<?php
/**
 * Kadence Blocks forms.
 *
 * @package Dealroot
 */

namespace Dealroot\Forms;

use Dealroot\Capture;

defined( 'ABSPATH' ) || exit;

/**
 * Captures the Form block, identified by page and block, and the Advanced Form block, which
 * is a post of its own.
 */
class Kadence_Forms extends Integration {

	/**
	 * {@inheritDoc}
	 */
	public static function is_available() {
		return defined( 'KADENCE_BLOCKS_VERSION' );
	}

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

	/**
	 * {@inheritDoc}
	 */
	public static function label() {
		return 'Kadence Blocks';
	}

	/**
	 * Title of an Advanced Form.
	 *
	 * @param int $form_id Form post ID.
	 * @return string
	 */
	public static function form_title( $form_id ) {
		return self::post_title( $form_id, 'kadence_form' );
	}

	/**
	 * {@inheritDoc}
	 */
	public function register() {
		add_action( 'kadence_blocks_form_submission', array( $this, 'capture_form' ), 10, 4 );
		add_action( 'kadence_blocks_advanced_form_submission', array( $this, 'capture_advanced' ), 10, 3 );
	}

	/**
	 * Stores a submission of the Form block.
	 *
	 * @param array  $form_args Block attributes.
	 * @param array  $fields    Fields with label, type and value.
	 * @param string $form_id   Block ID, unique within the page.
	 * @param string $post_id   Page ID, or a block reference for widgets.
	 */
	public function capture_form( $form_args, $fields, $form_id, $post_id ) {
		unset( $form_args );

		$normalized = array();

		foreach ( (array) $fields as $index => $field ) {
			$normalized[] = array(
				'label' => (string) ( $field['label'] ?? '' ),
				'name'  => 'kb_field_' . $index,
				'type'  => (string) ( $field['type'] ?? '' ),
				'value' => $field['value'] ?? '',
			);
		}

		$page = ctype_digit( (string) $post_id ) ? (string) get_the_title( (int) $post_id ) : '';

		Capture::submission(
			self::key(),
			self::block_key( (string) $post_id, (string) $form_id ),
			'' !== $page ? $page : __( 'Kadence form', 'dealroot' ),
			$normalized
		);
	}

	/**
	 * Stores a submission of the Advanced Form block.
	 *
	 * @param array  $form_args Form settings and fields.
	 * @param array  $fields    Processed fields.
	 * @param string $post_id   Form post ID.
	 */
	public function capture_advanced( $form_args, $fields, $post_id ) {
		unset( $form_args );

		$normalized = array();

		foreach ( (array) $fields as $field ) {
			$normalized[] = array(
				'label' => (string) ( $field['label'] ?? '' ),
				'name'  => (string) ( $field['name'] ?? '' ),
				'type'  => (string) ( $field['type'] ?? '' ),
				'value' => $field['value'] ?? '',
			);
		}

		Capture::submission( self::key(), (string) absint( $post_id ), (string) get_the_title( absint( $post_id ) ), $normalized );
	}

	/**
	 * Form key of a Form block: page and block ID, as the page shows them.
	 *
	 * @param string $post_id Page ID.
	 * @param string $form_id Block ID.
	 * @return string
	 */
	private static function block_key( $post_id, $form_id ) {
		return mb_substr( preg_replace( '/[^A-Za-z0-9_-]/', '', $post_id . '-' . $form_id ), 0, 64 );
	}
}