<?php defined("SYSPATH") or die("No direct script access.");
/**
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2008 Bharat Mediratta
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
 */
class Welcome_Controller extends Template_Controller {
  public $template = 'welcome.html';

  function index() {
    $this->template->syscheck = new View('welcome_syscheck.html');
    $this->template->syscheck->errors = $this->_get_config_errors();
    $this->_create_directories();
  }

  private function _get_config_errors() {
    $errors = array();
    if (!file_exists(VARPATH)) {
      $error = new stdClass();
      $error->message = "Missing: " . VARPATH;
      $error->instructions[] = "mkdir " . VARPATH;
      $error->instructions[] = "chmod 777 " . VARPATH;
      $errors[] = $error;
    } else if (!is_writable(VARPATH)) {
      $error = new stdClass();
      $error->message = "Not writable: " . VARPATH;
      $error->instructions[] = "chmod 777 " . VARPATH;
      $errors[] = $error;
    }

    $db_php = VARPATH . "database.php";
    if (!file_exists($db_php)) {
      $error = new stdClass();
      $error->message = "Missing: $db_php";
      $error->instructions[] = "cp kohana/config/database.php $db_php";
      $error->instructions[] = "chmod 644 $db_php";
      $error->message2 = "Then edit this file and enter your database configuration settings.";
      $errors[] = $error;
    } else if (!is_readable($db_php)) {
      $error = new stdClass();
      $error->message = "Not readable: $db_php";
      $error->instructions[] = "chmod 644 $db_php";
      $error->message2 = "Then edit this file and enter your database configuration settings.";
      $errors[] = $error;
    } else {
      $old_handler = set_error_handler(array('Welcome_Controller', '_error_handler'));
      try {
	Database::instance()->connect();
      } catch (Exception $e) {
	$error = new stdClass();
	$error->message = "Database error: {$e->getMessage()}";
	$db_name = Kohana::config('database.default.connection.database');
	if (strchr($error->message, "Unknown database")) {
	  $error->instructions[] = "mysqladmin -uroot create $db_name";
	} else {
	  $error->instructions = array();
	  $error->message2 = "Check " . VARPATH . "database.php";
	}
	$errors[] = $error;
      }
      set_error_handler($old_handler);
    }

    return $errors;
  }

  function _error_handler($x) {
  }

  function _create_directories() {
    foreach (array("logs") as $dir) {
      @mkdir(VARPATH . "$dir");
    }
  }
}