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<?php
// === SETTINGS ===
$convertApiSecret = 'L3QtqyCvHe4b8z3lFX4ZwAvrivMkUKco';
$clientpointApiUrl = 'https://api.clientpoint.net/v4/clientpoint/update/1177152';
$clientpointApiKey = 'b8ffc37f1bea242cc2de9a54db6a0b983c6b2a6e';
$templateId = '1185816';

// === FOLDERS ===
$uploadDir = __DIR__ . '/uploads/';
$baseImageDir = __DIR__ . '/output_images/';
$baseImageUrl = 'https://' . $_SERVER['HTTP_HOST'] . dirname($_SERVER['PHP_SELF']) . '/output_images/';

if (!file_exists($uploadDir)) mkdir($uploadDir, 0777, true);
if (!file_exists($baseImageDir)) mkdir($baseImageDir, 0777, true);

// === PROCESS FORM ===
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['pdf_file'])) {
    $pdfFile = $_FILES['pdf_file'];

    if ($pdfFile['error'] === UPLOAD_ERR_OK) {
        $uniqueId = uniqid('pdf_', true);
        $originalName = pathinfo($pdfFile['name'], PATHINFO_FILENAME);
        $pdfFilename = $originalName . '-' . $uniqueId . '.pdf';

        $uploadedPath = $uploadDir . $pdfFilename;
        $outputDir = $baseImageDir . $uniqueId . '/';
        $outputUrl = $baseImageUrl . $uniqueId . '/';

        if (!file_exists($outputDir)) mkdir($outputDir, 0777, true);

        if (move_uploaded_file($pdfFile['tmp_name'], $uploadedPath)) {
            echo "✅ PDF uploaded successfully as <b>$pdfFilename</b><br>";

            // === Convert API Call ===
            $url = 'https://v2.convertapi.com/convert/pdf/to/jpg?Secret=' . $convertApiSecret;
            $postFields = ['File' => new CURLFile($uploadedPath)];

            $ch = curl_init();
            curl_setopt_array($ch, [
                CURLOPT_URL => $url,
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_POST => true,
                CURLOPT_POSTFIELDS => $postFields
            ]);

            $response = curl_exec($ch);
            $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
            curl_close($ch);

            if ($httpCode === 200) {
                $result = json_decode($response, true);
                $htmlImages = '';

                if (isset($result['Files'])) {
                    foreach ($result['Files'] as $index => $file) {
                        $fileName = 'page' . ($index + 1) . '.jpg';
                        $localImagePath = $outputDir . $fileName;
                        $imageUrl = $outputUrl . $fileName;

                        if (!empty($file['FileData'])) {
                            $imageData = base64_decode($file['FileData']);
                            if ($imageData !== false && file_put_contents($localImagePath, $imageData)) {
                                echo "✅ Saved image: $fileName<br>";
                                $htmlImages .= '<p style="height:900px; width:700px; text-align:center; margin:0 auto;">'
                                             . '<img src="' . $imageUrl . '" height="900" width="700">'
                                             . '</p>';} 
                            else {
                                echo "❌ Failed to save image $fileName<br>";
                            }
                        } else {
                            echo "⚠️ No FileData for $fileName<br>";
                        }
                    }

                    // === SEND TO CLIENTPOINT ===
                    $clientpointPayload = [
                        'api_key' => $clientpointApiKey,
                        'template_id' => [$templateId],
                        'auto_process' => "true",
                        'data' => [
                            'ClientPDF' => $htmlImages
                        ]
                    ];

                    $ch = curl_init($clientpointApiUrl);
                    curl_setopt_array($ch, [
                        CURLOPT_RETURNTRANSFER => true,
                        CURLOPT_CUSTOMREQUEST => 'PUT',
                        CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
                        CURLOPT_POSTFIELDS => json_encode($clientpointPayload),
                    ]);

                    $clientpointResponse = curl_exec($ch);
                    $clientpointHttpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
                    curl_close($ch);

                    if ($clientpointHttpCode === 200) {
                        echo "✅ ClientPoint updated successfully.<br>";
                    } else {
                        echo "❌ Failed to update ClientPoint (HTTP $clientpointHttpCode).<br>";
                        echo "<pre>$clientpointResponse</pre>";
                    }
                } else {
                    echo "❌ No images returned by ConvertAPI.<br>";
                }
            } else {
                echo "❌ ConvertAPI request failed (HTTP $httpCode).<br>";
                echo "<pre>$response</pre>";
            }
        } else {
            echo "❌ Failed to move uploaded file.<br>";
        }
    } else {
        echo "❌ File upload error.<br>";
    }
}
?>

<!DOCTYPE html>
<html>
<head>
    <title>Upload PDF and Convert to Images</title>
</head>
<body>
    <h2>Upload a PDF to Convert to JPG</h2>
    <form method="post" enctype="multipart/form-data">
        <input type="file" name="pdf_file" required>
        <button type="submit">Upload and Convert</button>
    </form>
</body>
</html>