window.cookieConsent = {
    storageKey: 'gprompt_cookie_consent',
    bannerId: 'cookieConsentBanner',
    preferencesModalId: 'cookieConsentPreferences',

    init() {
        if (!this.hasConsented()) {
            this.showBanner();
        }
    },

    hasConsented() {
        try {
            return localStorage.getItem(this.storageKey) !== null;
        } catch (e) {
            return false;
        }
    },

    getConsents() {
        try {
            const stored = localStorage.getItem(this.storageKey);
            return stored ? JSON.parse(stored) : null;
        } catch (e) {
            return null;
        }
    },

    showBanner() {
        const banner = document.getElementById(this.bannerId);
        if (banner) {
            banner.style.display = 'block';
            document.body.style.paddingBottom = banner.offsetHeight + 'px';
        }
    },

    hideBanner() {
        const banner = document.getElementById(this.bannerId);
        if (banner) {
            banner.style.display = 'none';
            document.body.style.paddingBottom = '';
        }
    },

    showPreferences() {
        const modalEl = document.getElementById(this.preferencesModalId);
        if (modalEl) {
            const modal = new bootstrap.Modal(modalEl);
            modal.show();

            const consents = this.getConsents();
            if (consents) {
                document.getElementById('cookieStatistics').checked = !!consents.statistics;
                document.getElementById('cookieMarketing').checked = !!consents.marketing;
                document.getElementById('cookiePreferences').checked = !!consents.preferences;
            }
        }
    },

    acceptAll() {
        const consents = {
            necessary: true,
            statistics: true,
            marketing: true,
            preferences: true,
        };

        this.save(consents);
        this.hideBanner();
    },

    reject() {
        const consents = {
            necessary: true,
            statistics: false,
            marketing: false,
            preferences: false,
        };

        this.save(consents);
        this.hideBanner();
    },

    savePreferences() {
        const consents = {
            necessary: true,
            statistics: document.getElementById('cookieStatistics').checked,
            marketing: document.getElementById('cookieMarketing').checked,
            preferences: document.getElementById('cookiePreferences').checked,
        };

        this.save(consents);
        this.hideBanner();

        const modalEl = document.getElementById(this.preferencesModalId);
        if (modalEl) {
            const modal = bootstrap.Modal.getInstance(modalEl);
            if (modal) {
                modal.hide();
            }
        }
    },

    save(consents) {
        try {
            localStorage.setItem(this.storageKey, JSON.stringify(consents));
        } catch (e) {
            console.warn('localStorage is not available');
        }

        fetch('/cookie-consent', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').getAttribute('content'),
            },
            body: JSON.stringify({ consents }),
        }).catch(() => {
            // Silently fail - consent saved locally
        });
    },
};

if (document.readyState === 'interactive' || document.readyState === 'complete') {
    window.cookieConsent.init();
} else {
    document.addEventListener('DOMContentLoaded', function() {
        window.cookieConsent.init();
    });
}