// MeshDD-Dashboard – Pflicht-Passwortwechsel

// Theme
(function () {
    const t = localStorage.getItem('theme') || 'light';
    document.documentElement.setAttribute('data-bs-theme', t);
})();

// Footer
(function () {
    const footer = document.getElementById('cpFooter');
    if (!footer) return;
    const now = new Date();
    const mm = String(now.getMonth() + 1).padStart(2, '0');
    fetch('/api/stats').then(r => r.ok ? r.json() : null).then(d => {
        const ver = d?.version ? ` · v${d.version}` : '';
        footer.textContent = `© MeshDD / PPfeiffer${ver} · ${mm}/${now.getFullYear()}`;
    }).catch(() => {});
})();

// Guard: redirect to login if not logged in
fetch('/api/auth/me').then(r => {
    if (!r.ok) window.location.href = '/login';
}).catch(() => { window.location.href = '/login'; });

function showAlert(msg, type = 'danger') {
    const el = document.getElementById('cpAlert');
    el.className = `alert alert-${type} py-1 small`;
    el.textContent = msg;
}

document.getElementById('btnChangePassword').addEventListener('click', async () => {
    const password = document.getElementById('cpPassword').value;
    const confirm  = document.getElementById('cpConfirm').value;

    if (password.length < 8) {
        showAlert('Passwort muss mindestens 8 Zeichen lang sein');
        return;
    }
    if (password !== confirm) {
        showAlert('Passwoerter stimmen nicht ueberein');
        return;
    }

    try {
        const resp = await fetch('/auth/change-password', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ password }),
        });
        const data = await resp.json();
        if (resp.ok) {
            showAlert(data.message || 'Passwort geaendert', 'success');
            setTimeout(() => { window.location.href = '/'; }, 1500);
        } else {
            showAlert(data.error || 'Fehler beim Aendern');
        }
    } catch (e) {
        showAlert('Verbindungsfehler');
    }
});

document.getElementById('cpConfirm').addEventListener('keydown', (e) => {
    if (e.key === 'Enter') document.getElementById('btnChangePassword').click();
});