<?php
require_once $_SERVER['DOCUMENT_ROOT'] . '/config/main.php';
try {
    $pdo = new PDO("mysql:host=localhost;dbname=aftwld", "root", "SILVERIUMREBORN$9PaYU78huiOIA", [
        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
    ]);
} catch (PDOException $e) {
    header('Content-Type: application/json');
    exit(json_encode([
        'error' => true,
        'message' => 'Database Error',
        'debug' => $e->getMessage()
    ]));
}

use TrashBlx\Core\SoapUtils;
$soapUtils = new SoapUtils();

$id = isset($_GET['assetId']) ? intval($_GET['assetId']) : null;
$targetW = isset($_GET['width']) ? intval($_GET['width']) : null;
$targetH = isset($_GET['height']) ? intval($_GET['height']) : null;

$basePath  = $_SERVER['DOCUMENT_ROOT'] . '/Thumbs/RenderedAssets/';
$imagePath = "{$basePath}{$id}.png";

$stmt = $pdo->prepare("SELECT AssetID, AssetType FROM assets WHERE AssetID = :id");
$stmt->execute(['id' => $id]);
$asset = $stmt->fetch(PDO::FETCH_ASSOC);

if (!$asset) {
    http_response_code(400);
    exit("Asset doesn't exist");
}
//var_dump($asset); exit;

if ($asset["AssetType"] === 1) {
    header("Location: /asset/?id=$id");
    exit;
}
elseif($asset["AssetType"] === 2) {
    // Example TeeShirt XML content path and image path extraction
$xmlContent = @file_get_contents("http://www.aftwld.com/asset?id=$id");

if ($xmlContent !== false) {
	//echo $xmlContent;
    $dom = new DOMDocument();
    $dom->loadXML($xmlContent); // Use loadXML since you're loading a string, not a file

    $nodes = $dom->getElementsByTagName("Content");
    $imgFile = null;

    foreach ($nodes as $node) {
        $imgFile = $node->nodeValue;
        break;
    }
	
	if(empty($imgFile)){ exit("fatal issue"); }
    if (str_contains($imgFile, "rbxassetid://")) {
       $assetId = str_replace("rbxassetid://", "", $imgFile);
		if (!is_numeric($assetId)) {
			exit("Invalid asset ID extracted: '$assetId'");
		}
		$imgFile = "https://www.aftwld.com/asset?id=" . trim($assetId);
    }elseif (str_contains($imgFile, "roblox.com")) {
       $imgFile = str_replace("roblox.com", "aftwld.com", $imgFile);
    }
    $background = imagecreatefrompng($_SERVER['DOCUMENT_ROOT'] . "/Thumbs/tshirt.png");
function fetchImageFromUrl($url) {
	$url = trim($url);
$url = filter_var($url, FILTER_SANITIZE_URL);
    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => $url,
        CURLOPT_RETURNTRANSFER => true,
		CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_CAINFO => $_SERVER['DOCUMENT_ROOT'] . '/asset/cacert.pem',
        CURLOPT_SSL_VERIFYHOST => 2,
        CURLOPT_SSL_VERIFYPEER => true,
        CURLOPT_TIMEOUT => 10,
        CURLOPT_VERBOSE => true, // <--- show SSL and connection logs
        CURLOPT_STDERR => fopen('php://stderr', 'w'), // or a log file
    ]);

    $data = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $mimeType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
    $err = curl_error($ch);
    curl_close($ch);

    if ($data === false) {
        exit("cURL error: $err $url");
    }

    if ($httpCode === 200) {
        return $data;
    }

    exit("Failed to fetch image from $url — HTTP: $httpCode, MIME: $mimeType");
}
if ($background && $imgFile) {
     $overlay = @imagecreatefromstring(fetchImageFromUrl($imgFile));
if ($overlay === false) {
    exit("Failed to load overlay image from $imgFile");
}
    if ($overlay !== false) {
		function cropTransparentPixels($img) {
    $width = imagesx($img);
    $height = imagesy($img);

