<?php

// Exit if accessed directly
if (!defined('ABSPATH')) {
  exit();
}

class Vimeography_Admin_Menu
{
  protected $_mustache;
  protected $_controller;
  protected $_view;

  public function __construct()
  {
    add_action('admin_menu', array($this, 'vimeography_add_menu'));
    add_filter(
      'set-screen-option',
      array($this, 'set_galleries_per_page'),
      10,
      3
    );

    $this->_mustache = new Mustache_Engine(array(
      'loader' => new Mustache_Loader_FilesystemLoader(
        VIMEOGRAPHY_PATH . 'lib/admin/templates'
      )
    ));
  }

  /**
   * Adds a new top level menu to the admin menu.
   *
   * @access public
   * @return void
   */
  public function vimeography_add_menu()
  {
    global $submenu;
    $hooks = array();

    $capability = apply_filters(
      'vimeography.capabilities.menu',
      'manage_options'
    );

    add_menu_page(
      'Vimeography Page Title',
      'Vimeography',
      $capability,
      'vimeography-edit-galleries',
      '',
      'data:image/svg+xml;base64,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'
    );
    $hooks['edit_galleries'] = add_submenu_page(
      'vimeography-edit-galleries',
      __('Edit Galleries', 'vimeography'),
      __('Edit Galleries', 'vimeography'),
      $capability,
      'vimeography-edit-galleries',
      array(&$this, 'vimeography_render_template')
    );
    $hooks['new_gallery'] = add_submenu_page(
      'vimeography-edit-galleries',
      __('New Gallery', 'vimeography'),
      __('New Gallery', 'vimeography'),
      $capability,
      'vimeography-new-gallery',
      array(&$this, 'vimeography_render_template')
    );
    $hooks['manage_licenses'] = add_submenu_page(
      'vimeography-edit-galleries',
      __('Manage Licenses', 'vimeography'),
      __('Manage Licenses', 'vimeography'),
      $capability,
      'vimeography-manage-activations',
      array(&$this, 'vimeography_render_template')
    );
    if (current_user_can($capability)) {
      $submenu['vimeography-edit-galleries'][500] = array(
        __('Preview Themes', 'vimeography'),
        $capability,
        'http://vimeography.com/themes'
      );
    }
    $hooks['vimeography_pro'] = add_submenu_page(
      'vimeography-edit-galleries',
      'Vimeography Pro',
      'Vimeography Pro',
      $capability,
      'vimeography-pro',
      array(&$this, 'vimeography_render_template')
    );
    $hooks['vimeography_help'] = add_submenu_page(
      'vimeography-edit-galleries',
      __('Help', 'vimeography'),
      __('Help', 'vimeography'),
      $capability,
      'vimeography-help',
      array(&$this, 'vimeography_render_template')
    );
    $hooks['vimeography_welcome'] = add_submenu_page(
      'options.php',
      __('Welcome to Vimeography', 'vimeography'),
      __('Welcome to Vimeography', 'vimeography'),
      $capability,
      'vimeography-welcome',
      array(&$this, 'vimeography_render_template')
    );

    foreach ($hooks as $page => $hook) {
      // Runs before any output
      add_action('load-' . $hook, array($this, 'load_' . $page . '_page'));

      // Render whatever you want at the bottom
      // add_action( $hook, array($this, 'render_' . $page . '_page') );
    }
  }

  /**
   * [load_edit_galleries_page description]
   * @return [type] [description]
   */
  public function load_edit_galleries_page()
  {
    if (isset($_GET['id'])) {
      require_once VIMEOGRAPHY_PATH . 'lib/admin/controllers/gallery/edit.php';

      if (is_plugin_active('vimeography-pro/vimeography-pro.php')) {
        do_action('vimeography-pro/load-editor');
        $this->_controller = new Vimeography_Pro_Gallery_Edit();
      } else {
        $this->_controller = new Vimeography_Gallery_Edit();
      }

      $this->_view = $this->_mustache->loadTemplate('gallery/edit/layout');
    } else {
      require_once VIMEOGRAPHY_PATH . 'lib/admin/controllers/gallery/list.php';
      if (is_plugin_active('vimeography-pro/vimeography-pro.php')) {
        do_action('vimeography-pro/load-list');
        $this->_controller = new Vimeography_Pro_Gallery_List();
      } else {
        $this->_controller = new Vimeography_Gallery_List();
      }
      $this->_view = $this->_mustache->loadTemplate('gallery/list');
    }
    self::vimeography_process_actions();
  }

