<?php
/* $Id$ */
(defined('MCMS') && (basename(__FILE__) != basename($_SERVER['PHP_SELF']))) or die('ACCESS DENIED');

use \Mammut\IO\FileNotFoundException;
use \Mammut\Template\CTemplate;

use \MCMS\Exception\AccessDeniedException;
use \MCMS\System;
use \MCMS\Request;
use \MCMS\Response;
use \MCMS\Model\Content;
use \MCMS\Service\ContentSvc;

loadModule('base');

/**
 * Advanced static page module.
 *
 * @author Stefan Daurer <s.daurer@qdevzone.net>
 * @since 1.0
 * @package MammutCMS
 * @subpackage Module
 */
class MMModStaticxt extends MMModBase {

	protected function getMyId() {
		return 'mcms.staticxt';
	}

	/**
	 * Load the layout info array
	 * 
	 * @param string $modId        	
	 * @param string $layout        	
	 * @return array the layout info
	 */
	public static function getLayoutInfo($modId, $layout) {
		$ua = System::getInstance()->getRequest()->getUserAgent();
		$modId = strtolower($modId);
		$name = strtolower($layout);
		
		$extended = false;
		
		if($layout[0] == '*') {
			$file = _LAYOUTPATHX_ . __DS__ . '_module_';
			$layout = substr($layout, 1);
		}
		else
			$file = $extended ? _MODPATHX_ : _MODPATH_;
		
		$filepath = $file . __DS__ . str_replace('.', __DS__, $modId) . __DS__ . '_layout_' . __DS__ . $layout . __DS__;
		
		$result = array();
		if(include_exists($filepath . '_info_.php'))
			$result = get_configfile_array($filepath . '_info_.php', 'info');
		
		return $result;
	}

	public function hasFilePriv(iUser $usr, array $params) {
		$system = System::getInstance();
		return !is_null($usr) && $this->userHasPriv($usr, $system->getSiteId(), $params['target'], 'edit');
	}

	protected function getContentObject($siteId, $instance, $name) {
		$system = System::getInstance();
		$db = $system->getDB();
		$efn_key = $db->escapeColumnName('key');
		$content = $db->getObjectP("SELECT * FROM content WHERE site_id=? AND instance=? AND {$efn_key}=? AND revision=0", array(
				$siteId,$instance,$name), '\\MCMS\\Model\\Content');
		if(empty($content)) {
			$content = new Content();
				
			$content->site_id = $siteId;
			$content->instance = $instance;
			$content->key = $name;
				
			$content->title = '';
			$content->descr = '';
			$content->content = '';
			$content->langu = '';
			$content->langukey = '';
			$content->state = 0;
			$content->revision = 0;
			$content->read_count = 0;
				
			$content = ContentSvc::storeContent($content);
		}
		return $content;
	}
	
	/**
	 * Fetches a content block as HTML.
	 *
	 * Reads the content from the database, and creates a new row if none exists atm.
	 *
	 * @param int $siteId
	 *        	the active website
	 * @param string $instance
	 *        	the instance of this module
	 * @param string $name
	 *        	block name
	 * @return string the content of the block
	 */
	protected function getContentHTMLBlock($siteId, $instance, $name) {
		return $this->getContentObject($siteId, $instance, $name)->content;
	}

	/**
	 * Fetches a content block as text.
	 *
	 * Does the same as getContentHTMLBlock with the difference that it escapes critical
	 * characters.
	 *
	 * @param int $siteId
	 *        	the active website
	 * @param string $instance
	 *        	the instance of this module
	 * @param string $name
	 *        	block name
	 * @return string the content of the block
	 */
	protected function getContentTextBlock($siteId, $instance, $name) {
		return nl2br(htmlentities($this->getContentObject($siteId, $instance, $name)->content),true);
	}

	/**
	 * Displayes the text
	 */
	public function runIndex(Request $request, Response $response, $activeInstance) {
		$system = System::getInstance();
		$db = $system->getDB();
		$usrSvc = $system->getUserSvc();
		$locale = $system->getActiveLocale();
		$strings = $this->loadLocaleStrings($locale, __DIR__);
		$siteId = $system->getSiteId();
		
