<?php
defined( 'ABSPATH' ) || exit;

/**
 * Contact Form 7: forms from WPCF7_ContactForm::find(), fields from the form tags,
 * answers from WPCF7_Submission after `wpcf7_submit`.
 */
class Beon_Notify_Source_CF7 extends Beon_Notify_Form_Source {

	public function key() {
		return 'cf7';
	}

	public function name() {
		return 'Contact Form 7';
	}

	public function active() {
		return class_exists( 'WPCF7_ContactForm' );
	}

	public function forms() {
		$forms = array();

		foreach ( WPCF7_ContactForm::find( array( 'posts_per_page' => -1 ) ) as $form ) {
			$fields = array();
			$seen   = array();

			foreach ( $form->scan_form_tags() as $tag ) {
				if ( '' === (string) $tag->name || isset( $seen[ $tag->name ] ) || $this->skip_type( $tag->basetype ) ) {
					continue;
				}
				$seen[ $tag->name ] = true;

				$fields[] = array(
					'key'   => (string) $tag->name,
					'label' => $this->label( (string) $tag->name ),
					'type'  => (string) $tag->basetype,
				);
			}

			$forms[ (string) $form->id() ] = array(
				'title'  => (string) $form->title(),
				'fields' => $fields,
			);
		}

		return $forms;
	}

	public function listen() {
		add_action( 'wpcf7_submit', array( $this, 'on_submit' ), 10, 2 );
	}

	/**
	 * Only real submissions: sent, or valid but the site's email failed. Not spam / invalid / aborted.
	 */
	public function on_submit( $form, $result ) {
		if ( ! in_array( $result['status'] ?? '', array( 'mail_sent', 'mail_failed' ), true ) ) {
			return;
		}

		$submission = WPCF7_Submission::get_instance();
		if ( ! $submission ) {
			return;
		}

		$answers = array();
		foreach ( (array) $submission->get_posted_data() as $key => $value ) {
			$answers[ (string) $key ] = $this->text( $value );
		}

		Beon_Notify_Forms::submitted( $this->key(), (string) $form->id(), $answers, (string) $form->title(), $submission );
	}

	/** "your-name" → "Your name (your-name)" — CF7 fields have no labels. */
	private function label( $name ) {
		$pretty = ucfirst( trim( str_replace( array( '-', '_' ), ' ', $name ) ) );

		return $pretty === $name ? $name : $pretty . ' (' . $name . ')';
	}
}