<?php
/**
*
* @package Board3 Portal v2.1
* @copyright (c) 2013 Board3 Group ( www.board3.de )
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/

namespace board3\portal\controller;

class main
{
	/**
	* Auth object
	* @var \phpbb\auth\auth
	*/
	protected $auth;

	/**
	* phpBB Config object
	* @var \phpbb\config\config
	*/
	protected $config;

	/**
	* Template object
	* @var \phpbb\template
	*/
	protected $template;

	/**
	* User object
	* @var \phpbb\user
	*/
	protected $user;

	/**
	* phpBB root path
	* @var string
	*/
	protected $phpbb_root_path;

	/**
	* PHP file extension
	* @var string
	*/
	protected $php_ext;

	/**
	* Portal root path
	* @var string
	*/
	protected $root_path;

	/**
	* Portal includes path
	* @var string
	*/
	protected $includes_path;

	/**
	* phpBB path helper
	* @var \phpbb\path_helper
	*/
	protected $path_helper;

	/**
	* Portal Helper object
	* @var \board3\portal\includes\helper
	*/
	protected $portal_helper;

	/**
	* Constructor
	* NOTE: The parameters of this method must match in order and type with
	* the dependencies defined in the services.yml file for this service.
	* @param \phpbb\auth\auth $auth Auth object
	* @param \phpbb\config\config $config phpBB Config object
	* @param \phpbb\template $template Template object
	* @param \phpbb\user $user User object
	* @param \phpbb\path_helper $path_helper phpBB path helper
	* @param \board3\portal\includes\helper $portal_helper Portal helper class
	* @param string $phpbb_root_path phpBB root path
	* @param string $php_ext PHP file extension
	* @param string $config_table Board3 config table
	* @param string $modules_table Board3 modules table
	*/
	public function __construct($auth, $config, $template, $user, $path_helper, $portal_helper, $phpbb_root_path, $php_ext, $config_table, $modules_table)
	{
		global $portal_root_path;

		$this->auth = $auth;
		$this->config = $config;
		$this->template = $template;
		$this->user = $user;
		$this->path_helper = $path_helper;
		$this->phpbb_root_path = $phpbb_root_path;
		$this->php_ext = $php_ext;
		$this->portal_helper = $portal_helper;

		$this->includes_path = $phpbb_root_path . 'ext/board3/portal/includes/';
		$this->root_path = $phpbb_root_path . 'ext/board3/portal/';
		$portal_root_path = $this->root_path;
		define('PORTAL_MODULES_TABLE', $modules_table);
		define('PORTAL_CONFIG_TABLE', $config_table);

		if (!function_exists('obtain_portal_config'))
		{
			include($this->includes_path . 'constants' . $this->php_ext);
			include($this->includes_path . 'functions_modules' . $this->php_ext);
			include($this->includes_path . 'functions' . $this->php_ext);
		}
	}

	/**
	* Extension front handler method. This is called automatically when your extension is accessed
	* through index.php?ext=example/foobar
	* @return null
	*/
	public function handle()
	{
		$this->run_initial_tasks();

		// Set default data
		$portal_modules = obtain_portal_modules();
		$display_online = false;

		/**
		* set up column_count array
		* with this we can hide unneeded parts of the portal
		*/
		$module_count = array(
			'total' 	=> 0,
			'top'		=> 0,
			'left'		=> 0,
			'center'	=> 0,
			'right'		=> 0,
			'bottom'	=> 0,
		);

		/**
		* start assigning block vars
		*/
		foreach ($portal_modules as $row)
		{
			if($row['module_status'] == B3_MODULE_DISABLED)
			{
				continue;
			}

			// Do not try to load non-existent modules
			if (!($module = $this->portal_helper->get_module($row['module_classname'])))
			{
				continue;
			}

			/**
			* Check for permissions before loading anything
			* the default group of a user always defines his/her permission (KISS)
			*/
			$group_ary = (!empty($row['module_group_ids'])) ? explode(',', $row['module_group_ids']) : '';
			if ((is_array($group_ary) && !in_array($this->user->data['group_id'], $group_ary)))
			{
				continue;
			}

			if ($language_file = $module->get_language())
			{
				$this->user->add_lang_ext('board3/portal', 'modules/' . $language_file);
			}
			if ($row['module_column'] == column_string_num('left') && $this->config['board3_left_column'])
			{
				$template_module = $module->get_template_side($row['module_id']);
				++$module_count['left'];
			}
			if ($row['module_column'] == column_string_num('center'))
			{
				$template_module = $module->get_template_center($row['module_id']);
				++$module_count['center'];
			}
			if ($row['module_column'] == column_string_num('right') && $this->config['board3_right_column'])
			{
				$template_module = $module->get_template_side($row['module_id']);
				++$module_count['right'];
			}
			if ($row['module_column'] == column_string_num('top'))
			{
				$template_module = $module->get_template_center($row['module_id']);
				++$module_count['top'];
			}
			if ($row['module_column'] == column_string_num('bottom'))
			{
				$template_module = $module->get_template_center($row['module_id']);
				++$module_count['bottom'];
			}
			if (!isset($template_module))
			{
				continue;
			}

