<?php

/**
 * The public-facing functionality of the plugin.
 *
 * @link       http://www.we2ours2.in
 * @since      1.0.0
 *
 * @package    Cf7_2_Post
 * @subpackage Cf7_2_Post/public
 */

/**
 * The public-facing functionality of the plugin.
 *
 * Defines the plugin name, version, and two examples hooks for how to
 * enqueue the admin-specific stylesheet and JavaScript.
 *
 * @package    Cf7_2_Post
 * @subpackage Cf7_2_Post/public
 * @author     Aurovrata V. <vrata@syllogic.in>
 */
class Cf7_2_Post_Public {

	/**
	 * The ID of this plugin.
	 *
	 * @since    1.0.0
	 * @access   private
	 * @var      string    $plugin_name    The ID of this plugin.
	 */
	private $plugin_name;

	/**
	 * The version of this plugin.
	 *
	 * @since    1.0.0
	 * @access   private
	 * @var      string    $version    The current version of this plugin.
	 */
	private $version;
  private $not_form_page;
	/**
	 * Initialize the class and set its properties.
	 *
	 * @since    1.0.0
	 * @param      string    $plugin_name       The name of the plugin.
	 * @param      string    $version    The version of this plugin.
	 */
	public function __construct( $plugin_name, $version ) {

		$this->plugin_name = $plugin_name;
		$this->version = $version;
    $this->not_form_page = true;
	}

	/**
	 * Register the JavaScript for the public-facing side of the site.
	 *
	 * @since    1.0.0
	 */
	public function register_scripts() {
    $plugin_dir = plugin_dir_url( __DIR__ );
    wp_register_script( $this->plugin_name.'-save', $plugin_dir . 'public/js/cf7-2-post-save-draft.js', array( 'jquery' ), $this->version, true );
		wp_register_script( $this->plugin_name.'-load', $plugin_dir . 'public/js/cf7-2-post-public.js', array( 'jquery' ), $this->version, true );
    wp_register_script('hybriddd-js',$plugin_dir . 'assets/hybrid-html-dropdown/hybrid-dropdown.min.js', null, $this->version, true);
	}
  /**
  * Register style
  *
  *@since 5.2.2
  */
  public function register_styles(){
    $plugin_dir = plugin_dir_url( __DIR__ );
    wp_register_style( $this->plugin_name.'-css', $plugin_dir . 'public/css/cf7-2-post-styling.css', null, $this->version);
    wp_register_style('hybriddd-style', $plugin_dir . 'assets/hybrid-html-dropdown/hybrid-dropdown.min.css', null, $this->version);

  }
  /**
  * Saves a cf7 form submission to its mapped post
  * Hooks 'wpcf7_before_send_mail' just after all validation is done
  * @since 1.0.0
  * @param  WPCF7_Contact_Form $cf7_form  cf7 form object
  */
  public function save_cf7_2_post($cf7_form){

    //load the form factory
    $cf7_post_id = $cf7_form->id();
    //is this form mapped yet?
    $factory = c2p_get_factory();
    if($factory->is_live($cf7_post_id)){
      //the curent submission object from cf7 plugin
      $submission = WPCF7_Submission::get_instance();

