<?php
// /api/v1/browser.quick.test.php

declare(strict_types=1);

session_start();

// DB einbinden – Pfad abhängig von deinem Setup, aktuell:
require $_SERVER['DOCUMENT_ROOT']. '/../config/db.php';   // stellt $pdo (PDO) bereit

header('Content-Type: application/json; charset=utf-8');

// ---------------------------------------------------------------------
// 1. JSON einlesen
// ---------------------------------------------------------------------
$raw = file_get_contents('php://input');
$data = json_decode($raw, true);

if (!is_array($data)) {
    http_response_code(400);
    echo json_encode([
        'ok'    => false,
        'error' => 'Invalid JSON payload',
    ]);
    exit;
}

// ---------------------------------------------------------------------
// 2. User / Session ermitteln
// ---------------------------------------------------------------------
$userId     = $_SESSION['user_id'] ?? null;   // abhängig von deiner Login-Implementierung
$isLoggedIn = $userId ? 1 : 0;
$sessionId  = session_id() ?: null;

$ipAddress  = $_SERVER['REMOTE_ADDR']     ?? null;
$userAgent  = $_SERVER['HTTP_USER_AGENT'] ?? null;

// ---------------------------------------------------------------------
// 3. Grobe Auswertung aus dem Report (optional)
// ---------------------------------------------------------------------

$modeRequested = $data['mode_requested'] ?? 'unknown';
$meta          = $data['meta'] ?? [];

// Browser/OS-Parsing kannst du später ergänzen
$browserName    = null;
$browserVersion = null;
$osName         = null;
$osVersion      = null;

// Gesamtmenge geschriebener/verifizierter Bytes aggregieren
$measuredBytes = 0;

if (!empty($data['quick']) && is_array($data['quick'])) {
    $measuredBytes += (int)($data['quick']['size_bytes'] ?? 0);
}
if (!empty($data['benchmark']) && is_array($data['benchmark'])) {
    $measuredBytes += (int)($data['benchmark']['size_bytes'] ?? 0);
}
if (!empty($data['writeverify']) && is_array($data['writeverify'])) {
    $measuredBytes += (int)($data['writeverify']['total_bytes'] ?? 0);
}

// Kapazitätsstatus vorerst neutral
$capacityStatus = 'unknown';

// Volume-/Stick-Daten aktuell noch nicht separat:
$volumeLabel   = null;
$manufacturer  = null;
$modelName     = null;
$usbType       = null;
$filesystem    = null;

// advertised_capacity_bytes kennen wir im Browser noch nicht:
$advCapacityBytes = null;

// test_report_json = kompletter Report
$testReportJson = $raw; // direkt als JSON-String speichern

// ---------------------------------------------------------------------
// 4. Insert in web_quicktests
// ---------------------------------------------------------------------
try {
    $sql = "
        INSERT INTO web_quicktests (
            user_id,
            is_logged_in,
            usb_device_id,
            browser_name,
            browser_version,
            os_name,
            os_version,
            volume_label,
            manufacturer,
            model_name,
            usb_type,
            advertised_capacity_bytes,
            measured_capacity_bytes,
            capacity_status,
            filesystem,
            test_report_json,
            ip_address,
            session_id
        )
        VALUES (
            :user_id,
            :is_logged_in,
            :usb_device_id,
            :browser_name,
            :browser_version,
            :os_name,
            :os_version,
            :volume_label,
            :manufacturer,
            :model_name,
            :usb_type,
            :adv_capacity,
            :measured_capacity,
            :capacity_status,
            :filesystem,
            CAST(:test_report_json AS JSON),
            :ip_address,
            :session_id
        )
    ";

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

    $stmt->execute([
        'user_id'           => $userId,
        'is_logged_in'      => $isLoggedIn,
        'usb_device_id'     => null,               // Browser-Test ist erstmal nicht an gespeicherten Stick gekoppelt
        'browser_name'      => $browserName,
        'browser_version'   => $browserVersion,
        'os_name'           => $osName,
        'os_version'        => $osVersion,
        'volume_label'      => $volumeLabel,
        'manufacturer'      => $manufacturer,
        'model_name'        => $modelName,
        'usb_type'          => $usbType,
        'adv_capacity'      => $advCapacityBytes,
        'measured_capacity' => $measuredBytes ?: null,
        'capacity_status'   => $capacityStatus,
        'filesystem'        => $filesystem,
        'test_report_json'  => $testReportJson,
        'ip_address'        => $ipAddress,
        'session_id'        => $sessionId,
    ]);

    $id = (int)$pdo->lastInsertId();

    echo json_encode([
        'ok' => true,
        'id' => $id,
    ]);
} catch (Throwable $e) {
    http_response_code(500);
    echo json_encode([
        'ok'    => false,
        'error' => 'DB error',
        // 'debug' => $e->getMessage(), // nur zum Debuggen aktivieren
    ]);
}