// const moment = require('moment');

const config = require('komodo-sdk/config');
const logger = require('tektrans-logger');

const commands = require('../command-group');
const commandError = require('./error');
const destinationCorrector = require('../destination-corrector');
const coreapi = require('../coreapi');

const coreEndpointAuto = '/buy-or-pay';
const coreEndpointBuy = '/prepaid/buy';

/*
function generateRequestId(product, destination) {
    return `AUTO_${ product.toUpperCase() }_${ destination }_${ moment().format('YYYYMMDD') }`;
}
*/

function help() {
    return 'Untuk pembelian, ketik perintah dengan format: <KODEPRODUK>.<NOMORTUJUAN>.<PIN>';
}

function execute(tokens, params, cb) {
    if (!tokens || tokens.length < 3) {
        const responseParams = {
            body: `${commandError.ERR_INVALID_FORMAT}. ${help()}`,
        };

        cb(null, null, responseParams);
        return;
    }

    if (commands[tokens[0]] !== 'buy') {
        tokens.unshift('buy');
        logger.verbose('Rearrange tokens', { tokens });
    }

    const destination = destinationCorrector((tokens[2] || '').trim());

    const coreParams = {
        origin: params.origin,
        report_ip: params.report_ip,
        report_port: params.report_port,
        terminal_name: params.from,
        product_name: (tokens[1] || '').trim().toUpperCase(),
        destination,
        password: tokens[3],
        request_id_suffix: tokens[4] || '',
        postpaid: 0,
    };

    const coreEndpoint = config.buy_only_prepaid ? coreEndpointBuy : coreEndpointAuto;
    coreapi(coreEndpoint, coreParams, 'GET', cb);
}

module.exports = execute;