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

// Step 1: Validate Input
if (!isset($_GET['url']) || empty($_GET['url'])) {
    echo json_encode(['status' => 'error', 'message' => 'Missing Instagram URL']);
    exit;
}

$inputUrl = $_GET['url'];
$encodedUrl = urlencode($inputUrl);
$targetUrl = "https://snapdownloader.com/tools/instagram-reels-downloader/download?url={$encodedUrl}";

// Step 2: cURL request to snapdownloader
$ch = curl_init($targetUrl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)');
$response = curl_exec($ch);
$error = curl_error($ch);
curl_close($ch);

// Step 3: Error Handling
if ($error || !$response) {
    echo json_encode(['status' => 'error', 'message' => 'Failed to fetch data']);
    exit;
}

// Step 4: Extract video URL
preg_match('/<a[^>]+href="([^"]+\.mp4[^"]*)"[^>]*>/', $response, $videoMatch);
$videoUrl = html_entity_decode($videoMatch[1] ?? '');

// Step 5: Extract image thumbnail (try two methods)

// Method 1: from base64 image (not always useful)
preg_match('/<img[^>]+src="data:image\/jpg;base64,([^"]+)"/', $response, $thumbBase64Match);
$thumbBase64 = $thumbBase64Match[1] ?? null;

// Method 2: from external jpg link
preg_match('/<a[^>]+href="([^"]+\.jpg[^"]*)"[^>]*>/', $response, $thumbMatch);
$thumbUrl = html_entity_decode($thumbMatch[1] ?? '');

// Step 6: Return clean JSON
if ($videoUrl) {
    echo json_encode([
        'status' => 'success',
        'video' => $videoUrl,
        'thumbnail' => $thumbUrl,
        'thumbnail_base64' => $thumbBase64 ? 'data:image/jpg;base64,' . $thumbBase64 : null
    ], JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
} else {
    echo json_encode([
        'status' => 'error',
        'message' => 'Unable to extract video'
    ]);
}

<?php


$cookieFile = __DIR__ . '/cookie.txt';
$userAgent  = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36';

// ==========================
// cURL INIT (reuse)
// ==========================
$ch = curl_init();
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_FOLLOWLOCATION => true,
    CURLOPT_ENCODING       => '', // gzip/br
    CURLOPT_USERAGENT      => $userAgent,
    CURLOPT_COOKIEJAR      => $cookieFile,
    CURLOPT_COOKIEFILE     => $cookieFile,
    CURLOPT_TIMEOUT        => 30,
    CURLOPT_CONNECTTIMEOUT => 15,
]);

curl_setopt_array($ch, [
    CURLOPT_URL => 'https://redload.io/',
    CURLOPT_HTTPGET => true,
]);
curl_exec($ch);


curl_setopt_array($ch, [
    CURLOPT_URL => 'https://live.redload.io/api/get-token',
    CURLOPT_HTTPHEADER => [
        'Accept: */*',
        'Origin: https://redload.io',
        'Referer: https://redload.io/',
        'Sec-Fetch-Mode: cors',
        'Sec-Fetch-Site: same-site'
    ],
]);
$tokenResponse = curl_exec($ch);

$tokenJson = json_decode($tokenResponse, true);
if (!isset($tokenJson['token'])) {
    die('❌ TOKEN OLINGAN YO‘Q');
}
$token = $tokenJson['token'];


$cookieContent = file_get_contents($cookieFile);
preg_match('/XSRF-TOKEN\s+([^\s]+)/', $cookieContent, $m);

if (!isset($m[1])) {
    die('❌ XSRF TOPILMADI');
}
$xsrfToken = urldecode($m[1]);


$postData = json_encode([
    'url'   => 'https://www.reddit.com/r/CriticalThinkingIndia/s/vGrZUBidyK',
    'token' => $token
]);

curl_setopt_array($ch, [
    CURLOPT_URL  => 'https://live.redload.io/api/viftyapp',
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => $postData,
    CURLOPT_HTTPHEADER => [
        'Accept: application/json',
        'Content-Type: application/json',
        'X-XSRF-TOKEN: ' . $xsrfToken,
        'Origin: https://redload.io',
        'Referer: https://redload.io/',
        'Sec-Fetch-Mode: cors',
        'Sec-Fetch-Site: same-site'
    ],
]);

$response = curl_exec($ch);

if (curl_errno($ch)) {
    echo '❌ CURL ERROR: ' . curl_error($ch);
} else {
    echo $response; 
}

curl_close($ch);