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

function quadmenu_load_widget() {
  register_widget('quadmenu_widget');
}

add_action('widgets_init', 'quadmenu_load_widget');

class QuadMenu_Widget extends WP_Widget {

  function __construct() {
    self::QuadMenu_Widget();
  }

  function QuadMenu_Widget() {

    $widget_ops = array('classname' => 'widget_quadmenu_widget', 'description' => esc_html__('A widget that displays the menu in the sidebar.', 'quadmenu'));

    $control_ops = array('width' => 200, 'height' => 250, 'id_base' => 'quadmenu_widget');

    parent::__construct('quadmenu_widget', esc_html__('QuadMenu Widget', 'quadmenu'), $widget_ops, $control_ops);
  }

  function widget($args, $instance) {

    extract($args);

    extract(shortcode_atts(array('menu' => '', 'theme' => '', 'layout' => 'inherit'), $instance));

    echo $before_widget;

    $args = array(
        'echo' => false,
        'menu' => $menu,
        'theme' => $theme,
        'layout' => $layout,
        'theme_location' => 'widget',
    );

    if (wp_doing_ajax()) {
      $args['layout_classes'] = 'js';
    }

    echo quadmenu($args);

    echo $after_widget;
  }

  function update($new_instance, $old_instance) {
    $instance = $old_instance;
    $instance['theme'] = strip_tags($new_instance['theme']);
    $instance['menu'] = strip_tags($new_instance['menu']);
    $instance['layout'] = strip_tags($new_instance['layout']);
    return $instance;
  }

  function themes($current = false) {

    global $quadmenu_themes;

    foreach ($quadmenu_themes as $key => $theme) {
      ?>
      <option value="<?php echo esc_attr($key); ?>" <?php echo selected($key, $current); ?>><?php echo esc_html($theme); ?></option>
      <?php
    }
  }

  function menus($current = false) {

    $menus = wp_get_nav_menus();

    foreach ($menus as $key => $menu) {
      ?>
      <option value="<?php echo esc_attr($menu->term_id); ?>" <?php echo selected($menu->term_id, $current); ?>><?php echo esc_html($menu->name); ?></option>
      <?php
    }
  }

  function layouts($current = false) {

    $layouts = array(
        'embed' => esc_html__('Embed', 'quadmenu'),
        'collapse' => esc_html__('Collapse', 'quadmenu'),
        'offcanvas' => esc_html__('Offcanvas', 'quadmenu'),
        'vertical' => esc_html__('Vertical', 'quadmenu'),
        'inherit' => esc_html__('Inherit', 'quadmenu'),
    );

    foreach ($layouts as $key => $layout) {
      ?>
      <option value="<?php echo esc_attr($key); ?>" <?php echo selected($key, $current); ?>><?php echo esc_html($layout); ?></option>
      <?php
    }
  }

  function form($instance) {

    $defaults = array(
        'location' => '',
        'menu' => '',
        'layout' => '',
        'theme' => '',
    );

    $instance = wp_parse_args((array) $instance, $defaults);
    ?>
    <p>
      <label for="<?php echo $this->get_field_id('menu'); ?>"><?php esc_html_e('Menu', 'quadmenu'); ?></label>
      <select id="<?php echo $this->get_field_id('menu'); ?>" name="<?php echo $this->get_field_name('menu'); ?>" class="widefat">
        <?php echo $this->menus($instance['menu']); ?>
      </select>
    </p>
    <p>
      <label for="<?php echo $this->get_field_id('layout'); ?>"><?php esc_html_e('Layout', 'quadmenu'); ?></label>
      <select id="<?php echo $this->get_field_id('layout'); ?>" name="<?php echo $this->get_field_name('layout'); ?>" class="widefat">
        <?php echo $this->layouts($instance['layout']); ?>
      </select>
    </p>
    <p>
      <label for="<?php echo $this->get_field_id('theme'); ?>"><?php esc_html_e('Theme', 'quadmenu'); ?></label>
      <select id="<?php echo $this->get_field_id('theme'); ?>" name="<?php echo $this->get_field_name('theme'); ?>" class="widefat">
        <?php echo $this->themes($instance['theme']); ?>
      </select>
    </p>
    <?php
  }

}