document.addEventListener('DOMContentLoaded', async function() {
    const user = JSON.parse(localStorage.getItem('user') || 'null');
    if (!user) {
        window.location.href = '/login';
        return;
    }

    const token = localStorage.getItem('token');
    if (token && LinkSync.isTokenExpired(token)) {
        LinkSync.logout();
        return;
    }

    document.getElementById('current-user').textContent = user.username;

    if (user.role === 'admin') {
        document.getElementById('admin-section').style.display = '';
    }

    try {
        const [linksResult, collectionsResult, keysResult] = await Promise.allSettled([
            LinkSync.getLinks({ limit: 1 }),
            LinkSync.getCollections(),
            LinkSync.getApiKeys(),
        ]);

        const links = linksResult.status === 'fulfilled' ? linksResult.value : [];
        const collections = collectionsResult.status === 'fulfilled' ? collectionsResult.value : [];
        const keys = keysResult.status === 'fulfilled' ? keysResult.value : [];

        document.getElementById('link-count').textContent = Array.isArray(links) ? links.length : 0;
        document.getElementById('collection-count').textContent = Array.isArray(collections) ? collections.length : 0;
        document.getElementById('api-key-count').textContent = Array.isArray(keys) ? keys.length : 0;
    } catch (err) {
        console.error('Failed to load stats:', err);
    }

    const expirySeconds = LinkSync.getTokenExpirySeconds(token);
    if (expirySeconds > 0 && expirySeconds < 120) {
        const warning = document.createElement('div');
        warning.className = 'info-message';
        warning.textContent = `Session expires in ${Math.ceil(expirySeconds / 60)} minute${expirySeconds > 60 ? 's' : ''}. Save your work.`;
        document.querySelector('.dashboard-header').prepend(warning);
    }
});