<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);

if (php_sapi_name() !== 'cli') {
    die("Script ini hanya bisa dijalankan lewat CLI.\n");
}

ini_set('max_execution_time', 0);
date_default_timezone_set('Asia/Jakarta');

require "/www/wwwroot/bilspro/config/routeros_api.class.php";

// CONFIG
$max_processes = 10;
$timeout_api   = 3;
$tmpDir        = sys_get_temp_dir() . '/mt_results';

if (!is_dir($tmpDir)) {
    @mkdir($tmpDir, 0770, true);
}

// AMBIL DATA
include "/www/wwwroot/bilspro/config/connect.php";

$sqlList = "
    SELECT DISTINCT nama, ip_address, port_api, username, password, board_id
    FROM setting_mikrotik 
    WHERE status = 'Connected'
";

$stmt = $pdo->prepare($sqlList);
$stmt->execute(); 
$mikrotiks = $stmt->fetchAll(PDO::FETCH_ASSOC);
$pdo = null;

if (empty($mikrotiks)) {
    echo "[" . date('Y-m-d H:i:s') . "] Tidak ada data MikroTik.\n";
    exit;
}

// MULTI PROCESS
$child_pids = [];
$outfiles   = [];

foreach ($mikrotiks as $data) {
    while (count($child_pids) >= $max_processes) {
        foreach ($child_pids as $key => $pid) {
            if (pcntl_waitpid($pid, $status, WNOHANG) > 0) {
                unset($child_pids[$key]);
            }
        }
        usleep(100000);
    }

    $safeId  = preg_replace('~[^A-Za-z0-9_\-]~', '_', substr($data['board_id'], 0, 64));
    $outfile = $tmpDir . "/mt_" . $safeId . "_" . microtime(true) . ".json";
    $outfiles[] = $outfile;

    $pid = pcntl_fork();
    if ($pid == -1) continue;

    if ($pid) {
        $child_pids[] = $pid;
    } else {
        process_mikrotik_child($data, $timeout_api, $outfile);
        exit;
    }
}

// tunggu selesai
foreach ($child_pids as $pid) {
    pcntl_waitpid($pid, $status);
}

// UPDATE DB
include "/www/wwwroot/bilspro/config/connect.php";
$pdo->exec("SET time_zone = '+07:00'");

$updated = 0;
$failed  = 0;

try {
    $pdo->beginTransaction();

    $sql = "
        UPDATE setting_mikrotik
        SET pppa = :pppa,
            last_time_check_ppp_hs = NOW()
        WHERE board_id = :id
    ";

    $stmt = $pdo->prepare($sql);

    foreach ($outfiles as $file) {
        if (!is_file($file)) continue;

        $row = json_decode(file_get_contents($file), true);
        @unlink($file);

        if (!$row || !isset($row['board_id'])) {
            $failed++;
            continue;
        }

        $stmt->execute([
            ':pppa' => $row['pppa'] ?? '',
            ':id'   => $row['board_id'],
        ]);

        $updated++;
    }

    $pdo->commit();

} catch (Exception $e) {
    if ($pdo->inTransaction()) {
        $pdo->rollBack();
    }
    echo "ERROR: " . $e->getMessage() . "\n";
}

echo "[" . date('Y-m-d H:i:s') . "] Selesai. Update: {$updated}, Fail: {$failed}\n";


// ================================
// CHILD PROCESS (PPPA & HSA FULL)
// ================================
function process_mikrotik_child(array $data, int $timeout_api, string $outfile): void
{
    $API = new RouterosAPI();
    $API->timeout = $timeout_api;

    $result = [
        'board_id' => $data['board_id'],
        'pppa'     => '',
    ];

    if ($API->connect2($data['ip_address'], $data['username'], $data['password'], $data['port_api'])) {

        // PPPoE
        $pppoe_active = [];
        $pppoe_data = $API->comm("/ppp/active/print");
        if (is_array($pppoe_data)) {
            foreach ($pppoe_data as $item) {
                $name = $item['name'] ?? '';
                $addr = $item['address'] ?? '';
                $mac  = $item['caller-id'] ?? '';
                if ($name !== '' && $addr !== '') {
                    $pppoe_active[] = "{$name}_{$addr}_{$mac}";
                }
            }
        }

        $API->disconnect();

        $result['pppa'] = implode('|', $pppoe_active);

        // HITUNG JUMLAH
        $ppp_count = count($pppoe_active);

        // OUTPUT RAPI
        echo sprintf(
            "[%s] STATUS: OK | PPP: %-5d | IP: %-15s | %s\n",
            date('Y-m-d H:i:s'),
            $ppp_count,
            $data['ip_address'],
            $data['nama'] ?? '-'
        );

    } else {
        echo sprintf(
            "[%s] STATUS: FAIL | IP: %-15s | %s\n",
            date('Y-m-d H:i:s'),
            $data['ip_address'],
            $data['nama'] ?? '-'
        );
    }

    file_put_contents($outfile, json_encode($result, JSON_UNESCAPED_UNICODE));
}