<?php /* -*- Mode: php; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

global $UTIL_DIR;

include_once($UTIL_DIR . "/convert.php");

class Config {

  private $file;
  private $configs = array();

  // Admin config
  public $admin_title = "Site Config";
  public $admin_submodules = array("Title" => "title",
                                   "CSS" => "css",
                                   "Default page" => "defaultpage",
																	 "Menu" => "menu",
																	 "Splash" => "splash");

  public function admin_title($action, $vars)
  {
    switch($action) {
    case "update":
      $this->setValue("title", $vars["title"]);
			echo "The title has now been changed to \"". $this->value("title") . "\"";
			$this->write();
			break;
			
    default:
      $form = new Form("update");
      $form->addWidget(new LineEdit("Site title:", "title", $this->value("title", "Title not yet set")));
      $form->addWidget(new Button("Update"));
      $form->render();
      break;
    }
  }

  public function admin_css($action, $vars)
  {
    switch($action) {
    case "update":
      $this->setValue("css", $vars["css"]);
			echo "The stylesheet has now been changed to \"". $this->value("css") . "\"";
			$this->write();
			break;
			/*
    case "css_test_start":
      setCookie("testcss", $vars["css"]);
      break;

    case "css_test_stop":
      deleteCookie("testcss");
      break;
      */
    default:
      $form = new Form("update");
      $form->addWidget(new LineEdit("CSS file:", "css", $this->value("css", "CSS not yet set")));
      $form->addWidget(new Button("Update"));
      $form->render();
      /*
      if(!$testcss) {
        $form = new Form("css_test_start");
        $form->addWidget(new LineEdit("Test CSS file:", "css", ""));
        $form->addWidget(new Button("Start CSS test"));
        $form->render();
      } else {
        $form = new Form("css_test_stop");
        $form->addWidget(new Button("Stop CSS test"));
        $form->render();
      }
      */
      break;
    }
  }

  public function admin_splash($action, $vars)
  {
    switch($action) {
    case "update":
      $this->setValue("splash", $vars["splash"]);
      $this->setValue("splashpage", $vars["splashpage"]);
      $this->setValue("splashreshow", $vars["splashreshow"]);
			echo "Splash has now been updated.";
			$this->write();
			break;
			
    default:
      $form = new Form("update");
      $form->addWidget(new LineEdit("Splash:", "splash", $this->value("splash", "false")));
      $form->addWidget(new LineEdit("Splash page:", "splashpage", $this->value("splashpage", "splash")));
      $form->addWidget(new LineEdit("Splash reshow:", "splashreshow", $this->value("splashreshow", "3600")));
      $form->addWidget(new Button("Update"));
      $form->render();
      break;
    }
  }

  public function admin_defaultpage($action, $vars)
  {
    switch($action) {
    case "update":
      $this->setValue("defaultpage", $vars["defaultpage"]);
			echo "Default page has now been set to ".$this->value("defaultpage").".";
			$this->write();
			break;
			
    default:
      $form = new Form("update");
      $form->addWidget(new LineEdit("Default page:", "defaultpage", $this->value("defaultpage", "")));
      $form->addWidget(new Button("Update"));
      $form->render();
      break;
    }
  }

  public function admin_menu($action, $vars)
  {
    switch($action) {
    case "update":
			global $menulist;
			$menu = ListEditor::splitValues($menulist);
      $this->setValue("menu", $menu);
      $this->write();
      break;
			
    default:
			global $config;
			global $pages;
			$pagetitles = array();
			foreach($pages->pages as $page) {
				$pagetitles[$page->title] = $page->title;
			}
      $form = new Form("update");
			$form->addWidget(new ListEditor("Menu items", "menulist",
																			new LineEdit("Title", "title"),
																			new ComboBox("Page", "page", "", $pagetitles),
																			$config->value("menu")));
      $form->addWidget(new Button("Update"));
      $form->render();
      break;
    }
  }

  public function admin($sub, $action, $vars)
  {
    switch($sub) {
    case "title":
      $this->admin_title($action, $vars);
      break;
    case "css":
      $this->admin_css($action, $vars);
      break;
    case "defaultpage":
      $this->admin_defaultpage($action, $vars);
      break;
    case "menu":
      $this->admin_menu($action, $vars);
      break;
    case "splash":
      $this->admin_splash($action, $vars);
      break;
    }
  }

  public function write()
  {
    $fp = fopen($this->file, "w");
    fwrite($fp, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");

    fwrite($fp, "<configs>\n");
    foreach($this->configs as $name => $value) {
      fwrite($fp, "  <config name=\"".$name."\"\n");
      fwrite($fp, "          value=\"".
	     htmlspecialchars(serialize($value), ENT_QUOTES, "UTF-8")."\"/>\n");
    }
    fwrite($fp, "</configs>\n");

    fclose($fp);
  }

  private function read()
  {
    $dom = new DomDocument;
    $dom->preserveWhiteSpace = TRUE;
    $dom->load($this->file);
    $configElems = $dom->getElementsByTagName('config');

    foreach ($configElems as $config) {
      $this->setValue($config->getAttribute('name'),
		      unserialize(htmlspecialchars_decode($config->getAttribute('value'), ENT_QUOTES)));
    }
  }

  public function value($name, $default = "")
  {
    if($GLOBALS["test"] == "1" && $name == "css") return "design/rotr/style.css";
    if(isset($this->configs[$name])) return $this->configs[$name];
    return $default;
  }

  public function setValue($name, $value)
  {
    $this->configs[$name] = $value;
  }

  public function Config($file)
  {
    $this->file =  $file;
    if(file_exists($file)) $this->read();
  }

}

function config_init()
{
  global $DATA_DIR;
  return new Config($DATA_DIR . "/config.xml");
}

?>