<?php define('__ROOT__', dirname(dirname(__FILE__)) );

	require_once __ROOT__.'/exporter/Exporter.php';

	/* [1] Initialisation
	=========================================================*/
	/* (1) Get arguments (excepted file) */
	$arguments = array_slice($argv, 1);
	$arglen    = $argc - 1;


	// si aucun argument
	if( count($arguments) === 0 ){
		echo "Missing arguments.\n";
		return;
	}

	/* (2) Load package's config */
	$exporter = new Exporter();

	/* [2] Commands
	=========================================================*/
	switch($arguments[0]){

		/* (0) Reset enabled packages
		---------------------------------------------------------*/
		case 'init': {

			$exporter->init();

			echo "** success **\n";

		} break;

		/* (1) Packages listing
		---------------------------------------------------------*/
		case 'packages': case 'p': {

			echo "available packages:\n";
			$packages = $exporter->available();

			foreach($packages as $package=>$versions){

				foreach($versions as $version)
					// if enabled
					if(	$version['enabled'] )
						echo " [*] $package:".$version['version']."\n";
					else
						echo " [ ] $package:".$version['version']."\n";

				echo "\n";
			}

		} break;

		/* (2) Enables a package and its version
		---------------------------------------------------------*/
		case 'install': case 'i': {

			if( $arglen < 2 || !preg_match("/^([^:]+)(:(?:[0-9\.-]+))?$/i", $arguments[1], $matches) ){
				echo "You must specify @package:@version.\n";
				return;
			}

			$err = $exporter->install($matches[1], count($matches) > 2 ? substr($matches[2], 1) : null);

			/* (1) Managing state */
			if( $err === true ) echo "\n\n** success **\n";
			else                echo $err;

		} break;

		/* (3) Disabled a package
		---------------------------------------------------------*/
		case 'remove': case 'r': {

			if( $arglen < 2 ){
				echo "You must specify @package.\n";
				return;
			}

			$err = $exporter->remove($arguments[1]);

			/* (1) Managing state */
			if( $err === true ) echo "\n\n** success **\n";
			else                echo $err;

		} break;

		/* (3) Builds a project
		---------------------------------------------------------*/
		case 'build': case 'b': {

			if( $arglen < 2 || !is_dir($arguments[1]) ){
				echo "You must specify your project root's @path.\n";
				return;
			}

			// Removes the optional final '/'
			$arguments[1] = preg_replace('/^(.+)\/$/', '$1', $arguments[1]);

			$err = $exporter->build($arguments[1]);

			/* (1) Managing state */
			if( $err === true ) echo "\n\n** success **\n";
			else                echo $err;

		} break;

		/* (4) Help message
		---------------------------------------------------------*/
		default: {

			echo "xfw: xdrm framework\n";
			echo "\n";
			echo "COMMANDS\n";
			echo "\tinit\n";
			echo "\t\tInitialize a new framework environment.\n";
			echo "\n";
			echo "\tpackages\n";
			echo "\t\tList all available packages and its versions.\n";
			echo "\n";
			echo "\tinstall @pkg_name:@version\n";
			echo "\t\tAdd the version @version of the package @pkg_name to the environment.\n";
			echo "\n";
			echo "\tremove @pkg_name\n";
			echo "\t\tRemove the package @pkg_name from the environment.\n";
			echo "\n";
			echo "\tbuild @root_path\n";
			echo "\t\tBuild from the environment at the location @root_path.\n";
			echo "\n";

		} break;

	}


?>