const CONFIG = {
    email: 'ti.ddc.2026@gmail.com', // อีเมลที่ใช้สมัคร Cloudflare
    apiKey: 'cfut_fZ4ct5szqJbJxpdEfPT0Q5790SqjKZuU4DlbTukn769a34d8',
    zoneId: '82a3c279a9f53ab8a5531848031c7629',
    recordName: 'homaroma.shop',
    proxied: false
};

async function updateDDNS() {
    const headers = {
        'Authorization': `Bearer ${CONFIG.apiKey}`,
        'Content-Type': 'application/json'
    };

    try {
        // 1. Get current Public IP
        const ipRes = await fetch('https://api.ipify.org');
        const currentIp = await ipRes.text();
        console.log(`[${new Date().toISOString()}] Current IP: ${currentIp}`);

        // 2. Get Record ID
        const dnsRes = await fetch(`https://api.cloudflare.com/client/v4/zones/${CONFIG.zoneId}/dns_records?name=${CONFIG.recordName}`, { headers });
        const dnsData = await dnsRes.json();

        if (!dnsData.success) throw new Error(JSON.stringify(dnsData.errors));

        const record = dnsData.result[0];
        if (record.content === currentIp) {
            console.log('✅ IP is already up to date.');
            return;
        }

        // 3. Update IP
        const updateRes = await fetch(`https://api.cloudflare.com/client/v4/zones/${CONFIG.zoneId}/dns_records/${record.id}`, {
            method: 'PATCH',
            headers,
            body: JSON.stringify({
                type: 'A',
                name: CONFIG.recordName,
                content: currentIp,
                ttl: 1,
                proxied: CONFIG.proxied
            })
        });

        const updateData = await updateRes.json();
        if (updateData.success) {
            console.log(`🚀 Updated: ${record.content} -> ${currentIp}`);
        } else {
            console.error('❌ Update failed', updateData.errors);
        }

    } catch (err) {
        console.error('❌ Error:', err.message);
    }
}

updateDDNS();