<?php
if (!defined('ABSPATH')) {
  die('-1');
}

class QuadMenu_Welcome extends QuadMenu_Panel {

  static $status = array();

  function __construct() {
    add_action('admin_menu', array($this, 'add_menu'), 5);
  }

  function add_menu() {
    add_menu_page(self::$panel_slug, QUADMENU_PLUGIN_NAME, 'edit_posts', self::$panel_slug, array($this, 'add_panel'), plugins_url('/assets/backend/img/icon.png', QUADMENU_PLUGIN_FILE));
    add_submenu_page(self::$panel_slug, esc_html__('Welcome', 'quadmenu'), esc_html__('Welcome', 'quadmenu'), 'edit_posts', self::$panel_slug, array($this, 'add_panel'));
  }

  function add_panel() {
    global $submenu;
    $system = $this;
    include (QUADMENU_PLUGIN_DIR . '/includes/panel/pages/parts/header.php');
    include (QUADMENU_PLUGIN_DIR . '/includes/panel/pages/welcome.php');
  }

  function add($section, $status_array) {
    self::$status[$section][] = $status_array;
  }

  function tables() {

    $this->system();

    foreach (self::$status as $section_name => $section_statuses) {
      ?>
      <table class="widefat quadmenu-system-table" cellspacing="0">
        <thead>
          <tr>
            <th colspan="4"><?php echo esc_html($section_name); ?></th>
          </tr>
        </thead>
        <tbody>
          <?php
          foreach ($section_statuses as $status_params) {
            ?>
            <tr>
              <td class="quadmenu-system-name"><?php echo esc_html($status_params['check_name']); ?></td>
              <!--<td class="quadmenu-system-help"></td>-->
              <td class="quadmenu-system-status">
                <?php
                switch ($status_params['status']) {
                  case 'green':
                    echo '<div class="quadmenu-system-led success" title="' . esc_html__('Green status: this check passed our system status test!', 'quadmenu') . '"></div>';
                    break;
                  case 'yellow':
                    echo '<div class="quadmenu-system-led warning" title="' . esc_html__('Yellow status: this setting may affect the backend of the site. The frontend should still run as expected. We recommend that you fix this.', 'quadmenu') . '"></div>';
                    break;
                  case 'red' :
                    echo '<div class="quadmenu-system-led critical" title="' . esc_html__('Red status: the site may not work as expected with this option.', 'quadmenu') . '"></div>';
                    break;
                  case 'info':
                    echo '<div class="quadmenu-system-led info title="' . esc_html__('Info status: this is just for information purposes and easier debug if a problem appears', 'quadmenu') . '">i</div>';
                    break;
                }
                ?>
              </td>
              <td class="quadmenu-system-value"><?php
                echo wp_kses($status_params['value'], array(
                    'a' => array(
                        'href' => array(),
                        'title' => array()
                    ),
                    'br' => array(),
                    'em' => array(),
                    'strong' => array(),
                    'span' => array(),
                ));
                ?></td>
            </tr>
            <?php
          }
          ?>
        </tbody>
      </table>
      <?php
    }
  }

  function system() {

    global $quadmenu_active_locations, $_wp_registered_nav_menus;

    // Plugin name
    $this->add('Plugin config', array(
        'check_name' => 'Plugin name',
        'tooltip' => '',
        'value' => QUADMENU_PLUGIN_NAME,
        'status' => 'info'
    ));

    // Plugin version
    $this->add('Plugin config', array(
        'check_name' => 'Plugin version',
        'tooltip' => '',
        'value' => QUADMENU_PLUGIN_VERSION,
        'status' => 'info'
    ));

