<?php

class QLIGG
{

  protected static $instance;

  public static function instance()
  {
    if (!isset(self::$instance)) {
      self::$instance = new self();
      self::$instance->api();
      self::$instance->init();
      self::$instance->includes();
    }
    return self::$instance;
  }

  function init()
  {
    add_action('widgets_init', array($this, 'register_widget'));
    do_action('qligg_init');
    load_plugin_textdomain('insta-gallery', false, QLIGG_PLUGIN_DIR . '/languages/');
  }

  function includes()
  {
    include_once(QLIGG_PLUGIN_DIR . 'includes/notices.php');
    include_once(QLIGG_PLUGIN_DIR . 'includes/helpers.php');
    include_once(QLIGG_PLUGIN_DIR . 'includes/widget.php');
    include_once(QLIGG_PLUGIN_DIR . 'includes/compatibility.php');
    include_once(QLIGG_PLUGIN_DIR . 'includes/backend.php');
    include_once(QLIGG_PLUGIN_DIR . 'includes/frontend.php');
  }

  function register_widget()
  {
    if (class_exists('QLIGG_Widget')) {
      register_widget('QLIGG_Widget');
    }
  }

  function api()
  {

    global $qliggAPI;

    include_once(QLIGG_PLUGIN_DIR . 'includes/api/api.php');
    include_once(QLIGG_PLUGIN_DIR . 'includes/api/apiFeed.php');
    include_once(QLIGG_PLUGIN_DIR . 'includes/api/apiBASIC.php');
    include_once(QLIGG_PLUGIN_DIR . 'includes/api/apiPersonal.php');
    include_once(QLIGG_PLUGIN_DIR . 'includes/api/apiBusiness.php');

    $qliggAPI = new stdClass();

    $qliggAPI->FEED = QLIGG_API_Feed::instance();
    $qliggAPI->BASIC = QLIGG_API_Basic::instance();
    $qliggAPI->PERSONAL = QLIGG_API_Personal::instance();
    $qliggAPI->BUSINESS = QLIGG_API_Business::instance();
  }

  public static function do_activation()
  {
    set_transient('qligg-first-rating', true, MONTH_IN_SECONDS);
  }

  public static function is_min()
  {
    if (!QLIGG_DEVELOPER && (!defined('SCRIPT_DEBUG') || !SCRIPT_DEBUG)) {
      return '.min';
    }
  }
}

QLIGG::instance();