		$layout = $this->findLayout($system->getSiteId(), $activeInstance);
		$info = self::getLayoutInfo($this->getMyId(), $layout);
		
		$blocks = is_array($info['blocks']) ? $info['blocks'] : array();
		$blockdata = array();
		
		foreach($blocks as $block=>$type) {
			switch(strtolower($type)) {
				case 'string':
					$blockdata[$block] = $this->getContentTextBlock($siteId, $activeInstance, $block);
				break;
				case 'text':
					$blockdata[$block] = $this->getContentTextBlock($siteId, $activeInstance, $block);
				break;
				case 'image':
					$blockdata[$block] = '<img src=""/>';
				break;
				case 'html':
					$blockdata[$block] = $this->getContentHTMLBlock($siteId, $activeInstance, $block);
				break;
				case 'video':
					$blockdata[$block] = '?';
				break;
				default:
					$blockdata[$block] = 'INVALID BLOCK TYPE ' . $type;
				break;
			}
		}
		
		try {
			$template = $this->loadTemplate($this->getMyId(), $system->getTarget('action'), $layout);
			$css = $this->getLayoutCSSFiles($this->getMyId(), $system->getTarget('action'), $layout);
			foreach($css as $cssAddOn)
				$response->addons[Response::ADDON_CSS][] = $cssAddOn;
				
				// $template->setParam('title', $content->title); // put the text object in the template
			foreach($blocks as $block=>$type) {
				$template->setParam($block, $blockdata[$block]); // put the text object in the template
			}
			$template->setParam('adminlink', _SELF_ . '?mod=' . $activeInstance . '&amp;view=edit'); // put the text object in the template
			$template->setParam('edit_text_link', $strings['edit_text_link']); // put the text object in the template
			

			$usr = $system->getUserSvc()->getUser();
			if(is_null($usr))
				$template->setParam('admin', false);
			else
				$template->setParam('admin', $this->userHasPriv($usr, $system->getSiteId(), $activeInstance, 'edit'));
			
			$response->setFragment('CONTENT', $template->getDocument()); // render the template end put the result in the response
		}
		catch(FileNotFoundException $ex) {
			$response->setFragment('CONTENT', "file is missing: " . $ex->getContext());
		}
	}

	/**
	 * Displayes a form to edit the text
	 */
	public function runEdit(Request $request, Response $response, $activeInstance) {
		$system = System::getInstance();
		$db = $system->getDB();
		$usrSvc = $system->getUserSvc();
		$usr = $usrSvc->getUser();
		$locale = $system->getActiveLocale();
		$strings = $this->loadLocaleStrings($locale, __DIR__);
		
		if(is_null($usr) || (!$usrSvc->userHasPriv($usr, $system->getSiteId(), $activeInstance, 'edit')))
			throw new AccessDeniedException('not privileged'); // if not, throw an exception
		

		$siteId = $system->getSiteId();
		
		$layout = $this->findLayout($system->getSiteId(), $activeInstance);
		$info = self::getLayoutInfo($this->getMyId(), $layout);
		
		$blocks = is_array($info['blocks']) ? $info['blocks'] : array();
		
		$form = $system->createFormBuilder();
		$form->setTargetLink(_SELF_);
		$form->setTargetParams(array('mod' => $activeInstance,'view' => 'update'));
		
		foreach($blocks as $block=>$type) {
			switch(strtolower($type)) {
				case 'string':
					$form->addExtraEditor($block, 'string(255)', $this->getContentHTMLBlock($siteId, $activeInstance, $block));
				break;
				case 'text':
					$form->addExtraEditor($block, 'text', $this->getContentHTMLBlock($siteId, $activeInstance, $block));
				break;
				case 'image':
				break;
				case 'html':
					$form->addExtraEditor($block, 'html', $this->getContentHTMLBlock($siteId, $activeInstance, $block));
				break;
				case 'video':
				break;
				default:
				// $blockdata[$block] = 'INVALID BLOCK TYPE ' . $type;
				break;
			}
		}
		
		try {
			$layout = $this->findLayout($system->getSiteId(), $activeInstance);
			$template = $this->loadTemplate($this->getMyId(), $system->getTarget('action'), $layout);
			
