#!/usr/bin/env nodejs
/**
 * Bouquins bootstrap.
 * TODO license
 *
 * Load configuration
 * Check configuration
 * Launch http server
 * Initialise router
 */
APP_NAME='Bouquins';
DEFAULT_CONF='./config/config.json';

var bouquins = require('../lib/bouquins');

console.log('Bootstraping ' + APP_NAME);

// TODO argument conf file
var configfile = DEFAULT_CONF;
bouquins.loadconfig(configfile, function(err, config) {
	if (err) {
		console.error('Fatal error, cannot load config: ' + err);
		console.log(err.stack);
		process.exit(1);
	}
	// global config
	GLOBAL.config = config;
	// global logger
	GLOBAL.logger = bouquins.initLogger();
	logger.debug(config);
	// database
	bouquins.initDB(function(err) {
		if (err) {
			logger.error('Fatal error, cannot load database: ' + err);
			logger.error(err.stack);
			process.exit(1);
		}
	});
	start();
});

/**
 * Initialise application
 */
function start(){
	logger.info('Starting '+APP_NAME);

	var starReqListener=function(req, res) {
		// defaut request listener
		res.writeHead(200, {'Content-Type': 'text/plain'});
		res.end(APP_NAME + ' is starting');
	}
	// launch http server, wait config and router
	var server = require('http').createServer(starReqListener)
		.listen(config.httpPort);
	logger.info('Listening on '+config.httpPort);
	
	// TODO check config: files/dir do exist, database exist, can read ...
	
	// init router 
	var router = bouquins.makeRouter();
	server.on('request', function(req, resp) {
		router.request(req, resp);
	}).removeListener('request', starReqListener);
}