<?php

/**
 * Run shell commands loaded from a config file
 *
 * @author Phil Burton <phlbeansburton@gmail.com>
 */
class Blatech
{
	protected $blatech  = null;
	
	/**
     * Construct the object loading the config file and storing it
	 * as an array in the $blatech var
	 *
	 * @author Phil Burton <philbeansburton@gmail.com>
	 * @param $config String The file and path of the config file
	 */
	public function __construct($config)
	{
		$this->blatech = parse_ini_file($config,true);	
	}	
	
	/** 
	 * Run a shell command and return the result
	 *
	 * @author Phil Burton <philbeansburton@gmail.com>
	 * @param $message Array The message containing the required commands
	 * @param $args String The sting of space seperated arguments
	 * @return String The result of the shell command
	 * @todo Abstract IRC related information away from this class
	 */
	public function runCommand($message, $args)
	{
		$nick = ltrim(explode('!', $message[0])[0],":");
		$channel = $message[2];

		$msg = explode(" ", ltrim(trim($message[3],"\r\n"), ":!"));
		if (!isset($msg[0])) {
			return null;
		} else {
			if (array_key_exists($msg[0], $this->blatech)) {
				$command = $this->blatech[$msg[0]]['command'];
				$stdin = $this->blatech[$msg[0]]['stdin'];
				$cargs = $this->blatech[$msg[0]]['args'];
				$path = $this->blatech[$msg[0]]["path"];
				if ($path == true) {
					$cd = "cd " . $path . ' && ';
				} else {
					$cd = "";
				}
				if ($stdin == true) {
					return explode("\n", shell_exec($cd . 'echo "' . $args .  '" | ' . $command))[0];
				} else if ($cargs == true) {
					return 'Command Line Arguments Not Supported Yet.';
				} else {
					return explode("\n", shell_exec($cd . $command))[0];
				}
			}
		}
	}
}