<?php
/**
 * Auxin Elements.
 *
 * @echo HEADER
 */

if ( ! class_exists( 'AUXELS' ) ) :



class AUXELS {

  /**
   * Unique identifier for your plugin.
   *
   * The variable name is used as the text domain when internationalizing strings of text.
   *
   * @since    1.0.0
   *
   * @var      string
   */
  protected $plugin_slug = 'auxin-elements';

  /**
   * Instance of this class.
   *
   * @since    1.0.0
   *
   * @var      object
   */
  protected static $instance = null;


  /**
   * Instance of Admin class.
   *
   * @since    1.0.0
   *
   * @var      object
   */
  public $admin = null;



  /**
   * Initialize the plugin
   *
   * @since     1.0.0
   */
  private function __construct() {

    $this->includes();

    add_action( 'init', array( $this, 'init' ) );


    // Activate plugin when new blog is added
    add_action( 'wpmu_new_blog', array( $this, 'activate_new_site' ) );

    // Loaded action
    do_action( 'auxels_loaded' );
  }


  /**
   *
   * @return [type] [description]
   */
    private function includes() {

        // Auto-load classes on demand
        if ( function_exists( "__autoload" ) ) {
            spl_autoload_register( "__autoload" );
        }
        spl_autoload_register( array( $this, 'autoload' ) );


        // load common functionalities
        include_once( AUXELS_INC_DIR . '/index.php' );


        // Dashboard and Administrative Functionality
        if ( is_admin() ) {

          // Load AJAX spesific codes on demand
          if ( defined('DOING_AJAX') && DOING_AJAX ){
            include( AUXELS_ADMIN_DIR . '/includes/admin-ajax.php' );
            include( 'includes/frontend-ajax.php' );
          }

          // Load admin spesific codes
          else {
            $this->admin = include( AUXELS_ADMIN_DIR . '/class-auxels-admin.php' );
          }

        // Load Frontend Functionality
        } else {
            include 'includes/index.php';
        }

    }



    /**
     * Auto-load classes on demand to reduce memory consumption
     *
     * @param mixed $class
     * @return void
     */
    public function autoload( $class ) {
        $path  = null;
        $class = strtolower( $class );
        $file = 'class-' . str_replace( '_', '-', $class ) . '.php';

        // the possible pathes containing classes
        $possible_pathes = array(
            AUXELS_INC_DIR   . '/classes/'
        );

        foreach ( $possible_pathes as $path ) {
            if( is_readable( $path . $file ) ){
                include_once( $path . $file );
                return;
            }

        }

    }



    /**
    * Init the plugin when WordPress Initialises.
    *
    * @return void
    */
    public function init(){

        // @deprecate version 5.0
        global $wp_version;
        if ( version_compare( $wp_version, '4.6', '<' ) ) {
            // Load plugin text domain
            $this->load_plugin_textdomain();
        }
    }


  /**
   * Return an instance of this class.
   *
   * @since     1.0.0
   *
   * @return    object    A single instance of this class.
   */
  public static function get_instance() {

    // If the single instance hasn't been set, set it now.
    if ( null == self::$instance ) {
      self::$instance = new self;
    }

    return self::$instance;
  }


  /**
   * Fired when the plugin is activated.
   *
   * @since    1.0.0
   *
   * @param    boolean    $network_wide    True if WPMU superadmin uses
   *                                       "Network Activate" action, false if
   *                                       WPMU is disabled or plugin is
   *                                       activated on an individual blog.
   */
  public static function activate( $network_wide ) {

    if ( function_exists( 'is_multisite' ) && is_multisite() ) {

      if ( $network_wide  ) {

        // Get all blog ids
        $blog_ids = self::get_blog_ids();

        foreach ( $blog_ids as $blog_id ) {

          switch_to_blog( $blog_id );
          self::single_activate();
        }

        restore_current_blog();

      } else {
        self::single_activate();
      }

    } else {
      self::single_activate();
    }

  }


  /**
   * Fired when the plugin is deactivated.
   *
   * @since    1.0.0
   *
   * @param    boolean    $network_wide    True if WPMU superadmin uses
   *                                       "Network Deactivate" action, false if
   *                                       WPMU is disabled or plugin is
   *                                       deactivated on an individual blog.
   */
  public static function deactivate( $network_wide ) {

    if ( function_exists( 'is_multisite' ) && is_multisite() ) {

      if ( $network_wide ) {

        // Get all blog ids
        $blog_ids = self::get_blog_ids();

        foreach ( $blog_ids as $blog_id ) {

          switch_to_blog( $blog_id );
          self::single_deactivate();

        }

        restore_current_blog();

      } else {
        self::single_deactivate();
      }

    } else {
      self::single_deactivate();
    }

  }


    /**
     * Fired for each blog when the plugin is activated.
     *
     * @since    1.0.0
     */
    private static function single_activate() {
        add_action( 'after_setup_theme', array( 'AUXELS', 'flush' ) );

        do_action( 'auxels_activated', get_current_blog_id() );
    }


    /**
     * Fired for each blog when the plugin is deactivated.
     *
     * @since    1.0.0
     */
    private static function single_deactivate() {
        do_action( 'auxels_deactivated' );
    }


  /**
   * Fired when a new site is activated with a WPMU environment.
   *
   * @since    1.0.0
   *
   * @param    int    $blog_id    ID of the new blog.
   */
  public function activate_new_site( $blog_id ) {

    if ( 1 !== did_action( 'wpmu_new_blog' ) ) {
      return;
    }

    switch_to_blog( $blog_id );
    self::single_activate();
    restore_current_blog();

  }

  /**
   * Get all blog ids of blogs in the current network that are:
   * - not archived
   * - not spam
   * - not deleted
   *
   * @since    1.0.0
   *
   * @return   array|false    The blog ids, false if no matches.
   */
  private static function get_blog_ids() {

    global $wpdb;

    // get an array of blog ids
    $sql = "SELECT blog_id FROM $wpdb->blogs
      WHERE archived = '0' AND spam = '0'
      AND deleted = '0'";

    return $wpdb->get_col( $sql );

  }

    /**
     * Flush and perform some tasks on theme setup
     *
     * @since    1.0.0
     */
    public static function flush() {
        // try to regenerate the asset files on plugin activation
        auxin_add_custom_js();
        auxin_add_custom_css();
    }

  /**
   * Load the plugin text domain for translation.
   *
   * @since    1.0.0
   */
  public function load_plugin_textdomain() {

    $locale = apply_filters( 'plugin_locale', get_locale(), 'auxin-elements' );
    load_textdomain( 'auxin-elements', trailingslashit( WP_LANG_DIR ) . 'auxin-elements' . '/' . 'auxin-elements' . '-' . $locale . '.mo' );
    load_plugin_textdomain( 'auxin-elements', FALSE, basename( AUXELS_DIR ) . '/languages/' );
  }

}

endif;

function AUXELS(){ return AUXELS::get_instance(); }
AUXELS();
