( function( $ ) {
	$( document ).on( "click", '.cptchpr_reload_button, .wpcf7-submit, .ac-reply-cancel, .acomment-reply, .woocommerce-checkout #place_order', function( event ) {
		cptchpr_reload( $( this ) );
	}).on( "mouseup", 'input[name="ac_form_submit"]', function( event ) {
		cptchpr_reload( $( this ) );
	}).on( "touchstart", function( event ) {
		if ( cptchpr_vars.enlarge == '1' ) {
			var item    = $( event.target ),
				element = item.hasClass( 'cptchpr_img' ) ? item : ( item.closest( '.cptchpr_img' ).length ? item.closest( '.cptchpr_img' ) : null );
			if ( element && element.length ) {
				event.preventDefault();
				element.toggleClass( 'cptchpr_reduce' );
				$( '.cptchpr_img' ).not( element ).removeClass( 'cptchpr_reduce' );
			} else {
				$( '.cptchpr_img' ).removeClass( 'cptchpr_reduce' );
			}
		}
		if ( item.hasClass( 'cptchpr_reload_button' ) ||  item.attr( 'name' ) == 'ac_form_submit' )
			cptchpr_reload( item );
	});
})(jQuery);

/**
 * Reload captcha
 */
function cptchpr_reload( object ) {
	(function($) {
		var captcha = object.hasClass( '.cptchpr_reload_button' ) ? object.parent().parent( '.cptchpr_wrap' ) : object.closest( 'form' ).find( '.cptchpr_wrap' ),
			button  = captcha.find( '.cptchpr_reload_button' );
		if ( ! captcha.length || button.hasClass( 'cptchpr_active' ) )
			return false;
		button.addClass( 'cptchpr_active' );
		var captcha_block = captcha.parent(),
			input         = captcha.find( 'input:text' ),
			input_name    = input.attr( 'name' ),
			input_class   = input.attr( 'class' ).replace( /cptchpr_input/, '' ).replace( /^\s+|\s+$/g, '' ),
			form_slug     = captcha_block.find( 'input[name="cptchpr_form"]' ).val();
		$.ajax({
			type: 'POST',
			url: cptchpr_vars.ajaxurl,
			data: {
				action:              'cptchpr_reload',
				cptchpr_nonce:       cptchpr_vars.nonce,
				cptchpr_input_name:  input_name,
				cptchpr_input_class: input_class,
				cptchpr_form_slug:   form_slug
			},
			success: function( result ) {
				captcha_block.find( '.cptchpr_to_remove' ).remove();
				var forms = [ 'default', 'wp_login', 'wp_register', 'wp_comments', 'wp_lost_password' ];
				if ( cptchpr_in_array( form_slug, forms ) || input_class === '' )
					captcha.replaceWith( result ); /* for default forms */
				else
					captcha_block.replaceWith( result ); /* for custom forms */
			},
			error : function ( xhr, ajaxOptions, thrownError ) {
				alert( xhr.status );
				alert( thrownError );
			}
		});
	})(jQuery);
}

/**
 * This function is an analog of "in_array" function for PHP
 */
function cptchpr_in_array( needle, haystack ) {
	var found = false,
		key;
	for ( key in haystack ) {
		if ( haystack[ key ] === needle ) {
			found = true;
			break;
		}
	}
	return found;
}