<?php

class SystemController extends mfBaseController {

  protected function init($reqeust) {
    $me = new User();
    $me->loadMe();
    $this->layout()->set("me",$me);
    $this->me = $me;
    
    if(!$me->isAdmin()) {
      // all users can call non-action methods
      if($this->action != "" || $request != null) {
        $this->redirect("Dashboard");
      }
    }
  }

  protected function indexAction() {
    if(!$this->me->isAdmin()) {
      $this->redirect("Dashboard");
    }
    $this->layout()->setTemplate("System/System");
  }
  
  protected function saveAction($request) {
    if(!$this->me->isAdmin()) {
      $this->redirect("Dashboard");
    }
    foreach($request as $name => $value) {
      $m = [];
      if(!preg_match('/^system_(.+)$/',$name,$m)) {
        continue;
      }
      $name = str_replace("_", ".", $m[1]);
      $config = new mfConfig($name);
      $config->value($value);
      $config->save();
    }
    
    $this->redirect("System");
  }
  
  public function getLastCommit() {
    $git_path = BASEDIR."/.git";
    $output = [];

    if(defined("GIT_BIN_PATH") && GIT_BIN_PATH) {
      $git = GIT_BIN_PATH;
    } else {
      $git = "/usr/bin/git";
    }
    
    $cmd = "$git --git-dir $git_path rev-parse HEAD";
    if(!exec($cmd, $output)) {
      $log = mfLoghandler::singleton();
      $log->warn("Cannot read git ref!");
    }
    
    $ref = $output[0];
    if(strlen($output[0]) > 8) {
      $ref = substr($output[0], 0, 8);
    }
    
    return $ref;
  }
}