<?php
/**
 * WPForms integration.
 *
 * @package Dealroot
 */

namespace Dealroot\Forms;

use Dealroot\Attribution;
use Dealroot\Capture;

defined( 'ABSPATH' ) || exit;

/**
 * Captures WPForms submissions and adds the {dealroot_attribution} smart tag.
 */
class WPForms extends Integration {

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

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

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

	/**
	 * 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, 'wpforms' );
	}

	/**
	 * {@inheritDoc}
	 */
	public function register() {
		add_action( 'wpforms_process_complete', array( $this, 'capture' ), 10, 4 );
		add_filter( 'wpforms_smart_tags', array( $this, 'smart_tags' ) );
		add_filter( 'wpforms_smart_tag_process', array( $this, 'process_smart_tag' ), 10, 2 );
	}

	/**
	 * Stores the submission.
	 *
	 * @param array $fields    Processed fields.
	 * @param array $entry     Raw entry.
	 * @param array $form_data Form settings.
	 * @param int   $entry_id  Entry ID.
	 */
	public function capture( $fields, $entry, $form_data, $entry_id ) {
		$normalized = array();

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

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

	/**
	 * Registers the smart tag in the WPForms UI.
	 *
	 * @param array $tags Smart tags.
	 * @return array
	 */
	public function smart_tags( $tags ) {
		$tags['dealroot_attribution'] = __( 'Lead source (Dealroot)', 'dealroot' );

		return $tags;
	}

	/**
	 * Replaces the smart tag.
	 *
	 * @param string $content Content.
	 * @param string $tag     Tag name.
	 * @return string
	 */
	public function process_smart_tag( $content, $tag ) {
		if ( 'dealroot_attribution' !== $tag ) {
			return $content;
		}

		return str_replace( '{dealroot_attribution}', esc_html( Attribution::summary_text() ), $content );
	}
}