#!/usr/bin/env node

'use strict'

const path     = require('path')
const minimist = require('minimist')
const findUp   = require('find-up')
const pkg      = require('./../package')

const alias = {
	i: 'ignore',
	p: 'polling',
	v: 'verbose',
	V: 'version'
}

const getRosid = function() {

	const routesPath = findUp.sync([ 'rosidfile.js', 'rosidfile.json' ])

	const Rosid  = require('./../src/index')
	const routes = require(routesPath)

	return Rosid(routes)

}

const serve = function(srcPath, opts) {

	srcPath = path.resolve(srcPath || '')

	getRosid().serve(srcPath, {
		polling : opts.polling,
		verbose : opts.verbose
	})

}

const compile = function(srcPath, distPath, opts) {

	srcPath  = path.resolve(srcPath || '')
	distPath = path.resolve(distPath || 'dist/')

	getRosid().compile(srcPath, distPath, {
		ignore  : opts.ignore,
		verbose : opts.verbose
	})

}

const version = function() {

	console.log(pkg.version)

}

const help = function() {

	console.log(`
		Usage:

		  rosid [command] [options]

		Commands:

		  serve [srcPath] [options]               serve current or specified folder
		  compile [srcPath] [distPath] [options]  compile current or specified folder to static files

		Options:

		  -p, --polling  use polling to watch files over a network or in other non-standard situations
		  -v, --verbose  increase verbosity
		  -V, --version  output the version number
		  -h, --help     output usage information
	`.replace(/\t/g, ' '))

}

const parse = function(argv) {

	// Output the version number
	if (argv.version===true) return version()

	// Output usage information
	if (argv.help===true) return help()

	// Ignore must be an array of strings
	argv.ignore = (typeof argv.ignore==='string' ? [ argv.ignore ] : argv.ignore)

	// Serve current or specified folder
	if (argv._[0]==='serve') return serve(argv._[1], {
		polling : argv.polling,
		verbose : argv.verbose
	})

	// Compile current or specified folder to static files
	if (argv._[0]==='compile') return compile(argv._[1], argv._[2], {
		ignore  : argv.ignore,
		verbose : argv.verbose
	})

	// Show usage information when no known arg was found
	help()

}

parse(minimist(process.argv.slice(2), { alias }))