package header

import (
	"context"

	"google.golang.org/grpc/metadata"
)

const (
	ClientHeaderKey = "client-id"
	ClientSecretKey = "client-secret"
)

func GetClientCredential(ctx context.Context) (clientId, clientSecret string) {
	// 重上下文中获取认证信息
	md, ok := metadata.FromIncomingContext(ctx)
	if !ok {
		return
	}

	cids := md.Get(ClientHeaderKey)
	sids := md.Get(ClientSecretKey)
	if len(cids) > 0 {
		clientId = cids[0]
	}
	if len(sids) > 0 {
		clientSecret = sids[0]
	}

	return
}