cli.js

#!/usr/bin/env node

const yargs = require('yargs');
const ora = require('ora');
const request = require('request');
const moment = require('moment');
const path = require('path');
const fs = require('fs');
const { error, baseUrl } = require('./constants');
const { apiKey } = require('./secrets');

/**
 * To test over local data instead of API call
 */
// const body = require('./sampledata');
const { randomText, showMessage, displayCalendar } = require('./functions');

/**
 * Creates the default object to call GET Request to CricAPI
 */
const RequestCricApi = request.defaults({
	baseUrl,
	headers: {
		apikey: apiKey
	}
});

//  to check whether CLI is working or not
//  console.log('Hellow World');
/**
 *  Command Line Interface for the application
 */
const argv = yargs
	.usage('$0 <command> [args]')
	.command('calendar', 'Get Calendar for upcoming matches', (yargCalendar) => {
		/**
     *   Get all options for `calendar` command
     */
		const calendar = yargCalendar
			.usage('Usage: $0 calendar [options]')
			.alias('d', 'days')
			.describe('d', 'Number of days from today')
			.number('d')
			.example('$0 calendar -d 15').argv;

		const spinner = ora('Fetching Data').start();

		/**
     * days Number of days for which the calendar is to be generated for
     */
		const days = calendar.d || 5;

		if (days < 0) {
			spinner.stop();
			showMessage(error.DAYS_INP_ERR);
			return;
		}

		/**
     * Fetches Data from the API
     */
		RequestCricApi('matchCalendar', (err, res, body) => {
			spinner.stop();

			if (err) {
				showMessage(error.REQ_ERR);
			} else {
				displayCalendar(days, body);
			}
		});
	})
	.command('configure', 'Set API for cricAPI', (yargAPI) => {
		/**
     * Get all the options set for 'configure' command
     */
		const apikey = yargAPI
			.usage('Usage: $0 configure [options]')
			.alias('api', 'apikey')
			.describe('api', 'API key as provided by cricApi')
			.string('api')
			.example('$0 configure -api xxxxxxxxxxxxxx').argv;

		const newApi = apikey.api || '';

		if (newApi === '') {
			showMessage(error.MSG, "You Haven't changed the API");
			return;
		}
		const tempObj = { apiKey: newApi };
		fs.writeFileSync(path.resolve(__dirname, 'secrets.json'), JSON.stringify(tempObj, null, 2), 'utf8');
		showMessage(error.MSG, `API Key successfully updated to ${newApi}`);
	})
	.help('h')
	.alias('h', 'help').argv;