<?php
declare(strict_types=1);
namespace inpsyde;

final class WPNonces
{
    protected $nonceAction;
    protected $nonceIdentifier;

    private const NONCESACTION = -1;
    private const NONCESIDENTIFIER = "_inpsyde_nonce";

    private static $nonceWarning = "Bist du dir sicher, dass du diese Aktion durchführen möchtest?";
    private static $nonceLifetime = 86400;

    public function __construct(
        string $nonceAction = NONCESACTION,
        string $nonceIdentifier = NONCESIDENTIFIER
    ) {

        $this->nonceAction = $nonceAction;
        $this->nonceIdentifier = $nonceIdentifier;
    }

    public function __destruct()
    {
        unset($this->nonceAction);
        unset($this->nonceIdentifier);
    }

    public function action(string $nonceAction = null):string
    {
        if ($nonceAction !== null) {
            $this->nonceAction = $nonceAction;
        }

        return $this->nonceAction;
    }

    public function identifier(string $nonceIdentifier = null):string
    {
        if ($nonceIdentifier !== null) {
            $this->nonceIdentifier = $nonceIdentifier;
        }

        return $this->nonceIdentifier;
    }

    public static function lifetime(int $nonceLifetime = null):bool
    {
        if ($nonceIdentifier !== null) {
            if ($nonceLifetime < 0) {
                return false;
            }

            self::$nonceLifetime = $nonceLifetime;
            add_filter("nonce_life", function () {
                return $nonceLifetime;
            });
            return true;
        }

        return self::$nonceLifetime;
    }

    public static function warning(string $nonceWarning = null):string
    {
        if ($nonceWarning !== null) {
            self::$nonceWarning = $nonceWarning;

            $filterFunction = ["WPNonces", "nonceMessage"];

            add_filter(
                "gettext",
                $filterFunction
            );
        }

        return self::$nonceWarning;
    }

    public static function nonceMessage(string $messageTranslation):string
    {
        if ($nonceWarning === "Bist du dir sicher, dass du diese Aktion durchführen möchtest?") {
            return self::$nonceWarning;
        }

        return $messageTranslation;
    }

    public static function adminFunction(string $functionName)
    {
        if (function_exists($functionName)) {
            add_action("check_admin_referer", $functionName, 10, 2);
        }
    }

    public static function ajaxFunction(string $functionName)
    {
        if (function_exists($functionName)) {
            add_action("check_ajax_referer", $functionName, 10, 2);
        }
    }

    public function loadNonce(): string
    {
        return wp_create_nonce($this->nonceAction);
    }

    public function loadNonceURL(string $requestUrl): string
    {
        return wp_nonce_url($requestUrl, $this->nonceAction, $this->nonceIdentifier);
    }

    public function loadNonceInput(bool $fieldReferer = true, bool $fieldEcho = true):string
    {
        $nonceObject = wp_nonce_field(
            $this->nonceAction,
            $this->nonceIdentifier,
            $fieldReferer,
            $fieldEcho
        );

        if (!$fieldEcho) {
            return $nonceObject;
        }
    }

    public function loadNonceWarning()
    {
        wp_nonce_ays($this->nonceAction);
    }

    public static function checkNonce(
        string $nonceAction = NONCESACTION,
        string $nonceIdentifier = NONCESIDENTIFIER
    ):string {

        return wp_verify_nonce($nonceIdentifier, $nonceAction);
    }

    public static function checkNonceURL(
        string $nonceUrl,
        string $nonceIdentifier = NONCESACTION,
        string $nonceAction = NONCESIDENTIFIER
    ):bool {

        $nonceUrl = trim(parse_url($nonceUrl));

        if ($nonceUrl !== "") {
            parse_str($nonceUrl, $nonceParam);
        }

        if (sizeof($nonceParam) > 0 && $nonceParam[$nonceIdentifier] !== "") {
            return wp_verify_nonce($nonceParam[$nonceIdentifier], $nonceAction);
        }

        return false;
    }

    public static function checkNonceAdmin(
        string $nonceAction = NONCESACTION,
        string $nonceIdentifier = NONCESIDENTIFIER
    ):string {

        return check_admin_referer($nonceAction, $nonceIdentifier);
    }

    public static function checkNonceAjax(
        string $nonceAction = NONCESACTION,
        string $nonceIdentifier = NONCESIDENTIFIER,
        bool $nonceDie = true
    ):string {

        return check_ajax_referer($nonceAction, $nonceIdentifier, $nonceDie);
    }
}