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

/**
 * WPForms (Lite and Pro): forms are `wpforms` posts whose content is the form
 * JSON (fields by numeric id); answers come from `wpforms_process_complete`.
 */
class Beon_Notify_Source_WPForms extends Beon_Notify_Form_Source {

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

	public function name() {
		return 'WPForms';
	}

	public function active() {
		return function_exists( 'wpforms' );
	}

	public function forms() {
		$forms = array();
		$posts = get_posts(
			array(
				'post_type'      => 'wpforms',
				'post_status'    => array( 'publish', 'private', 'draft' ),
				'posts_per_page' => -1,
				'orderby'        => 'title',
				'order'          => 'ASC',
			)
		);

		foreach ( $posts as $post ) {
			$data   = $this->decode( $post->post_content );
			$fields = array();

			foreach ( (array) ( $data['fields'] ?? array() ) as $field ) {
				if ( ! isset( $field['id'] ) || $this->skip_type( $field['type'] ?? '' ) ) {
					continue;
				}

				$fields[] = array(
					'key'   => (string) $field['id'],
					/* translators: %s: field id */
					'label' => wp_strip_all_tags( (string) ( $field['label'] ?? '' ) ) ?: sprintf( __( 'Field %s', 'beon-chat' ), $field['id'] ),
					'type'  => (string) ( $field['type'] ?? '' ),
				);
			}

			$forms[ (string) $post->ID ] = array(
				'title'  => (string) ( $data['settings']['form_title'] ?? '' ) ?: $post->post_title,
				'fields' => $fields,
			);
		}

		return $forms;
	}

	public function listen() {
		add_action( 'wpforms_process_complete', array( $this, 'on_submit' ), 10, 4 );
	}

	/**
	 * @param array $fields    Processed fields by id: {name, value, id, type}.
	 * @param array $entry     Raw entry.
	 * @param array $form_data Form data (id, settings).
	 */
	public function on_submit( $fields, $entry, $form_data, $entry_id = 0 ) {
		$answers = array();
		foreach ( (array) $fields as $id => $field ) {
			$answers[ (string) ( $field['id'] ?? $id ) ] = $this->text( $field['value'] ?? '' );
		}

		Beon_Notify_Forms::submitted( $this->key(), (string) ( $form_data['id'] ?? '' ), $answers, (string) ( $form_data['settings']['form_title'] ?? '' ), $fields );
	}

	private function decode( $content ) {
		if ( function_exists( 'wpforms_decode' ) ) {
			return (array) wpforms_decode( $content );
		}

		$data = json_decode( (string) $content, true );

		return is_array( $data ) ? $data : array();
	}
}