import { CONSENT_CATEGORIES, DEFAULT_CONSENT } from './categories.js';
/**
 * Consent persistence in a cookie. Stored with a version so we can invalidate
 * old consents when the policy changes, and a timestamp (GDPR: consent must be
 * dated). Readable both client-side (banner) and server-side (script gating).
 */ export const CONSENT_COOKIE = 'cookie-consent';
export const CONSENT_VERSION = 1;
export const CONSENT_MAX_AGE = 60 * 60 * 24 * 180 // 180 days
;
export function serializeConsent(state) {
    const payload = {
        state,
        timestamp: new Date().toISOString(),
        version: CONSENT_VERSION
    };
    return encodeURIComponent(JSON.stringify(payload));
}
export function parseConsent(raw) {
    if (!raw) {
        return null;
    }
    try {
        const parsed = JSON.parse(decodeURIComponent(raw));
        if (parsed.version !== CONSENT_VERSION) {
            return null;
        }
        const state = {
            ...DEFAULT_CONSENT
        };
        for (const cat of CONSENT_CATEGORIES){
            if (typeof parsed.state?.[cat] === 'boolean') {
                state[cat] = parsed.state[cat];
            }
        }
        state.necessary = true;
        return state;
    } catch  {
        return null;
    }
}

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