			// put the text object in the template
			$template->setParam('title', $strings['head_edit']);
			//$template->setParam('lbl_title', $strings['lbl_title']);
			//$template->setParam('lbl_text', $strings['lbl_text']);
			

			$template->setParam('formStart', (string) $form->genStart());
			
			//$fp = $template->getParamParams('editTitle');
			//if(isset($fp['css']))
			//	$param[\MCMS\_\Com\MCMS\Form\Builder::EP_INLINE_CSS] = $fp['css'];
			//if(!empty($param))
			//	$form->setEditorParams('title', $param);
			//$template->setParam('editTitle', (string) $form->genElement('title'));
			

			foreach($blocks as $block=>$type) {
				if(in_array($type, array('image'))) // skip unfinished types
					continue;
				
				$blockname = 'edit' . strupperfirst($block);
				$fp = $template->getParamParams($blockname);
				if(isset($fp['css']))
					$param[\MCMS\_\Com\MCMS\Form\Builder::EP_INLINE_CSS] = $fp['css'];
				if(!empty($param))
					$form->setEditorParams($block, $param);
				$template->setParam($blockname, (string) $form->genElement($block));
			}
			
			$template->setParam('formSubmit', (string) $form->genSubmit($strings['btn_save']));
			$template->setParam('formEnd', $form->genEnd());
			
			$template->setParam('backlink', _SELF_ . '?mod=' . $activeInstance . '&amp;view=index'); // put the text object in the template
			$response->setFragment('CONTENT', $template->getDocument());
		}
		catch(FileNotFoundException $ex) {
			$response->setFragment('CONTENT', "file is missing: " . $tplfile);
		}
	}

	/**
	 * Updates the text and redirects to the index page
	 */
	public function runUpdate(Request $request, Response $response, $activeInstance) {
		$system = System::getInstance();
		$db = $system->getDB();
		$usrSvc = $system->getUserSvc();
		$usr = $usrSvc->getUser();
		
		if(is_null($usr) || (!$usrSvc->userHasPriv($usr, $system->getSiteId(), $activeInstance, 'edit')))
			throw new AccessDeniedException('not privileged'); // if not, throw an exception
		
		$siteId = $system->getSiteId();
		
		$layout = $this->findLayout($system->getSiteId(), $activeInstance);
		$info = self::getLayoutInfo($this->getMyId(), $layout);
		
		$blocks = is_array($info['blocks']) ? $info['blocks'] : array();
		
		$fetcher = $system->createFormFetcher();
		
		foreach($blocks as $block=>$type) {
			switch(strtolower($type)) {
				case 'string':
					$fetcher->addExtraEditor($block, 'string(255)');
				break;
				case 'text':
					$fetcher->addExtraEditor($block, 'text');
				break;
				case 'image':
				break;
				case 'html':
					$fetcher->addExtraEditor($block, 'html');
				break;
				case 'video':
				break;
				default:
				// $blockdata[$block] = 'INVALID BLOCK TYPE ' . $type;
				break;
			}
		}
		
		$db->isTransactionSupported() && $db->startTransaction();
		foreach($blocks as $block=>$type) {
			switch(strtolower($type)) {
				case 'string':
					$content = $this->getContentObject($siteId, $activeInstance, $block);
					$content->content = $fetcher->fetchExtraField($block);
					ContentSvc::storeContent($content);
				break;
				case 'text':
					$content = $this->getContentObject($siteId, $activeInstance, $block);
					$content->content = $fetcher->fetchExtraField($block);
					ContentSvc::storeContent($content);
				break;
				case 'image':
				break;
				case 'html':
					$content = $this->getContentObject($siteId, $activeInstance, $block);
					$content->content = $fetcher->fetchExtraField($block);
					ContentSvc::storeContent($content);
				break;
				case 'video':
				break;
			}
		}
		$db->isTransactionSupported() && $db->commit();
		
		$response->setRedirect($activeInstance, 'index');
	}
}