    // Redux version
    if (class_exists('ReduxFramework')) {
      if (version_compare(ReduxFramework::$_version, '3.6.5') < 0) {
        $this->add('Plugin config', array(
            'check_name' => 'Redux version',
            'tooltip' => '',
            'value' => sprintf('%1$s - <span class="quadmenu-status-small-text">%2$s <a href="%3$s" target="_blank">%4$s</a></span>', ReduxFramework::$_version, esc_html__('Your Redux version is outdated: ', 'quadmenu'), 'https://es.wordpress.org/plugins/redux-framework/', esc_html__('Please install it as a plugin', 'quadmenu')),
            'status' => 'red',
        ));
      } else {
        $this->add('Plugin config', array(
            'check_name' => 'Redux version',
            'tooltip' => '',
            'value' => ReduxFramework::$_version,
            'status' => 'green'
        ));
      }
    } else {
      $this->add('Plugin config', array(
          'check_name' => 'Redux version',
          'tooltip' => '',
          'value' => esc_html__('Activate ReduxFramework', 'quadmenu'),
          'status' => 'red',
      ));
    }

    // Menu Locations            
    if (is_array($quadmenu_active_locations)) {
      $this->add('Plugin config', array(
          'check_name' => 'Active Locations',
          'tooltip' => '',
          'value' => sprintf(esc_html__('You have %s active menu locations', 'quadmenu'), count($quadmenu_active_locations)),
          'status' => count($quadmenu_active_locations) ? 'green' : 'info'
      ));
    }

    // Server status
    // -----------------------------------------------------------------
    // server info
    $this->add('php.ini configuration', array(
        'check_name' => 'Server software',
        'tooltip' => '',
        'value' => esc_html($_SERVER['SERVER_SOFTWARE']),
        'status' => 'info'
    ));

    // php version
    $this->add('php.ini configuration', array(
        'check_name' => 'PHP Version',
        'tooltip' => '',
        'value' => phpversion(),
        'status' => 'info'
    ));

    // post_max_size
    $this->add('php.ini configuration', array(
        'check_name' => 'post_max_size',
        'tooltip' => '',
        'value' => sprintf('%1$s - <span class="quadmenu-status-small-text">%2$s</span>', ini_get('post_max_size'), esc_html__('You cannot upload images, themes and plugins that have a size bigger than this value', 'quadmenu')),
        'status' => 'info'
    ));

    // php time limit
    $max_execution_time = ini_get('max_execution_time');
    if ($max_execution_time == 0 or $max_execution_time >= 300) {
      $this->add('php.ini configuration', array(
          'check_name' => 'max_execution_time',
          'tooltip' => '',
          'value' => esc_html($max_execution_time),
          'status' => 'green'
      ));
    } else {
      $this->add('php.ini configuration', array(
          'check_name' => 'max_execution_time',
          'tooltip' => '',
          'value' => sprintf('%1$s - <span class="quadmenu-status-small-text">%2$s <a href="%3$s" target="_blank">%4$s</a></span>', $max_execution_time, esc_html__('To import the demo content 300 seconds of max execution time is required. See: ', 'quadmenu'), 'http://codex.wordpress.org/Common_WordPress_Errors#Maximum_execution_time_exceeded', esc_html__('Increasing max execution to PHP', 'quadmenu')),
          'status' => 'red'
      ));
    }

    // php max input vars
    $max_input_vars = ini_get('max_input_vars');
    if ($max_input_vars == 0 or $max_input_vars >= 2000) {
      $this->add('php.ini configuration', array(
          'check_name' => 'max_input_vars',
          'tooltip' => '',
          'value' => esc_html($max_input_vars),
          'status' => 'green'
      ));
    } else {
      $this->add('php.ini configuration', array(
          'check_name' => 'max_input_vars',
          'tooltip' => '',
          'value' => esc_html($max_input_vars),
          'status' => 'yellow'
      ));
    }