			// Custom Blocks that have been defined in the ACP will return an array instead of just the name of the template file
			if (is_array($template_module))
			{
				$this->template->assign_block_vars('modules_' . column_num_string($row['module_column']), array(
					'TEMPLATE_FILE'			=> 'portal/modules/' . $template_module['template'],
					'IMAGE_SRC'			=> $this->path_helper->get_web_root_path() . $this->root_path . 'styles/' . $this->user->style['style_path'] . '/theme/images/portal/' . $template_module['image_src'],
					'TITLE'				=> $template_module['title'],
					'CODE'				=> $template_module['code'],
					'MODULE_ID'			=> $row['module_id'],
					'IMAGE_WIDTH'			=> $row['module_image_width'],
					'IMAGE_HEIGHT'			=> $row['module_image_height'],
				));
			}
			else
			{
				$this->template->assign_block_vars('modules_' . column_num_string($row['module_column']), array(
					'TEMPLATE_FILE'			=> 'portal/modules/' . $template_module,
					'IMAGE_SRC'			=> $this->path_helper->get_web_root_path() . $this->root_path . 'styles/' . $this->user->style['style_path'] . '/theme/images/portal/' . $row['module_image_src'],
					'IMAGE_WIDTH'			=> $row['module_image_width'],
					'IMAGE_HEIGHT'			=> $row['module_image_height'],
					'MODULE_ID'			=> $row['module_id'],
					'TITLE'				=> (isset($this->user->lang[$row['module_name']])) ? $this->user->lang[$row['module_name']] : utf8_normalize_nfc($row['module_name']),
				));
			}

			// Check if we need to show the online list
			if ($row['module_classname'] === '\board3\portal\modules\whois_online')
			{
				$display_online = true;
			}

			unset($template_module);
		}
		$module_count['total'] = sizeof($portal_modules);

		// Redirect to index if there are currently no active modules
		if($module_count['total'] < 1)
		{
			redirect(append_sid($this->phpbb_root_path . 'index' . $this->php_ext));
		}

		// Assign specific vars
		$this->template->assign_vars(array(
		// 	'S_SMALL_BLOCK'			=> true,
			'S_PORTAL_LEFT_COLUMN'	=> $this->config['board3_left_column_width'],
			'S_PORTAL_RIGHT_COLUMN'	=> $this->config['board3_right_column_width'],
			'S_LEFT_COLUMN'			=> ($module_count['left'] > 0 && $this->config['board3_left_column']) ? true : false,
			'S_CENTER_COLUMN'		=> ($module_count['center'] > 0) ? true : false,
			'S_RIGHT_COLUMN'		=> ($module_count['right'] > 0 && $this->config['board3_right_column']) ? true : false,
			'S_TOP_COLUMN'			=> ($module_count['top'] > 0) ? true : false,
			'S_BOTTOM_COLUMN'		=> ($module_count['bottom'] > 0) ? true : false,
			'S_DISPLAY_PHPBB_MENU'	=> $this->config['board3_phpbb_menu'],
			'B3P_DISPLAY_JUMPBOX'	=> $this->config['board3_display_jumpbox'],
			'T_EXT_THEME_PATH'		=> $this->path_helper->get_web_root_path() . $this->root_path . 'styles/' . $this->user->style['style_path'] . '/theme/',
		));

		// And now to output the page.
		page_header($this->user->lang('PORTAL'), $display_online);

		// foobar_body.html is in ./ext/foobar/example/styles/prosilver/template/foobar_body.html
		$this->template->set_filenames(array(
			'body' => 'portal/portal_body.html'
		));

		page_footer();
	}

	/**
	* Check if user should be able to access this page. Redirect to index
	* if this does not apply.
	*
	* @return null
	*/
	protected function check_permission()
	{
		if (!isset($this->config['board3_enable']) || !$this->config['board3_enable'] || !$this->auth->acl_get('u_view_portal'))
		{
			redirect(append_sid($this->phpbb_root_path . 'index' . $this->php_ext));
		}
	}

	/**
	* Run initial tasks that are required for a properly setup extension
	*
	* @return null
	*/
	protected function run_initial_tasks()
	{
		// Check for permissions first
		$this->check_permission();

		// Load language file
		$this->user->add_lang_ext('board3/portal', 'portal');

		// Obtain portal config
		obtain_portal_config();
	}
}