<?php if ( ! defined('ABSPATH')) exit('No direct script access allowed');

/**
 * The admin-specific functionality of the plugin.
 *
 * @link       https://philsbury.uk
 * @since      2.0.0
 *
 * @package    Age_Gate
 * @subpackage Age_Gate/admin
 */

/**
 * The restriction settings of the plugin.
 *
 * @package    Age_Gate
 * @subpackage Age_Gate/admin
 * @author     Phil Baker
 */
class Age_Gate_Restriction extends Age_Gate_Common {

  public function __construct() {

		parent::__construct();

	}

  /**
   * Add the sub menu for restriction Settings
   * @since 2.0.0
   */
  public function add_settings_page()
  {
    add_submenu_page(
			$this->plugin_name,
			__('Age Gate Restriction Settings', 'age-gate'),
			__('Restrictions', 'age-gate'),
			AGE_GATE_CAP_RESTRICTIONS,
			$this->plugin_name,
			array($this, 'display_options_page')
		);
  }

  /**
   * Display restriction settings options
   * @since 2.0.0
   */
  public function display_options_page()
  {
    $language_values = (isset($this->settings['restrictions']['lang']) ? $this->settings['restrictions']['lang'] : []);
    unset($this->settings['restrictions']['lang']);

    $values = $this->_filter_values( get_option('wp_age_gate_restrictions', array()), null);

    if(self::$language){
      $this->settings['restrictions']['lang'] = $values['lang'] = $this->_filter_language_values($language_values);

      foreach ($values['lang'] as $lang => $value) {
        $values['lang'][$lang]['min_age'] = $this->_get_translated_setting('restrictions', 'min_age', $lang, true);
      }

    }
    include AGE_GATE_PATH . 'admin/partials/age-gate-admin-restriction.php';
  }

  /**
   * Handle settings post from form
   * @return mixed
   * @since 2.0.0
   */
  public function handle_form_submission()
  {
    $lang = false;
    // Sanitize the post data
    if (self::$language && isset($_POST['lang'])) {
      $lang = $this->validation->sanitize($_POST['lang']);
    }
    $post = $this->validation->sanitize($_POST);

    if($lang){
      $post['lang'] = $lang;
    }

    if ( ! isset( $post['nonce'] ) || ! wp_verify_nonce( $post['nonce'], 'age_gate_update_restrictions' ) ) {

      $this->_set_admin_notice( array('message' => __('Sorry, your nonce did not verify.', 'age-gate'), 'status' => 'error') );

      // set_transient( 'age_gate_admin_notice',  );
      wp_redirect($post['_wp_http_referer']);
      exit;
    }

    // set empty values so everything is stored
    // this will fix the issue of some settings getting
    // overwritten on update
    $values = $this->_filter_values( $post['ag_settings'], 0);

    update_option('wp_age_gate_restrictions', $values);

    $this->_set_admin_notice( array('message' => __('Settings saved successfully.', 'age-gate'), 'status' => 'success') );

    if($this->settings['advanced']['use_js']){
      $this->_set_admin_notice( array('message' => __('You are using the JavaScript implementation of Age Gate, if you have caching enabled ensure you purge it to see your changes.', 'age-gate'), 'status' => 'info') );
    }

    // set_transient( 'age_gate_admin_notice',  );
    wp_redirect($post['_wp_http_referer']);
  }

  /**
   * Filter to ensure all fields get sent to the DB
   * @param  [type] $data [description]
   * @param  [type] $fill [description]
   * @return [type]       [description]
   * @since   2.0.0
   */
  private function _filter_values($data, $fill)
  {

    $empties = array_fill_keys($this->config->defaults->restrictions, $fill);


    return array_merge($empties, $data);
  }

  /**
   * Filter the language versions of the settings
   * @param  [type] $values [description]
   * @return [type]         [description]
   */
  private function _filter_language_values($values){
    foreach (self::$language->languages as $code => $value) {
      if($code !== self::$language->default['language_code']){
        $data = isset($values[$code]) ? $values[$code] : [];
        $values[$code] = $this->_filter_values($data, null);
      }
    }

    return $values;
  }
}