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

namespace Dealroot\Forms;

use Dealroot\Capture;

defined( 'ABSPATH' ) || exit;

/**
 * Captures Fluent Forms submissions.
 */
class Fluent_Forms extends Integration {

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

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

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

	/**
	 * {@inheritDoc}
	 */
	public function register() {
		add_action( 'fluentform/submission_inserted', array( $this, 'capture' ), 10, 3 );
	}

	/**
	 * Title of a form.
	 *
	 * @param int $form_id Form ID.
	 * @return string
	 */
	public static function form_title( $form_id ) {
		if ( ! function_exists( 'fluentFormApi' ) ) {
			return '';
		}

		try {
			$form = fluentFormApi( 'forms' )->find( (int) $form_id );

			return is_object( $form ) && isset( $form->title ) ? (string) $form->title : '';
		} catch ( \Throwable $e ) {
			return '';
		}
	}

	/**
	 * Stores the submission.
	 *
	 * @param int    $entry_id  Entry ID.
	 * @param array  $form_data Submitted values keyed by field name.
	 * @param object $form      Form model.
	 */
	public function capture( $entry_id, $form_data, $form ) {
		$labels = $this->labels( $form );
		$fields = array();

		foreach ( (array) $form_data as $name => $value ) {
			if ( 0 === strpos( (string) $name, '_' ) ) {
				continue;
			}

			// Name fields arrive as first_name / last_name sub-values.
			if ( is_array( $value ) && isset( $value['first_name'] ) ) {
				foreach ( $value as $sub => $sub_value ) {
					$fields[] = array(
						'label' => $sub,
						'name'  => $sub,
						'type'  => '',
						'value' => $sub_value,
					);
				}
				continue;
			}

			$fields[] = array(
				'label' => $labels[ $name ] ?? $name,
				'name'  => (string) $name,
				'type'  => 'email' === $name ? 'email' : '',
				'value' => $value,
			);
		}

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

	/**
	 * Field labels from the form definition.
	 *
	 * @param object $form Form model.
	 * @return array Name => label.
	 */
	private function labels( $form ) {
		$labels = array();
		$schema = json_decode( (string) ( $form->form_fields ?? '' ), true );

		foreach ( (array) ( $schema['fields'] ?? array() ) as $field ) {
			$name = $field['attributes']['name'] ?? '';
			if ( $name ) {
				$labels[ $name ] = $field['settings']['label'] ?? $name;
			}
		}

		return $labels;
	}
}