      if( $factory->is_filter($cf7_post_id)){ //backward compatibility.
        /**
        * Action to by-pass the form submission process altogether.
        * @since v1.3.0
        * @param string $key unique form key.
        * @param array $data array of submitted key=>value pairs.
        * @param array $file array of submitted files if any.
        */
        do_action( 'cf7_2_post_save_submission', get_cf7form_key($cf7_post_id), $submission->get_posted_data(), $submission->uploaded_files());
        return;
      }
      $mapper = $factory->get_post_mapper($cf7_post_id);
      $post_id = $mapper->save_form_2_post($submission);
      self::setup_mailtags_for_mapped_post($post_id); /** @since 5.4.3 */
    }
    return $cf7_form;
  }
  /** @since 4.1.0 handle post link mail tag.
  * NOTE: the post_Id could be either a submitted form or a draft save.
  * either way, the mail tag filter will only fire for submitted forms.
  */
  static public function setup_mailtags_for_mapped_post($post_id){
    add_filter('wpcf7_special_mail_tags', function($value, $tag, $html) use ($post_id){
      switch($tag){
        case 'cf7_2_post-edit':
          $value = admin_url('post.php?post='.$post_id.'&action=edit');
          break;
        case 'cf7_2_post-permalink':
          $value = get_permalink($post_id);
          break;
      }
      return $value;
    },10,3);
  }
  /**
   * Function to skip mail if this is a draft form being sent.
   * Hooked on 'wpcf7_skip_mail'.  Skip mail also stops form clearance on being saved.
   * @since 2.0.0
   * @param      boolean    $skip_mail     boolean flag.
   * @return     boolean    true to skip mails if this is adraft form being saved .
  **/
  public function skip_cf7_mail($skip_mail){
    if(isset($_POST['save_cf7_2_post']) && 'true'==$_POST['save_cf7_2_post']){
      $skip_mail = true;
    }
    return $skip_mail;
  }
  /**
   * Function to load scripts rqeuired for cf7 form loading
   * hooked on WP 4.7 'do_shortcode_tag' filter
   * @since 1.3.0
   * @param string $output Shortcode output.
 	 * @param string $tag    Shortcode name.
 	 * @param array  $attr   Shortcode attributes array,
   * @return     string    shortcode html string.
  **/
  public function load_cf7_script($output, $tag, $attr){
    if('contact-form-7' != $tag){
      return $output;
    }
    if(!isset($attr['id'])){
      debug_msg($attr, "Missing cf7 shortcode id attribute");
      return $output;
    }
    $cf7_id = $attr['id'];
    //let get the corresponding factory object,
    $factory = c2p_get_factory();
    if( $factory->is_mapped($cf7_id) ){
      $cf7_2_post_id ='';
      $cf7_key = get_cf7form_key($cf7_id);
      if( !$factory->is_filter($cf7_id) ){
        $mapper = $factory->get_post_mapper($cf7_id);
        //let's ensure the page does not cache our values.
        $this->not_form_page = false;
        //unique nonce
        $nonce = 'cf7_2_post_'.wp_create_nonce( 'cf7_2_post'.rand() );
        //verify if this cf7 form is mapped to a specific post.
        if(isset($attr['cf7_2_post_id'])){
          $cf7_2_post_id = $attr['cf7_2_post_id'];
        }
        $form_values = $factory->get_form_values($cf7_id, $cf7_2_post_id);
        $inline_script = $factory->get_form_field_script( $nonce,$mapper );
        wp_enqueue_script($this->plugin_name.'-load'); //previously registered.
        wp_localize_script($this->plugin_name.'-load', $nonce, $form_values);
        wp_add_inline_script($this->plugin_name.'-load', $inline_script);
        $scripts = apply_filters('cf7_2_post_form_append_output', '', $attr, $nonce, $mapper->cf7_key, $form_values);
        $output = '<div id="'.$nonce.'" class="cf7_2_post cf7_form_'.$cf7_id.'">'.$output.PHP_EOL.$scripts.'</div>';
        wp_enqueue_style($this->plugin_name.'-css');
      }
      /**
      * Action for enqueueing other scripts.
      * @since 3.8.0.
      * @param string $cf7_key unique key of form being printed.
      * @param int $cf7_2_post_id post ID of form being printed.
      */
      do_action('cf72post_form_printed_to_screen', $cf7_key, $cf7_2_post_id);
    }
    return $output;
  }
  /**
  *Disables browser page caching for forms which are mapped to a post.
  * Hooked on 'wp_head' in fn load_cf7_script.
  *@since 3.0.0
  */
  public function disable_browser_page_cache(){
    if(!$this->scan_for_mapped_forms()) return;
    if(!apply_filters('cf7_2_post_print_page_nocache_metas', true)) return;
      ?>
    <meta http-equiv="cache-control" content="max-age=0" />
    <meta http-equiv="cache-control" content="no-cache" />
    <meta http-equiv="expires" content="0" />
    <meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT" />
    <meta http-equiv="pragma" content="no-cache" />
      <?php
  }
  /**
  * Function to scan the current post content for mapped cf7 forms.
  *
  *@since 3.0.0
  *@param string $content content to check, else it will try to get the global $post object's content.
  *@return boolean true if found.
  */
  public function scan_for_mapped_forms($content=null){
    global $post;
    $has_mapped_form = false;
    if(null === $content){
      if(isset($post)) $content = $post->post_content;
      else $content = '';
    }
    if(empty($content)){
      return $has_mapped_form;
    }
    $shortcodes = array('cf7-form', 'contact-form-7');
    $pattern = get_shortcode_regex();

