package service

import (
	"encoding/json"
	"fmt"
	"github.com/go-kratos/kratos/v2/transport/http"
	"strings"
	"time"
	v1 "voucher/api/v1"
	"voucher/internal/pkg/cmb"
	"voucher/internal/pkg/helper"
)

func (s *VoucherService) CmbOrderMock(ctx http.Context) error {

	var req *v1.CmbOrderRequest
	if err := ctx.BindForm(&req); err != nil {
		return err
	}

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

	bizJsonStr := string(bizJsonBytes)

	// 我们的sm2 公钥加密
	// 请求到我们这边 使用 我们的私钥解密
	encryptBody, err := cmb.Encrypt(s.bc.Cmb.Sm2Puk, bizJsonStr)
	if err != nil {
		return err
	}

	date := time.Now().Format("20060102150405")

	reply := &v1.CmbRequest{
		Mid:         s.bc.Cmb.Mid,
		Aid:         s.bc.Cmb.Aid,
		Date:        date,
		Random:      string(cmb.RandomBytes(16)),
		KeyAlias:    s.bc.Cmb.KeyAlias,
		CmbKeyAlias: s.bc.Cmb.CmbKeyAlias,
		EncryptBody: encryptBody,
		Sign:        "",
	}

	kvRows := helper.SortStructFieldsByKey(reply)

	var strToBeSigned strings.Builder
	for _, kv := range kvRows {
		if kv.Key == "sign" {
			continue
		}
		if kv.Value == "" {
			continue
		}
		strToBeSigned.WriteString(fmt.Sprintf("%s=%s&", kv.Key, kv.Value))
	}

	str := fmt.Sprintf("/voucher/cmb/v1/order?%s", strings.TrimRight(strToBeSigned.String(), "&"))

	sing, err := cmb.Sign(s.bc.Cmb.CmbSm2Pik, str)
	if err != nil {
		return err
	}
	reply.Sign = sing

	return ctx.JSON(200, reply)
}

func (s *VoucherService) CmbProductQueryMock(ctx http.Context) error {

	var req v1.CmbQueryProductRequest
	if err := ctx.BindForm(&req); err != nil {
		return err
	}

	if err := req.Validate(); err != nil {
		return err
	}

	reply := &v1.CmbRequest{}

	return ctx.JSON(200, reply)
}