package logic

import (
	"context"
	"fmt"

	"lone-services/pkg/utils"
	userpb "lone-services/rpc/user/pb"
	"lone-services/services/payment/internal/svc"
)

func loadOpenID(ctx context.Context, userSvcName string, userID int64) (string, error) {
	if userSvcName == utils.StringEmpty {
		return utils.StringEmpty, fmt.Errorf("user service not configured")
	}
	if userID < utils.NumberOne {
		return utils.StringEmpty, fmt.Errorf("invalid user id")
	}

	cli, err := svc.GetRpcClient(userSvcName)
	if err != nil {
		return utils.StringEmpty, err
	}
	info, err := userpb.NewUserClient(cli.Conn()).InternalGetUserInfo(ctx, &userpb.InternalGetUserInfoReq{
		UserId:         userID,
		CredentialType: "openid",
	})
	if err != nil {
		return utils.StringEmpty, err
	}
	if info == nil || info.Identifier == utils.StringEmpty {
		return utils.StringEmpty, fmt.Errorf("openid credential not found")
	}
	return info.Identifier, nil
}