "pdf保存成功 sign:%s filePath:%s ", callBackId, path)
		return updateOrderInvoiceStatus(r.Context(), callBackId, num, invoiceTime, path)
	case 3:
		g.Log().Info(r.Context(), "活体验证已过期，未完成活体验证")
	case 4:
		g.Log().Info(r.Context(), "系统错误")
	case 6:
		g.Log().Info(r.Context(), "税率不存在")
	case 7:
		g.Log().Info(r.Context(), "非数电票试点纳税人，未核定数电票票种，不允许开票或其他原因")
	default:
		g.Log().Infof(r.Context(), "InvoicingCallBackLogic tType:%d", tType)
	}
	return nil
}

// updateOrderInvoiceStatus  开票成功进行数据库操作
// orderCode 订单编号
// invoiceNum 发票号码
// createData 开票时间
// pdfPath 下载地址
func updateOrderInvoiceStatus(ctx context.Context, callBackId, invoiceNum string, invoiceTime time.Time, pdfPath string) error {
	var (
		queryItem  = "order_code"
		queryValue = ""
		err        error
	)

	queryItem, queryValue, err = GetQueryObj(callBackId)
	if err != nil {
		return err
	}
	err = g.DB().Transaction(ctx, func(ctx context.Context, tx gdb.TX) error {
		record, sqlErr := tx.GetOne(fmt.Sprintf("SELECT only_Identifying,invoice_changed FROM invoice WHERE %s =? ORDER BY id desc", queryItem), queryValue)
		if err != nil {
			return gerror.Wrap(sqlErr, "查询订单异常")
		}
		if len(record) == 0 {
			return gerror.Newf("未查询到订单%s", callBackId)
		}

		var (
			invoiceChanged = gconv.Int(record["only_Identifying"]) == 1                        //换票
			isBackInvoice  = strings.HasPrefix(gconv.String(record["only_Identifying"]), "xx") //是否是管理后台的开票
		)

		//更新发票内容
		_, err = tx.Update("invoice", g.Map{
			"invoice_number": invoiceNum,
			"url":            pdfPath,
			"billing_time":   invoiceTime.Unix(),
			"invoice_status": 1,
		}, fmt.Sprintf(" %s = ? ", queryItem), queryValue)
		if err != nil {
			return gerror.Wrap(err, "更新发票状态异常")
		}

		// 管理后台非换票的开票，需要更新订单是否全部开票完成
		if !invoiceChanged && isBackInvoice {
			if sqlErr = selfInvoicing(tx, queryValue); err != nil {
				return gerror.Wrap(sqlErr, "更新订单是否全部开票完成异常")
			}
		}
		return nil
	})

	if err != nil {
		return gerror.Wrap(err, "订单回调更新异常")
	}

	if err = SendInvoiceSuccessMail(ctx, callBackId); err != nil {
		g.Log().Errorf(ctx, "%s 发送邮件失败 err: %v ", callBackId, err)
	}
	return nil
}

// selfInvoicing 自助开票
func selfInvoicing(tx gdb.TX, identifyingValue string) error {
	//自助开票
	res, err := tx.GetOne("SELECT GROUP_CONCAT(order_code) as  order_code  from invoice where only_Identifying=?", identifyingValue)
	if err != nil {
		return gerror.New("自助开票异常")
	}
	orderArr := strings.Split(gconv.String(res["order_code"]), ",")
	for _, v := range orderArr {
		if v == "" {
			continue
		}
		ok, err := invoiceStatusHandle(tx, v)
		if err != nil {
			return gerror.Wrap(err, "回款计算异常")
		}
		updateData := map[string]interface{}{}
		if ok {
			updateData["applybill_status"] = 2
		} else {
			updateData["applybill_status"] = 3
		}
		_, err = tx.Update("dataexport_order", updateData, " order_code=? ", v)
		if err != nil {
			return gerror.Wrapf(err, "自助开票更新订单异常 orderCode:%v %v", v, err)
		}
	}
	return nil
}

// InvoiceStatusHandle 判断是全额还是部分回款
// copy from auth :王浩
func invoiceStatusHandle(tx gdb.TX, orderCode string) (bool, error) {
	orderData, err := tx.GetOne("SELECT pay_money FROM dataexport_order WHERE order_code=?", orderCode)
	if err != nil {
		return false, gerror.Wrap(err, "查询订单价格异常")
	}
	if orderData.IsEmpty() {
		return false, gerror.Wrap(err, "未查询到订单数据")
	}

	invoiceData, err := tx.GetOne("select sum(invoice_order_money) as  money  from  invoice where  order_code=?  and  invoice_status>=0  ", orderCode)
	if err != nil {
		return false, gerror.Wrap(err, "价格计算异常")
	}
	if invoiceData.IsEmpty() {
		return false, gerror.Wrap(err, "未查询到发票数据")
	}

	if gconv.Int64(invoiceData["money"]) == gconv.Int64(orderData["pay_money"]) {
		return true, nil
	}
	return false, nil
}