/**
 * Listener-settings interop (Phase 18 wave 18.6). A safe, eval-free cookie helper for persisting
 * public-site preferences (streaming quality, and any future setting added under PublicSiteSettings).
 * The 365-day durable-truth seam dark mode uses — same mechanism, no eval.
 *
 * Exposed on window.DeepDrftSettings; imported once in App.razor.
 */

const DeepDrftSettings = {
    /**
     * Write a cookie with the given name, value, and lifetime. Equivalent to the browser's
     * document.cookie assignment but without building JS via string interpolation or eval.
     * Path is always "/"; SameSite is always "Lax" — matches the dark-mode cookie semantics.
     */
    setCookie: (name: string, value: string, days: number): void => {
        const expires = new Date();
        expires.setTime(expires.getTime() + days * 24 * 60 * 60 * 1000);
        document.cookie =
            `${encodeURIComponent(name)}=${encodeURIComponent(value)}` +
            `; expires=${expires.toUTCString()}` +
            `; path=/; SameSite=Lax`;
    },
};

declare global {
    interface Window {
        DeepDrftSettings: typeof DeepDrftSettings;
    }
}

window.DeepDrftSettings = DeepDrftSettings;

export { DeepDrftSettings };