#!/usr/bin/env node

// load minimist
var minimist = require('minimist')(process.argv.slice(2));

if (minimist.debug) {
	require('coffee-script').register();
}

// load packages
var ascii = require('../cli/lib/ascii')(),
	autocode = require('../' + (minimist.debug ? 'src' : 'lib') + '/autocode'),
	bluebird = require('bluebird'),
	colors = require('colors'),
	fs = require('fs'),
	userHome = require('user-home'),
	yaml = require('js-yaml');
	
// handle uncaught exceptions
process.on('uncaughtException', function (e) {
	if (minimist.debug) {
		throw e;
	}
	console.log(e.message.red);
});

// get commands
var commands = yaml.safeLoad(fs.readFileSync(__dirname + '/../cli/cmd.yml'));

// get project
var project = new autocode();

// validate commands
for (var command in commands) {
	if (!project[command] && command != 'help') {
		throw new Error('Invalid command: ' + command);
	}
}

// get command
var command = minimist._[0] || 'help';

// validate command
if (!commands[command]) {
	throw new Error('Unknown command: ' + command);
}

// display ascii
if (minimist.debug || command == 'help') {
	console.log(ascii.gray);
}

// get autocode output
bluebird.try(function() {
	// change cwd
	if (command != 'info' && command != 'import' && command != 'install' && command != 'link' && command != 'search' && minimist._[1]) {
		var dest = minimist._[1].split('@');
		var version = dest[1] || 'latest';
		var module = dest[0];
		
		var cwd = userHome + '/.autocode/module/github.com/' + module + '/' + version;
		if (!fs.existsSync(cwd)) {
			throw new Error('Module (' + module + '@' + version + ') does not exist at: ' + cwd);
		}
		
		process.chdir(cwd);
	}
	
	if (command == 'build' || command == 'config' || command == 'import' || command == 'run' || command == 'stop' || command == 'update') {
		project.load(process.cwd());
	}
	
	switch (command) {
		case 'cache':
			project.cache(
				minimist._[1] || minimist.key,
				minimist._[2] || minimist.value,
				minimist.debug ? true : false
			);
			break;
		
		case 'config':
			project.load(process.cwd());
			
			console.log(
				yaml.safeDump(project.config).blue
			);
			break;
			
		case 'help':
			var output = require(__dirname + '/../cli/lib/help')(commands);
			console.log(output);
			break;
		
		case 'import':
			project.import({
				name: minimist._[1],
				force: minimist.f || minimist.force ? true : false
			});
		
			break;
		
		case 'install':
			project.install({
				name: minimist._[1],
				force: minimist.f || minimist.force ? true : false
			});
		
			break;
		
		case 'link':
			var config = project.config('.');
			var version = config.version;
			var id = config.id;
			
			if (minimist._[1]) {
				var dest = minimist._[1].split('@');
				version = dest[1];
				if (dest[0].length) {
					id = dest[0];
				}
			}
			
			var collection = id.slice(0, id.lastIndexOf('.'));
			var module = id.slice(id.lastIndexOf('.')+1);
			
			if (minimist._[2]) {
				var src = minimist._[2];
			} else {
				var src = process.cwd();
			}
			
			var force = minimist.f === true || minimist.force === true ? true : false;
			
			project.build(minimist);
			
			project.link({
				collection: collection,
				force: force,
				module: module,
				src: src,
				version: version
			});
			
			break;
			
		case 'signup':
			project.signup();
			break;
		default:
			if (minimist.f === true) {
				minimist.force = true;
			}
			if (minimist['skip-scripts'] === true) {
				minimist.skipScripts = true;
			}
			project[command](minimist);
			break;
	}	
})

.catch(function(e) {
	if (minimist.debug) {
		throw e;
	}
	console.log(e.message.red);
});