<?php 
include "/www/wwwroot/bilspro/config/connect.php";
include "/www/wwwroot/bilspro/config/whatsapp_api.php";

date_default_timezone_set('Asia/Jakarta');

// 1. Ambil data server sekaligus
$stmtSV = $pdo->prepare("SELECT id, status_koneksi_off, interval_koneksi_off FROM data_server WHERE status_koneksi_off = 'Aktif'");
$stmtSV->execute();
$serverSettings = $stmtSV->fetchAll(PDO::FETCH_UNIQUE | PDO::FETCH_ASSOC);

if (!$serverSettings) {
    die("Tidak ada server dengan fitur Pesan Off yang aktif.\n");
}

// 2. Ambil data MikroTik
$stmt = $pdo->prepare("SELECT id, id_data_server, nama FROM setting_mikrotik");
$stmt->execute();
$mikrotiks = $stmt->fetchAll(PDO::FETCH_ASSOC);

if ($mikrotiks) {
    foreach ($mikrotiks as $row) {
        $mikName = $row['nama'];
        $idServer = $row['id_data_server'];

        // Cek apakah setting server untuk mikrotik ini ada
        if (!isset($serverSettings[$idServer])) continue;

        $setting = $serverSettings[$idServer];
        $intervalMenit = (int)$setting['interval_koneksi_off'];
        
        if ($intervalMenit <= 0) continue;

        $batasWaktu = date('Y-m-d H:i:s', strtotime("-$intervalMenit minutes"));

        // 3. Ambil pelanggan yang off sekaligus
        $stmtInt = $pdo->prepare("SELECT id, id_data_server, nomor_whatsapp FROM pelanggan 
                                  WHERE pesan_off = '0' 
                                  AND status = 'aktif' 
                                  AND status_koneksi = 'Off'
                                  AND id_setting_mikrotik = :id 
                                  AND time_update < :batasWaktu");
        $stmtInt->bindValue(':id', $row['id']);
        $stmtInt->bindValue(':batasWaktu', $batasWaktu);
        $stmtInt->execute();
        $customersOff = $stmtInt->fetchAll(PDO::FETCH_ASSOC);

        if ($customersOff) {
            $APIwa = new PesanWA();
            $updatedIds = [];

            foreach ($customersOff as $Val) {
                // Kirim Pesan
                $APIwa->Create_Pesan($Val['id_data_server'], $Val['id'], 'Pesan Koneksi Off');
                $Pesan = $APIwa->Get_Pesan();
                $APIwa->Send_Pesan($Val['id_data_server'], ['sendMessage','Pesan Koneksi Off'], [$Val['nomor_whatsapp']], $Pesan);

                $updatedIds[] = $Val['id'];
                echo "[$mikName] Pesan Off dikirim ke => " . $Val['nomor_whatsapp'] . "\n";
            }

            // 4. Update status pesan_off sekaligus (Batch Update)
            if (!empty($updatedIds)) {
                $placeholders = implode(',', array_fill(0, count($updatedIds), '?'));
                $stmtUpdate = $pdo->prepare("UPDATE pelanggan SET pesan_off = '1' WHERE id IN ($placeholders)");
                $stmtUpdate->execute($updatedIds);
            }
        } else {
            echo "[$mikName] Tidak ada pelanggan baru yang memenuhi kriteria Off.\n";
        }
    }
} else {
    echo "No MikroTik data found.\n";
}
?>