<?php
/**
 * Shared option defaults and safe reads.
 *
 * @package Tellpin
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Return the initial configuration.
 *
 * @return array Default options.
 */
function tellpin_default_options() {
	return array(
		'project_key' => '',
		'enabled'     => 0,
	);
}

/**
 * Read known options and fail safely if stored values are malformed.
 *
 * @return array Normalised options.
 */
function tellpin_get_options() {
	$options = get_option( 'tellpin_options', tellpin_default_options() );

	if ( ! is_array( $options ) ) {
		return tellpin_default_options();
	}

	$project_key = isset( $options['project_key'] ) && is_string( $options['project_key'] )
		? trim( sanitize_text_field( $options['project_key'] ) )
		: '';

	if ( strlen( $project_key ) > 255 ) {
		$project_key = '';
	}

	$enabled = '' !== $project_key && isset( $options['enabled'] ) && in_array( $options['enabled'], array( 1, '1' ), true );

	return array(
		'project_key' => $project_key,
		'enabled'     => $enabled ? 1 : 0,
	);
}