    // suhosin
    if (extension_loaded('suhosin') !== true) {
      $this->add('php.ini configuration', array(
          'check_name' => 'SUHOSIN Installed',
          'tooltip' => '',
          'value' => 'False',
          'status' => 'green'
      ));
    } else {
      $this->add('php.ini configuration', array(
          'check_name' => 'SUHOSIN Installed',
          'tooltip' => '',
          'value' => sprintf('%1$s - <span class="quadmenu-status-small-text">%2$s</span>', esc_html__('SUHOSIN is installed', 'quadmenu'), esc_html__('It may cause problems with saving the plugin panel if it\'s not properly configured', 'quadmenu')),
          'status' => 'yellow'
      ));
    }

    $response_code = wp_remote_retrieve_response_code(wp_remote_get(QUADMENU_PLUGIN_URL . 'assets/frontend/less/quadmenu-locations.less', array(
        'timeout' => 20,
        'user-agent' => 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:20.0) Gecko/20100101 Firefox/20.0'
    )));
    // mime types
    if ($response_code == 200) {
      $this->add('Compiler', array(
          'check_name' => esc_html__('LESS files allowed', 'quadmenu'),
          'tooltip' => '',
          'value' => $response_code,
          'status' => 'green'
      ));
    } else {
      $this->add('Compiler', array(
          'check_name' => esc_html__('Can\'t compile stylesheets', 'quadmenu'),
          'tooltip' => '',
          'value' => sprintf('%1$s error - <span class="quadmenu-status-small-text">%2$s</span>', $response_code, esc_html__('Can\'t download LESS mime types', 'quadmenu')),
          'status' => 'red'
      ));
    }

    // mime types
    if (wp_is_writable(QUADMENU_UPLOAD_DIR)) {
      $this->add('Compiler', array(
          'check_name' => esc_html__('Folder is writable', 'quadmenu'),
          'tooltip' => '',
          'value' => QUADMENU_UPLOAD_DIR,
          'status' => 'green'
      ));
    } else {
      $this->add('Compiler', array(
          'check_name' => esc_html__('Can\'t write uploads folder', 'quadmenu'),
          'tooltip' => '',
          'value' => QUADMENU_UPLOAD_DIR,
          'status' => 'red'
      ));
    }


    // WordPress
    // -----------------------------------------------------------------
    // home url
    $this->add('WordPress and plugins', array(
        'check_name' => 'WP Home URL',
        'tooltip' => 'test tooltip',
        'value' => home_url(),
        'status' => 'info'
    ));

    // site url
    $this->add('WordPress and plugins', array(
        'check_name' => 'WP Site URL',
        'tooltip' => 'test tooltip',
        'value' => site_url(),
        'status' => 'info'
    ));

    // home_url == site_url
    if (home_url() != site_url()) {
      $this->add('WordPress and plugins', array(
          'check_name' => 'Home URL - Site URL',
          'tooltip' => 'Home URL not equal to Site URL, this may indicate a problem with your WordPress configuration.',
          'value' => sprintf('%1$s - <span class="quadmenu-status-small-text">%2$s</span>', esc_html__('Home URL != Site URL', 'quadmenu'), esc_html__('Home URL not equal to Site URL, this may indicate a problem with your WordPress configuration.', 'quadmenu')),
          'status' => 'red'
      ));
    }

    // version
    $this->add('WordPress and plugins', array(
        'check_name' => 'WP version',
        'tooltip' => '',
        'value' => get_bloginfo('version'),
        'status' => 'info'
    ));


    // is_multisite
    $this->add('WordPress and plugins', array(
        'check_name' => 'WP multisite enabled',
        'tooltip' => '',
        'value' => is_multisite() ? 'Yes' : 'No',
        'status' => 'info'
    ));


    // language
    $this->add('WordPress and plugins', array(
        'check_name' => 'WP Language',
        'tooltip' => '',
        'value' => get_locale(),
        'status' => 'info'
    ));