  /**
   * [load_new_gallery_page description]
   * @return [type] [description]
   */
  public function load_new_gallery_page()
  {
    require_once VIMEOGRAPHY_PATH . 'lib/admin/controllers/gallery/new.php';

    if (is_plugin_active('vimeography-pro/vimeography-pro.php')) {
      do_action('vimeography-pro/load-new');
      $this->_controller = new Vimeography_Pro_Gallery_New();
    } else {
      $this->_controller = new Vimeography_Gallery_New();
    }

    $this->_view = $this->_mustache->loadTemplate('gallery/new');
    self::vimeography_process_actions();
  }

  /**
   * [load_manage_licenses_page description]
   * @return [type] [description]
   */
  public function load_manage_licenses_page()
  {
    require_once VIMEOGRAPHY_PATH . 'lib/admin/controllers/theme/list.php';
    $this->_controller = new Vimeography_Theme_List();
    $this->_view = $this->_mustache->loadTemplate('theme/list');
    self::vimeography_process_actions();
  }

  /**
   * [load_vimeography_pro_page description]
   * @return [type] [description]
   */
  public function load_vimeography_pro_page()
  {
    require_once VIMEOGRAPHY_PATH . 'lib/admin/controllers/vimeography/pro.php';
    $this->_controller = new Vimeography_Pro_About();
    $this->_view = $this->_mustache->loadTemplate('vimeography/pro');
    self::vimeography_process_actions();
  }

  /**
   * [load_vimeography_help_page description]
   * @return [type] [description]
   */
  public function load_vimeography_help_page()
  {
    require_once VIMEOGRAPHY_PATH .
      'lib/admin/controllers/vimeography/help.php';
    $this->_controller = new Vimeography_Help();
    $this->_view = $this->_mustache->loadTemplate('vimeography/help');
    self::vimeography_process_actions();
  }

  /**
   * [load_vimeography_welcome_page description]
   * @return [type] [description]
   */
  public function load_vimeography_welcome_page()
  {
    require_once VIMEOGRAPHY_PATH .
      'lib/admin/controllers/vimeography/welcome.php';
    $this->_controller = new Vimeography_Welcome();

    switch ($_GET['step']) {
      case 2:
        $step = 'welcome-step-2';
        break;
      case 3:
        $step = 'welcome-step-3';
        break;
      default:
        $step = 'welcome-step-1';
        break;
    }

    $this->_controller->step = $this->_mustache
      ->loadTemplate('vimeography/partials/' . $step)
      ->render($this->_controller);

    $this->_view = $this->_mustache->loadTemplate('vimeography/welcome');
    self::vimeography_process_actions();
  }

  /**
   * Renders the admin template for the current page.
   *
   * @access public
   * @return void
   */
  public function vimeography_render_template()
  {
    $capability = apply_filters(
      'vimeography.capabilities.menu',
      'manage_options'
    );

    if (!current_user_can($capability)) {
      wp_die(
        __(
          'You do not have sufficient permissions to access this page.',
          'vimeography'
        )
      );
    }

    echo $this->_view->render($this->_controller);
  }

  /**
   * Processes all Vimeography actions sent via POST and GET by looking for the 'vimeography-action'
   * request and running do_action() to call the function
   *
   * @return void
   */
  public static function vimeography_process_actions()
  {
    if (isset($_POST['vimeography-action'])) {
      do_action('vimeography_action_' . $_POST['vimeography-action'], $_POST);
    }

    if (isset($_GET['vimeography-action'])) {
      do_action('vimeography_action_' . $_GET['vimeography-action'], $_GET);
    }
  }

  /**
   * Sets the galleries per page in the screen options on the gallery list page.
   *
   * @param [type] $status [description]
   * @param [type] $option [description]
   * @param [type] $value  [description]
   */
  public function set_galleries_per_page($status, $option, $value)
  {
    if ('vimeography_galleries_per_page' == $option) {
      return $value;
    }
    return $status;
  }
}