#!/usr/bin/env node
const program = require('commander');
const process = require('process');
const Beau = require('../beau');
const yaml = require('js-yaml');
const fs = require('fs');
const { Line, Spinner } = require('clui');
const clc = require('cli-color');
const eyes = require('eyes');

const package = require('../package.json');

program
	.version(package.version)
	.usage(`[options] -r <Request Alias>`)
	.option(
		'-r, --request [request]',
		`The alias for the request you'd like to trigger.`
	)
	.option(
		'-R, --clean-request [request]',
		`The alias for the request you'd like to trigger. This one doesn't format the output.`
	)
	.option(
		'-v, --verbose',
		`Show all the information related to the current request and it's response.`
	)
	.option(
		'-c, --config [file]',
		'Specify your request config file. Defaults to beau.yml in the current directory.',
		'beau.yml'
	)
	.option('-l, --list', `List all requests in the config file.`)
	.option('-L, --clean-list', `List all requests with no formatting.`)
	.option(
		'-t, --truncate [length]',
		`Truncate the content to the given length`
	)
	.parse(process.argv);

if (!fs.existsSync(program.config)) {
	console.error(`The config file, ${program.config} was not found.`);
	process.exit(1);
}

const config = yaml.safeLoad(fs.readFileSync(program.config, 'utf-8'));
const beau = new Beau(config);

if (
	typeof program.list === 'undefined' &&
	typeof program.request === 'undefined' &&
	typeof program.cleanList === 'undefined' &&
	typeof program.cleanRequest === 'undefined'
) {
	program.help();
}

if (program.cleanList) {
	beau.requests.list.forEach(({ VERB, ALIAS, ENDPOINT }) => {
		console.log(`${VERB}\t${ALIAS}\t${ENDPOINT}`);
	});
}

if (program.list) {
	new Line()
		.padding(2)
		.column('HTTP Verb', 20, [clc.cyan])
		.column('Alias', 30, [clc.cyan])
		.column('Endpoint', 20, [clc.cyan])
		.output();

	beau.requests.list.forEach(({ VERB, ALIAS, ENDPOINT }) =>
		new Line()
			.padding(2)
			.column(VERB, 20, [clc.yellow])
			.column(ALIAS, 30, [clc.yellow])
			.column(ENDPOINT)
			.output()
	);

	new Line().output();
}

if (program.cleanRequest) {
	beau.requests.execByAlias(program.cleanRequest).then(res => {
		let {status, headers, body} = res.response;
		let {endpoint} = res.request;

		process.stdout.write(status + '\n');
		process.stdout.write(endpoint + '\n');
		process.stdout.write(JSON.stringify(headers) + '\n');
		process.stdout.write(JSON.stringify(body) + '\n');
	});
}

if (program.request) {
	const spinner = new Spinner(clc.yellow(`Requesting: ${program.request}`));

	spinner.start();

	beau.requests
		.execByAlias(program.request)
		.then(res => {
			spinner.stop();

			let { status, body } = res.response;
			let { endpoint } = res.request;

			status = status.toString().startsWith(2)
				? clc.green(status)
				: clc.red(status);

			new Line()
				.padding(2)
				.column('Status', 20, [clc.cyan])
				.column('Endpoint', 20, [clc.cyan])
				.output();

			new Line()
				.padding(2)
				.column(status, 20)
				.column(endpoint)
				.output();

			new Line().output();

			let maxLength = +(program.truncate || res.length);
			let inspect = eyes.inspector({ maxLength });

			if (program.verbose) {
				inspect(res);
			} else {
				inspect(body);
			}

			process.exit(0);
		})
		.catch(function(err) {
			new Line().output();
			console.error(err);
			process.exit(1);
		});
}