<?php /** @file */

namespace Zotlabs\Render;

use App;


class SmartyTemplate implements TemplateEngine {

	static $name ="smarty3";

	public function __construct() {

		// Cannot use get_config() here because it is called during installation when there is no DB.
		// FIXME: this may leak private information such as system pathnames.

        $basecompiledir = ((array_key_exists('smarty3_folder', App::$config['system']))
			? App::$config['system']['smarty3_folder'] : '');
        if (! $basecompiledir) {
			$basecompiledir = str_replace('Zotlabs','',dirname(__dir__)) . TEMPLATE_BUILD_PATH;
		}
        if (! is_dir($basecompiledir)) {
			@os_mkdir(TEMPLATE_BUILD_PATH, STORAGE_DEFAULT_PERMISSIONS, true);
	        if (! is_dir($basecompiledir)) {
				echo "<b>ERROR:</b> folder <tt>$basecompiledir</tt> does not exist."; killme();
			}
        }
		if (! is_writable($basecompiledir)) {
			echo "<b>ERROR:</b> folder <tt>$basecompiledir</tt> must be writable by webserver."; killme();
		}
		App::$config['system']['smarty3_folder'] = $basecompiledir;
	}

	// TemplateEngine interface

	public function replace_macros($s, $r) {
		$template = '';

		// macro or macros available for use in all templates

		$r['$z_baseurl']     = z_root();
		$r['$z_server_role'] = \Zotlabs\Lib\System::get_server_role();
		$r['$z_techlevel']   = get_account_techlevel();

		if (gettype($s) === 'string') {
			$template = $s;
			$s = new SmartyInterface();
		}
		foreach ($r as $key=>$value) {
			if ($key[0] === '$') {
				$key = substr($key, 1);
			}
			$s->assign($key, $value);
		}
		return $s->parsed($template);
	}

	public function get_markup_template($file, $root = '') {
		$template_file = theme_include($file, $root);
		if ($template_file) {
			$template = new SmartyInterface();
			$template->filename = $template_file;

			return $template;
		}
		return EMPTY_STR;
	}

	public function get_intltext_template($file, $root = '') {

		$lang = App::$language;
		if ($root != '' && substr($root,-1) != '/' ) {
			$root .= '/';
		}
		foreach ( [ $root . "view/$lang/$file", $root . "view/en/$file", '' ] as $template_file) {
			if (is_file($template_file)) {
				break;
			}
		}
		if ($template_file == '') {
			$template_file = theme_include($file,$root);
		}
		if ($template_file) {
			$template = new SmartyInterface();
			$template->filename = $template_file;
			return $template;
		}
		return "";
	}



}
