'use strict';

const express = require('express');

const modem = require('../modem');

const router = express.Router();
module.exports = router;


async function handlerIndex(req, res) {
    if (!req.query || !req.query.code || typeof req.query.code !== 'string') {
        res.json({
            status: 'NOT-OK',
            error: 'INVALID-PARAMETER',
            message: 'Undefined parameter: code',
        });
    }

    const reply = await modem.executeUSSD(req.query.code);
    res.json({
        status: 'OK',
        error: false,
        code: req.query.code,
        result: reply,
        message: 'USSD executed',
    });
}

router.get('/', handlerIndex);