<?php
// get_onu_detail.php
require __DIR__ . "/../config/encrypt.php";

header('Content-Type: application/json');

$id = $_POST['id'] ?? null;

$datadecrypt = decrypt_url($id);
$dataurl     = json_decode($datadecrypt, true);

// Ambil parameter dari request
$tenant_id = $dataurl[0] ?? null;
$sn        = $dataurl[1] ?? null;
$mac       = $dataurl[2] ?? null;

if (!$tenant_id || (!$sn && !$mac)) {
    echo json_encode([[
        'status' => 'error',
        'message' => 'tenant_id dan salah satu SN/MAC harus diisi',
        'onu_mac' => $mac
    ]]);
    exit;
}

/**
 * Fungsi helper untuk request ke API NodeJS
 */
function call_api($tenant_id, $param) {
    $api_url = "http://olt.manjapro.net/onu?tenant_id={$tenant_id}&macsn={$param}";
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $api_url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 10);

    $response   = curl_exec($ch);
    $http_code  = curl_getinfo($ch, CURLINFO_HTTP_CODE);

    if (curl_errno($ch)) {
        $error = curl_error($ch);
        curl_close($ch);
        return ['error' => $error];
    }

    curl_close($ch);

    return ['http_code' => $http_code, 'response' => $response];
}

/**
 * Fungsi mapping hasil NodeJS ke format array `onu_*`
 */
function map_to_onu_array($data, $mac) {
    return [[
        'onu_sn'          => $data['macsn'] ?? null,
        'onu_mac'         => '-', //$data['macsn'] ?? $mac,
        'onu_name'        => '-', //['user_name'] ?? null,
        'onu_type'        => '-', // placeholder, bisa diisi jika ada
        'onu_rxpower'     => $data['rx_power'] ?? null,
        'onu_txpower'     => '-', // placeholder
        'onu_status'      => $data['status'] ?? null,
        'onu_gpon_distance' => '-', // placeholder
        'onu_last_online' => '-', // placeholder
    ]];
}

// 1️⃣ Coba pakai SN dulu
$result = null;
if ($sn) {
    $result = call_api($tenant_id, $sn);
    if ($result['http_code'] == 200 && !empty($result['response'])) {
        $data = json_decode($result['response'], true);
        if (!isset($data['status']) || $data['status'] !== 'error') {
            echo json_encode(map_to_onu_array($data, $mac));
            exit;
        }
    }
}

// 2️⃣ Kalau SN gagal / kosong, coba pakai MAC
if ($mac) {
    $result = call_api($tenant_id, substr($mac, 0, -1));
    if ($result['http_code'] == 200 && !empty($result['response'])) {
        $data = json_decode($result['response'], true);
        if (!isset($data['status']) || $data['status'] !== 'error') {
            echo json_encode(map_to_onu_array($data, $mac));
            exit;
        }
    }
}

// Jika dua-duanya gagal
if (isset($result['error'])) {
    echo json_encode([[
        'status'  => 'error',
        'message' => $result['error'],
        'onu_mac' => $mac
    ]]);
} else {
    echo json_encode([[
        'status'  => 'error',
        'message' => "Data ONU tidak ditemukan dengan SN maupun MAC",
        'onu_mac' => $mac
    ]]);
}
?>