package videomoderation

import (
	"crypto/sha256"
	"fmt"
	video_moderation_proto "service/api/proto/video_moderation/proto"
	"service/library/logger"
	"strings"
)

func VerifySign(req *video_moderation_proto.ExtVideoModerationReq) error {
	uid := _defaultConfig.AliAcctId
	seed := _defaultConfig.Seed
	content := req.Content

	signStr := uid + seed + content
	// sha256加密
	hash := sha256.Sum256([]byte(signStr))
	// 验签
	signedStr := fmt.Sprintf("%X", hash)
	signedStr = strings.ToLower(signedStr)
	if req.CheckSum != signedStr {
		logger.Info("content:")
		fmt.Printf("%s\n", req.Content)
		logger.Info("checksum:")
		fmt.Printf("%s\n", req.CheckSum)
		logger.Info("signedStr:")
		fmt.Printf("%s\n", signedStr)
		fmt.Printf("verify sign failed\n")
		return fmt.Errorf("verify sign failed")
	}
	return nil
}