    // theme locations            
    if (!is_array($_wp_registered_nav_menus) || !count($_wp_registered_nav_menus)) {
      $this->add('WordPress and plugins', array(
          'check_name' => 'WP Menu Locations',
          'tooltip' => '',
          'value' => esc_html__('Your theme doesn\'t natively support menus'),
          'status' => 'red'
      ));
    } else {
      $this->add('WordPress and plugins', array(
          'check_name' => 'WP Menu Locations',
          'tooltip' => '',
          'value' => count($_wp_registered_nav_menus),
          'status' => 'green'
      ));
    }

    // memory limit
    $memory_limit = $this->wp_memory_notation_to_number(WP_MEMORY_LIMIT);
    if ($memory_limit < 67108864) {
      $this->add('WordPress and plugins', array(
          'check_name' => 'WP Memory Limit',
          'tooltip' => '',
          'value' => sprintf('%1$s - <span class="quadmenu-status-small-text">%2$s <a href="%3$s" target="_blank">%4$s</a></span>', size_format($memory_limit) . '/request', esc_html__('We recommend setting memory to at least 64MB. The Plugin is well tested with a 40MB/request limit, but if you are using multiple plugins that may not be enough. See: ', 'quadmenu'), 'http://codex.wordpress.org/Editing_wp-config.php#Increasing_memory_allocated_to_PHP', esc_html__('Increasing memory allocated to PHP', 'quadmenu')),
          'status' => 'red'
      ));
    } else {
      $this->add('WordPress and plugins', array(
          'check_name' => 'WP Memory Limit',
          'tooltip' => '',
          'value' => size_format($memory_limit) . '/request',
          'status' => 'green'
      ));
    }


    // wp debug
    if (defined('WP_DEBUG') and WP_DEBUG === true) {
      $this->add('WordPress and plugins', array(
          'check_name' => 'WP_DEBUG',
          'tooltip' => '',
          'value' => esc_html__('WP_DEBUG is enabled', 'quadmenu'),
          'status' => 'yellow'
      ));
    } else {
      $this->add('WordPress and plugins', array(
          'check_name' => 'WP_DEBUG',
          'tooltip' => '',
          'value' => 'False',
          'status' => 'green'
      ));
    }

    // caching
    $caching_plugin_list = array(
        'wp-super-cache/wp-cache.php' => array(
            'name' => 'WP super cache',
            'status' => 'green',
        ),
        'w3-total-cache/w3-total-cache.php' => array(
            'name' => 'W3 total cache',
            'status' => 'green',
        ),
        'wp-fastest-cache/wpFastestCache.php' => array(
            'name' => 'WP Fastest Cache (We haven\'t tested this plugin.)',
            'status' => 'yellow',
        ),
        'wp-rocket/wp-rocket.php' => array(
            'name' => 'WP Rocket (We haven\'t tested this plugin.)',
            'status' => 'yellow',
        ),
    );

    $active_plugins = get_plugins();

    $caching_plugin = esc_html__('No caching plugin detected', 'quadmenu');

    $caching_plugin_status = 'yellow';

    foreach (array_keys($active_plugins) as $active_plugin) {

      if (isset($caching_plugin_list[$active_plugin])) {

        $caching_plugin = $caching_plugin_list[$active_plugin]['name'];
        $caching_plugin_status = $caching_plugin_list[$active_plugin]['status'];
        break;
      }
    }
    $this->add('WordPress and plugins', array(
        'check_name' => 'Caching plugin',
        'tooltip' => '',
        'value' => $caching_plugin,
        'status' => $caching_plugin_status
    ));
  }

  function wp_memory_notation_to_number($size) {
    $l = substr($size, -1);
    $ret = substr($size, 0, -1);
    switch (strtoupper($l)) {
      case 'P':
        $ret *= 1024;
      case 'T':
        $ret *= 1024;
      case 'G':
        $ret *= 1024;
      case 'M':
        $ret *= 1024;
      case 'K':
        $ret *= 1024;
    }
    return $ret;
  }

}

new QuadMenu_Welcome();