<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yii\composer;

use Composer\Script\CommandEvent;
use yii\console\Application;
use yii\console\Exception;

defined('YII_DEBUG') or define('YII_DEBUG', true);

// fcgi doesn't have STDIN defined by default
defined('STDIN') or define('STDIN', fopen('php://stdin', 'r'));

/**
 * InstallHandler is called by Composer after it installs/updates the current package.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @author Tobias Munk <schmunk@usrbin.de>
 * @since 2.0
 */
class InstallHandler
{
	const PARAM_WRITABLE = 'yii-install-writable';
	const PARAM_EXECUTABLE = 'yii-install-executable';
	const PARAM_CONFIG = 'yii-install-config';
	const PARAM_COMMANDS = 'yii-install-commands';

	/**
	 * Sets the correct permissions of files and directories.
	 * @param CommandEvent $event
	 */
	public static function setPermissions($event)
	{
		$options = array_merge(array(
			self::PARAM_WRITABLE => array(),
			self::PARAM_EXECUTABLE => array(),
		), $event->getComposer()->getPackage()->getExtra());

		foreach ((array)$options[self::PARAM_WRITABLE] as $path) {
			echo "Setting writable: $path ...";
			if (is_dir($path)) {
				chmod($path, 0777);
				echo "done\n";
			} else {
				echo "The directory was not found: " . getcwd() . DIRECTORY_SEPARATOR . $path;
				return;
			}
		}

		foreach ((array)$options[self::PARAM_EXECUTABLE] as $path) {
			echo "Setting executable: $path ...";
			if (is_file($path)) {
				chmod($path, 0755);
				echo "done\n";
			} else {
				echo "\n\tThe file was not found: " . getcwd() . DIRECTORY_SEPARATOR . $path . "\n";
				return;
			}
		}
	}

	/**
	 * Executes a yii command.
	 * @param CommandEvent $event
	 */
	public static function run($event)
	{
		$options = array_merge(array(
			self::PARAM_COMMANDS => array(),
		), $event->getComposer()->getPackage()->getExtra());

		if (!isset($options[self::PARAM_CONFIG])) {
			throw new Exception('Please specify the "' . self::PARAM_CONFIG . '" parameter in composer.json.');
		}
		$configFile = getcwd() . '/' . $options[self::PARAM_CONFIG];
		if (!is_file($configFile)) {
			throw new Exception("Config file does not exist: $configFile");
		}

		require_once(__DIR__ . '/../../../yii2/yii/Yii.php');
		$application = new Application(require($configFile));
		$request = $application->getRequest();

		foreach ((array)$options[self::PARAM_COMMANDS] as $command) {
			$params = str_getcsv($command, ' '); // see http://stackoverflow.com/a/6609509/291573
			$request->setParams($params);
			list($route, $params) = $request->resolve();
			echo "Running command: yii {$command}\n";
			$application->runAction($route, $params);
		}
	}
}