<?php
/**
 * Everest Forms integration.
 *
 * @package Dealroot
 */

namespace Dealroot\Forms;

use Dealroot\Capture;

defined( 'ABSPATH' ) || exit;

/**
 * Captures Everest Forms submissions, sent by AJAX or as a normal post.
 */
class Everest_Forms extends Integration {

	/**
	 * Field types without a visitor's answer.
	 */
	const SKIP = array( 'title', 'divider', 'reset', 'private-note', 'credit-card', 'html' );

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

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

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

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

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

	/**
	 * Stores the submission.
	 *
	 * @param array    $form_fields Processed fields.
	 * @param array    $entry       Submitted entry.
	 * @param array    $form_data   Form settings.
	 * @param int|null $entry_id    Entry ID, null when entries are not stored.
	 */
	public function capture( $form_fields, $entry, $form_data, $entry_id = null ) {
		unset( $entry_id );

		// Submissions the anti-spam services flagged still reach this hook.
		if ( 'spam' === ( $entry['evf_spam_status'] ?? '' ) ) {
			return;
		}

		$fields = array();

		foreach ( (array) $form_fields as $id => $field ) {
			$type = (string) ( $field['type'] ?? '' );

			if ( in_array( $type, self::SKIP, true ) || 0 === strpos( $type, 'payment' ) ) {
				continue;
			}

			$label = (string) ( $field['name'] ?? ( $form_data['form_fields'][ $id ]['label'] ?? $id ) );
			$value = $field['value'] ?? '';

			// Checkboxes and radio buttons carry their label and the chosen options in the value.
			if ( is_array( $value ) && ( isset( $value['label'] ) || isset( $value['name'] ) ) ) {
				$label = (string) ( $value['name'] ?? $label );
				$value = $value['label'] ?? ( $field['value_raw'] ?? '' );
			}

			$fields[] = array(
				'label' => wp_strip_all_tags( $label ),
				'name'  => (string) ( $field['meta_key'] ?? 'field_' . $id ),
				'type'  => $type,
				'value' => $value,
			);
		}

		Capture::submission(
			self::key(),
			(string) ( $form_data['id'] ?? ( $entry['id'] ?? '' ) ),
			(string) ( $form_data['settings']['form_title'] ?? '' ),
			$fields
		);
	}
}