<?php

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

class Rabbitproof_Options {

	const NAME = 'rabbitproof_settings';

	const FORMS = array(
		'comments'    => true,
		'signups'     => true,
		'woocommerce' => true,
		'cf7'         => true,
		'wpforms'     => true,
		'gravity'     => true,
		'elementor'   => true,
		'fluent'      => true,
		'login'       => true,
	);

	public static function all() {
		$saved = get_option( self::NAME, array() );
		$saved = is_array( $saved ) ? $saved : array();
		$forms = isset( $saved['forms'] ) && is_array( $saved['forms'] ) ? $saved['forms'] : array();
		return array(
			'site_key'   => isset( $saved['site_key'] ) ? (string) $saved['site_key'] : '',
			'secret_key' => isset( $saved['secret_key'] ) ? (string) $saved['secret_key'] : '',
			'proxy'      => ! empty( $saved['proxy'] ),
			'xmlrpc_off' => ! empty( $saved['xmlrpc_off'] ),
			'scanners'   => ! isset( $saved['scanners'] ) || ! empty( $saved['scanners'] ),
			'users'      => ! isset( $saved['users'] ) || ! empty( $saved['users'] ),
			'versions'   => ! isset( $saved['versions'] ) || ! empty( $saved['versions'] ),
			'forms'      => array_merge( self::FORMS, array_intersect_key( array_map( 'boolval', $forms ), self::FORMS ) ),
			'site'       => isset( $saved['site'] ) && is_array( $saved['site'] ) ? $saved['site'] : array(),
			'proof'      => isset( $saved['proof'] ) ? (string) $saved['proof'] : '',
		);
	}

	public static function get( $key ) {
		$all = self::all();
		return isset( $all[ $key ] ) ? $all[ $key ] : null;
	}

	public static function update( array $changes ) {
		$all = array_merge( self::all(), $changes );
		update_option( self::NAME, $all, false );
	}

	public static function connected() {
		$all = self::all();
		return self::valid_site_key( $all['site_key'] ) && self::valid_secret_key( $all['secret_key'] ) && ! self::gone();
	}

	public static function gone() {
		return (int) get_option( 'rabbitproof_gone', 0 ) > 0;
	}

	public static function valid_site_key( $key ) {
		return is_string( $key ) && 1 === preg_match( '/^pk_live_[0-9a-f]{24}-[0-9]{10}-[A-Za-z0-9_-]{43}$/', $key );
	}

	public static function valid_secret_key( $key ) {
		return is_string( $key ) && 1 === preg_match( '/^sk_live_[A-Za-z0-9_-]{20,64}$/', $key );
	}
}