    // if shortcode 'book' exists
    if ( preg_match_all( '/'. $pattern .'/s', $content, $matches )
      && array_key_exists( 2, $matches )
      && !empty(array_intersect( $shortcodes, $matches[2] )) )  {
        $shortcode_atts = array();
        foreach($shortcodes as $shortcode){
          $shortcode_atts = array_merge( $shortcode_atts, array_keys($matches[2], $shortcode));
        }
       // if shortcode has attributes
       $cf7_forms = array();
       if (!empty($shortcode_atts)) {
        foreach($shortcode_atts as $idx) {
          preg_match('/id="(\d+)"/', $matches[3][$idx], $cf7_id);
          preg_match('/cf7key="(.*)"/', $matches[3][$idx], $cf7_key);
          if(!empty($cf7_id)){
            $cf7_forms[]= $cf7_id[1];
          }else if(!empty($cf7_key)){
            $cf7_forms[]= Cf7_WP_Post_Table::form_id($cf7_key[1]);
          }
        }
      }
      $factory = c2p_get_factory();
      foreach($cf7_forms as $form_id){
        $has_mapped_form = $factory->is_mapped($form_id);
        if($has_mapped_form) break;
      }
    }
    return $has_mapped_form;
  }
  /**
   * Register a [save] shortcode with CF7.
   * Hooked  on 'wpcf7_init'
   * This function registers a callback function to expand the shortcode for the save button field.
   * @since 2.0.0
   */
  public function save_button_shortcode_handler() {
    if( function_exists('wpcf7_add_form_tag') ) {
      wpcf7_add_form_tag(
        array( 'save' ),
        array($this,'save_button_display'),
        false //no name
      );
    }
  }
  /**
	 * Dsiplays the save button field
	 * This function expands the shortcode into the required hiddend fields
	 * to manage the googleMap forms.  This function is called by cf7 directly, registered above.
	 *
	 * @since 1.0.0
	 * @param strng $tag the tag name designated in the tag help screen
	 * @return string a set of html fields to capture the googleMap information
	 */
	public function save_button_display( $tag ) {
    //check if this form is currently mapped;
    $atts = array();
    $disabled = false;
    $cf7_form = wpcf7_get_current_contact_form();
    $factory = c2p_get_factory();
    $cf7_key = get_cf7form_key($cf7_form->id());
    // $mapper = $factory->get_post_mapper($cf7_form->id());

    if(!$factory->is_live($cf7_form->id())){
      $disabled = true;
    }
    //enqueue required scripts and styles
    wp_enqueue_script( $this->plugin_name.'-save');
    /** @since 5.4.7 fix block-theme localise bug */
    $localise = json_encode(array(
      'disabled'=>$disabled,
      'error' => __('save is disabled, form is not mapped.','post-my-contact-form-7' ),
      'paint'=>apply_filters('c2p_autostyle_save_button', true, $cf7_key)
    ));
    add_action('wp_footer', function() use ($localise){
      printf('<script type="text/javascript">var cf72post_save = %1$s</script>', $localise);
    });

    $tag = new WPCF7_FormTag( $tag );
    $class = wpcf7_form_controls_class( $tag->type );


  	$atts['class'] = $tag->get_class_option( $class );
    $atts['class'] .=' wpcf7-submit cf7_2_post_save ';//. apply_filters('c2p_set_save_button_class', '', $cf7_key);;
  	$atts['id'] = $tag->get_id_option();//apply_filters('c2p_set_save_button_id', 'c2p-save-draft', $cf7_key);
    // debug_msg($tag, $tag->get_id_option());
  	$atts['tabindex'] = $tag->get_option( 'tabindex', 'int', true );

  	$value = isset( $tag->values[0] ) ? $tag->values[0] : '';

  	if ( empty( $value ) ) {
  		$value = __( 'Save', 'contact-form-7' );
  	}

  	$atts['type'] = 'submit';
  	$atts['value'] = $value;

  	$atts = wpcf7_format_atts( $atts );

