#!/usr/bin/env node --harmony

// Requiring npm modules
var program = require('commander')
var shell = require('shelljs')
var fs = require('fs-extra')
var chalk = require('chalk')
var validator = require('validator')

// Requiring Actions
var createProxyServer = require('./actions/createProxyServer')

// 
var isFQDN = validator.isFQDN

/*
//Detect Linux or BSD
var isLin = /^linux|^bsd/.test(process.platform)

//Throw if OS is not Linux or BSD
if(!isLin) {
	shell.echo("\nThis is not a Linux or freeBSD distribution. I'm not written for this distro. Please raise an issue at " + chalk.cyan("https://github.com/codefeathers/up-serve") + " if you want `up` to be ported for your distro")
	shell.exit(1)
}

//Throw if Nginx is not found
if (!shell.which('nginx')) {
	shell.echo('I need nginx to work. Install nginx first. https://nginx.org/')
	shell.exit(1)
}
*/

program
	.version('0.0.1')

program
	.command('static <domain> [relativePath] [outPort]')
	.description('Create a static server at this folder.')
	.action(function(domain, relativePath="", outPort="") {
		if(!isFQDN(domain)) console.log('\nDomain is not valid. Please use a valid domain name.')
		// Stuff happens here
	})

program
	.command('proxy <domain> <inPort> [outPort]')
	.description('Create a proxy server, listening at port number.')
	.action(function(domain, inPort, outPort = "") {
		var validInPort = /^\d+$/.test(inPort)
		var validOutPort = /^\d+$/.test(outPort)
		if(!isFQDN(domain)) {
			console.log('\nDomain is not valid. Please use a valid domain name.')
			return; }
		if(!validInPort || !validOutPort) {
			if (!((validInPort > 0 && validInPort <= 65535) && (validOutPort > 0 && validOutPort <= 65535))) {
				console.log('\nPort should be a number from 1 and 65535.')
				return; }
			console.log('\nPort should be a number.')
			return; }
		else {
			//createProxyServer(domain, inPort)
			console.log('Done!')
		}
	})
	
program
	.command('list')
	.description('List all available servers.')
	.action(function() {
		// Stuff happens here
	})
	
program
	.command('kill <domain>')
	.description('Kill a server.')
	.action(function(domain) {
		// Stuff happens here
	})

program
	.command('*')
	.action(function() {
		console.log("Invalid command. Type " + chalk.cyan('up --help') + " for help.")
	})
	
program.on('--help', function(){
	console.log('');
	console.log('  Usage:');
	console.log('');
	console.log('   ', chalk.yellow('$ up'), chalk.cyan('static'), chalk.blue('domain-name'), chalk.grey('relative-path(optional)'));
	console.log('      Set up a static server at domain-name');
	console.log('');
	console.log('   ', chalk.yellow('$ up'), chalk.cyan('proxy'), chalk.blue('domain-name port-number'));
	console.log('      Set up a proxy server listening at port-number');
	console.log('');
	});

program.parse(process.argv);