<?php

/**
 * Our init functions
 **/
function acontact_init() {
  $labels = array(
    'name' => _x( 'Forms', 'post type general name'),
    'singular_name' => _x( 'Form', 'post type singular name'),
    'add_new' => _x( 'Add New', 'form'),
    'add_new_item' => __( 'Add New Form'),
    'edit_item' => __( 'Edit Form'),
    'new_item' => __( 'New Form'),
    'view_item' => __( 'View Form'),
    'search_items' => __( 'Search Forms'),
    'not_found' =>  __( 'No forms found'),
    'not_found_in_trash' => __( 'No forms found in Trash'), 
    'parent_item_colon' => '',
    'menu_name' => 'Contact Forms'
  );
  $args = array(
    'labels' => $labels,
    'public' => false,
    'publicly_queryable' => false,
    'show_ui' => true, 
    'show_in_menu' => true, 
    'query_var' => true,
    'rewrite' => false,
    'capability_type' => 'post',
    'has_archive' => false, 
    'hierarchical' => false,
    'menu_position' => 20,
		'menu_icon' => plugin_dir_url( __FILE__ ) . 'images/post-type-icon.png',
    'supports' => array( 'title' )
  );
  register_post_type( 'iwacontactform', $args );
	wp_register_style( 'ajax-contact-css', plugin_dir_url( __FILE__ ) . 'ajax-contact.css' );
	wp_register_script( 'ajax-contact', plugin_dir_url( __FILE__ ) . 'ajax-contact.js', array( 'jquery' ) );
	wp_enqueue_style( 'ajax-contact-css' );
	wp_enqueue_script( 'ajax-contact' );
}

add_action( 'init', 'acontact_init' );

/**
 * Our admin init functions
 **/
function acontact_admin_init() {
	wp_register_style( 'ajax-contact-admin-css', plugin_dir_url( __FILE__ ) . 'ajax-contact-admin.css' );
	wp_register_script( 'ajax-contact-admin', plugin_dir_url( __FILE__ ) . 'ajax-contact-admin.js', array( 'jquery' ) );
	wp_enqueue_style( 'ajax-contact-admin-css' );
	wp_enqueue_script( 'ajax-contact-admin' );
}

add_action( 'admin_init', 'acontact_admin_init' );

/**
 * Custom sorting function that works with usort()
 * to sort custom field arrays by a child var's value
 **/
function sort_fields( $a, $b ) {
	if ( $a[1] == $b[1] ) return 0;
	return ( $a[1] < $b[1] ) ? -1 : 1;
}

/**
 * trim() all values in an array
 **/
function trim_value( &$value ) {
  $value = trim( $value );
}

/**
 * Parses the provided string and replaces any tags
 * wrapped in [[ ]] with relevant post meta
 *
 * @param string $string The string to parse
 **/
function acontact_parse_special( $string ) {
	
	// If this is a multi-line string, split on new lines
	if ( preg_match( '/\r\n|\r|\n/', $string ) && $lines = preg_split( '/\r\n|\r|\n/', $string ) ) {
		
		$result = array();
		
		foreach ( $lines as $line ) {
			
			// Re-call this function to parse each line
			array_push( $result, acontact_parse_special( trim( $line ) ) );
			
		}
		
		return join( "\n", $result );
		
	}
	
	// Split this string in to single words
	if ( $words = preg_split( '/\ /', $string ) ) {
		
		$result = array();
		
		foreach ( $words as $word ) {
			
			if ( preg_match( '/^\[\[([a-z0-9-_.]+)\]\]$/i', $word, $matches ) ) {
				
				$requested_resource = $matches[1];
				switch( strtolower( $requested_resource ) ) {
					
					case 'the_id':
						array_push( $result, get_the_ID() );
						break;
					
					case 'the_title':
						array_push( $result, get_the_title() );
						break;
					
				}
				
			}
			else {
				
				array_push( $result, $word );
				
			}
			
		}
		
		return join( ' ', $result );
		
	}
	
	return false;
	
}