  	$html = sprintf( '<input %1$s />', $atts );
    $html .=PHP_EOL.'<input type="hidden" name="save_cf7_2_post" class="cf7_2_post_draft" value="false"/>';
    return $html;
	}
  /**
   * Reset cf7 validation if this form is being saved as a draft.
   * Hooked to filter 'wpcf7_validate', sets up the final $results object
   * @since 2.0.0
   * @param WPCF7_Validation $results   validation object
   * @param Array $tags   an array of cf7 tag used in this form
   * @return WPCF7_Validation  validation results
  **/
  public function save_skips_wpcf7_validate($results, $tags){
    if( !isset($_POST['save_cf7_2_post']) || 'false'==$_POST['save_cf7_2_post']){
      return $results;
    }
    $cf7form = WPCF7_ContactForm::get_current();
    $cf7_id = $cf7form->id();
    $cf7_post = get_post($cf7_id, ARRAY_A);
    $cf7_key = $cf7_post['post_name'];
    /**
    * Filter to skip validation if this form is being saved as a draft
    * @since 2.0.0
    * @param boolean $skip_validation  default to true
    * @param string $cf7_key  current form's unique key identifier
    */
    $skip_validation = true;

    if(apply_filters('cf7_2_post_draft_skips_validation', $skip_validation, $cf7_key)){
      $results = new WPCF7_Validation();
    }
    //skip mail by default
    $skip_mail = true;
    /**
    * Filter to skip mail sending if this form is being saved as a draft
    * @since 2.0.0
    * @param boolean $skip_mail  default to true
    * @param string $cf7_key  current form's unique key identifier
    */
    if(apply_filters('cf7_2_post_draft_skips_mail', $skip_mail, $cf7_key)){
      add_filter('wpcf7_skip_mail', function($skip_mail, $contact_form) use($cf7_id){
        if($cf7_id === $contact_form->id()){
          return true;
        }else{
          return $skip_mail;
        }
      }, 10, 2);
    }
    return $results;
  }
  /**
  * Method to skip CF7 plugin calidation of file fields when saving draft form.
  * Hooked to 'wpcf7_validate_file'
  *@since 5.0.0
  * @param WPCF7_Validation $results   validation object
  * @param WPCF7_FormTag $tags  file tag object.
  * @return WPCF7_Validation  validation results
  */
  public function save_skips_file_validation($result, $tag){
    if( !isset($_POST['save_cf7_2_post']) || 'false'==$_POST['save_cf7_2_post']){
      return $result;
    }
    $cf7form = WPCF7_ContactForm::get_current();
    $cf7_id = $cf7form->id();
    $cf7_post = get_post($cf7_id, ARRAY_A);
    $cf7_key = $cf7_post['post_name'];
    /**
    * Filter to skip validation if this form is being saved as a draft
    * @since 2.0.0
    * @param boolean $skip_validation  default to true
    * @param string $cf7_key  current form's unique key identifier
    */
    $skip_validation = true;

    if(apply_filters('cf7_2_post_draft_skips_validation', $skip_validation, $cf7_key)){
      $result = new WPCF7_Validation();
    }
    return $result;
  }
  /**
  * Map author to hidden field on form load.
  * Hooked to 'wpcf7_form_hidden_fields'
  *@since 3.9.0
  *@param array $param array of hidden fields
  *@return array array of hidden fields
  */
  public function add_hidden_fields($hidden){
    $author = 1;//default to admin.
    if(current_user_can('edit_posts')){
      $user = wp_get_current_user();
      $author = $user->ID;
    }
    $hidden['_map_author'] = $author;
    return $hidden;
  }
  /**
  * Filter message for draft forms.
  * hooked to
  *@since 4.0.0
  *@param string $param text_description
  *@return string text_description
  */
  public function draft_message($message, $status){
    if('mail_sent_ok'==$status && isset($_POST['save_cf7_2_post']) && 'true'==$_POST['save_cf7_2_post']){
      $form = wpcf7_get_current_contact_form();
      if(!empty($form)){
        $messages=$form->prop('messages');
        $message = isset( $messages['draft_saved'] ) ? $messages['draft_saved'] : $message;
      }
    }
    return $message;
  }
  /**
  *  Funciton to un-array single select values
  * Hooked to 'wpcf7_posted_data_{$tag_type}'
  *@since 4.1.8
  *@param string $value cf7 plugin submitted value
  *@param string $field field name
  *@return string single value if original was single.
  */
  public function array_to_single($value, $org, $tag){
    if(is_array($value) && !is_array($_POST[$tag->name])){
      $value = $_POST[$tag->name];
    }
    return $value;
  }
}