    $minX = $width;
    $minY = $height;
    $maxX = 0;
    $maxY = 0;

    for ($y = 0; $y < $height; $y++) {
        for ($x = 0; $x < $width; $x++) {
            $rgba = imagecolorat($img, $x, $y);
            $alpha = ($rgba & 0x7F000000) >> 24;

            if ($alpha < 127) { // visible pixel
                if ($x < $minX) $minX = $x;
                if ($x > $maxX) $maxX = $x;
                if ($y < $minY) $minY = $y;
                if ($y > $maxY) $maxY = $y;
            }
        }
    }

    // Check if no visible pixels found
    if ($maxX < $minX || $maxY < $minY) {
        return null;
    }

    $cropWidth = $maxX - $minX + 1;
    $cropHeight = $maxY - $minY + 1;

    $cropped = imagecreatetruecolor($cropWidth, $cropHeight);
    imagealphablending($cropped, false);
    imagesavealpha($cropped, true);
    $transparent = imagecolorallocatealpha($cropped, 0, 0, 0, 127);
    imagefill($cropped, 0, 0, $transparent);

    imagecopy($cropped, $img, 0, 0, $minX, $minY, $cropWidth, $cropHeight);

    return $cropped;
}

        // Preserve transparent areas from overlay image
imagealphablending($overlay, false);
imagesavealpha($overlay, true);

$canvas = imagecreatetruecolor(420, 420);
imagealphablending($canvas, false);
imagesavealpha($canvas, true);
$transparent = imagecolorallocatealpha($canvas, 0, 0, 0, 127);
imagefill($canvas, 0, 0, $transparent);

// Draw background
imagecopyresampled($canvas, $background, 0, 0, 0, 0, 420, 420, imagesx($background), imagesy($background));

// Draw overlay with preserved alpha
$boxX = $boxY = 84;
$boxW = $boxH = 420 - 2 * $boxX;
imagecopyresampled($canvas, $overlay, $boxX, $boxY, 0, 0, $boxW, $boxH, imagesx($overlay), imagesy($overlay));

header('Content-Type: image/png');
if($targetW === null || $targetH === null){
	imagepng($canvas);
imagedestroy($canvas);
imagedestroy($overlay);
imagedestroy($background);
exit;
}

$dst = imagecreatetruecolor($targetW, $targetH);
	imagealphablending($dst, false);
	imagesavealpha($dst, true);
	imagecopyresampled($dst, $canvas, 0, 0, 0, 0, $targetW, $targetH, imagesx($canvas), imagesy($canvas));
	imagepng($dst);
exit;
    }
}
}
}



// If still no image, use fallback
if (!file_exists($imagePath) || !is_readable($imagePath)) {
    // Call your rendering function
    $render = $soapUtils->renderAsset($id, $asset['AssetType']);
    if ($render) {
        $decrypted = base64_decode($render[0]);
        file_put_contents($imagePath, $decrypted);
    }
}
// If no width/height, serve as-is
if ($targetW === null || $targetH === null) {
    if (!file_exists($imagePath) || !is_readable($imagePath)) {
        $imagePath = $_SERVER['DOCUMENT_ROOT'] . '/Thumbs/img.png'; // fallback
    }

    header('Content-Type: image/png');
    header('Content-Length: ' . filesize($imagePath));
    readfile($imagePath);
    exit;
}


// Rescale
$src = imagecreatefrompng($imagePath);
if (!$src) {
    header("HTTP/1.1 500 Internal Server Error");
    exit;
}

$dst = imagecreatetruecolor($targetW, $targetH);
imagealphablending($dst, false);
imagesavealpha($dst, true);
imagecopyresampled($dst, $src, 0, 0, 0, 0, $targetW, $targetH, imagesx($src), imagesy($src));

header('Content-Type: image/png');
imagepng($dst);

imagedestroy($src);
imagedestroy($dst);
exit;