<?php
/**
 * Jetpack Forms.
 *
 * @package Dealroot
 */

namespace Dealroot\Forms;

use Dealroot\Capture;

defined( 'ABSPATH' ) || exit;

/**
 * Captures Jetpack contact forms once their response is stored.
 */
class Jetpack_Forms extends Integration {

	/**
	 * {@inheritDoc}
	 */
	public static function is_available() {
		return class_exists( '\\Automattic\\Jetpack\\Forms\\ContactForm\\Contact_Form' ) || class_exists( '\\Grunion_Contact_Form' );
	}

	/**
	 * {@inheritDoc}
	 */
	public static function key() {
		return 'jetpack';
	}

	/**
	 * {@inheritDoc}
	 */
	public static function label() {
		return 'Jetpack Forms';
	}

	/**
	 * Title of a form saved as a post of its own.
	 *
	 * @param int $form_id Form ID.
	 * @return string
	 */
	public static function form_title( $form_id ) {
		return self::post_title( $form_id, 'jetpack_form' );
	}

	/**
	 * {@inheritDoc}
	 */
	public function register() {
		add_action( 'grunion_after_feedback_post_inserted', array( $this, 'capture' ), 10, 4 );
	}

	/**
	 * Stores the submission.
	 *
	 * @param int   $post_id        Response post ID.
	 * @param array $visible_fields Fields the visitor saw.
	 * @param bool  $is_spam        Whether Akismet flagged it.
	 * @param array $entry_values   Response details.
	 */
	public function capture( $post_id, $visible_fields, $is_spam, $entry_values = array() ) {
		if ( $is_spam || in_array( get_post_status( $post_id ), array( 'spam', 'trash' ), true ) || self::is_test( $post_id ) ) {
			return;
		}

		$fields = array();
		$form   = null;

		foreach ( (array) $visible_fields as $field ) {
			if ( ! is_object( $field ) || ! method_exists( $field, 'get_attribute' ) ) {
				continue;
			}

			$form     = $form ? $form : ( $field->form ?? null );
			$fields[] = array(
				'label' => (string) $field->get_attribute( 'label' ),
				'name'  => (string) $field->get_attribute( 'id' ),
				'type'  => (string) $field->get_attribute( 'type' ),
				'value' => $field->value ?? '',
			);
		}

		$title = is_object( $form ) && method_exists( $form, 'get_attribute' ) ? (string) $form->get_attribute( 'formTitle' ) : '';

		if ( '' === $title ) {
			$title = (string) ( $entry_values['entry_title'] ?? __( 'Jetpack form', 'dealroot' ) );
		}

		Capture::submission(
			self::key(),
			is_object( $form ) && method_exists( $form, 'get_attribute' ) ? (string) $form->get_attribute( 'id' ) : '',
			$title,
			$fields
		);
	}

	/**
	 * Whether the response is a test from the form editor.
	 *
	 * @param int $post_id Response post ID.
	 * @return bool
	 */
	private static function is_test( $post_id ) {
		$class = '\\Automattic\\Jetpack\\Forms\\ContactForm\\Feedback';

		if ( ! class_exists( $class ) || ! method_exists( $class, 'get' ) ) {
			return false;
		}

		$feedback = $class::get( $post_id );

		return is_object( $feedback ) && method_exists( $feedback, 'is_test' ) && $feedback->is_test();
	}
}