package grpc

import (
	"context"
	"fmt"
	"strings"

	ooas "git.loafle.net/overflow/overflow_api_server/golang"
)

func Exec(ctx context.Context, method string, params []string) (string, error) {
	if nil == grpcPool {
		return "", fmt.Errorf("App: GRPC Pool is not initialized")
	}

	var client interface{}
	var err error
	if client, err = grpcPool.Get(); nil != err {
		return "", err
	}
	defer grpcPool.Put(client)

	sm := strings.Split(method, ".")
	si := &ooas.ServerInput{
		Target: sm[0],
		Method: sm[1],
		Params: params,
	}
	var so *ooas.ServerOutput
	if so, err = client.(ooas.OverflowApiServerClient).Exec(ctx, si); nil != err {
		return "", err
	}

	return so.Result, nil
}