<?php
// Database configuration
define('DB_HOST', 'test');
define('DB_NAME', 'test');
define('DB_USER', 'test');
define('DB_PASS', 'test');

// Authentication
$auth_code = 'test'; // Set this for basic security

// display errors
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
ini_set('error_reporting', E_ALL);

// Process form submission
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['auth']) && $_POST['auth'] === $auth_code) {
    try {
        // Validate file upload
        if (!isset($_FILES['json_file']) || $_FILES['json_file']['error'] !== UPLOAD_ERR_OK) {
            throw new Exception('File upload error');
        }

        // Verify JSON file
        $file_info = pathinfo($_FILES['json_file']['name']);
        if (strtolower($file_info['extension']) !== 'json') {
            throw new Exception('Invalid file type');
        }

        // Read and decode JSON
        $json_data = file_get_contents($_FILES['json_file']['tmp_name']);
        $entries = json_decode($json_data, true);
        if (json_last_error() !== JSON_ERROR_NONE) {
            throw new Exception('Invalid JSON format');
        }

        // Connect to database
        $pdo = new PDO(
            "mysql:host=".DB_HOST.";dbname=".DB_NAME.";charset=utf8mb4",
            DB_USER,
            DB_PASS,
            [
                PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
                PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC
            ]
        );

        $results = [
            'consents_created' => 0,
            'owners_created' => 0,
            'errors' => []
        ];

        // Process each entry
        foreach ($entries as $index => $entry) {
            try {
                // Normalize data
                $kg = (int)$entry['kg'];
                $gst = (string)$entry['gst'];
                $ez = (string)$entry['ez'];
                $street = substr($entry['street'], 0, 255);

                // Find or create ConstructionConsent
                $stmt = $pdo->prepare("
                    SELECT id FROM ConstructionConsent 
                    WHERE kg = ? AND gst = ? AND ez = ?
                ");
                $stmt->execute([$kg, $gst, $ez]);
                $consent = $stmt->fetch();

                if (!$consent) {
                    $stmt = $pdo->prepare("
                        INSERT INTO ConstructionConsent (
                            constructionconsentproject_id, adb_strasse_id, object_type, name, ez, kg, gst,
                            create_by, edit_by, `create`, `edit`
                        ) VALUES (
                            1, ?, ?, ?, ?, ?, ?,
                            145, 145, UNIX_TIMESTAMP(), UNIX_TIMESTAMP()
                        )
                    ");
                    $stmt->execute([137947, "street", "GST: " . $gst, $ez, $kg, $gst]);
                    $consent_id = $pdo->lastInsertId();
                    $results['consents_created']++;
                } else {
                    $consent_id = $consent['id'];
                }

                // Prepare owner data
                $firstname = !isset($entry['firstname']) ? null : substr($entry['firstname'], 0, 255);
                $lastname = substr($entry['lastname'] ?? '', 0, 255);
                $street = substr($entry['street'], 0, 64);
                $zip = substr($entry['plz'], 0, 32);
                $city = substr($entry['ort'], 0, 64);

                // Determine owner status and result
                $status = match(strtolower($entry['status'])) {
                    'sent' => 'sent',
                    'disallowed' => 'returned',
                    'signed' => 'returned',
                    default => 'new'
                };

                $result = match(strtolower($entry['status'])) {
                    'disallowed' => 'denied',
                    'signed' => 'accepted',
                    default => 'open'
                };

                // Check existing owner
                $stmt = $pdo->prepare("
                    SELECT id FROM ConstructionConsentOwner 
                    WHERE constructionconsent_id = ? AND ( 
                    (firstname = ? AND lastname = ? AND street = ?) OR
                    (firstname IS NULL AND lastname = ? AND street = ?))
                ");
                $stmt->execute([$consent_id, $firstname, $lastname, $street, $lastname, $street]);

                if (!$stmt->fetch()) {
                    $stmt = $pdo->prepare("
                        INSERT INTO ConstructionConsentOwner (
                            constructionconsent_id, firstname, lastname, street,
                            zip, city, status, result,
                            create_by, edit_by, `create`, `edit`
                        ) VALUES (
                            ?, ?, ?, ?,
                            ?, ?, ?, ?,
                            145, 145, UNIX_TIMESTAMP(), UNIX_TIMESTAMP()
                        )
                    ");
                    $stmt->execute([
                        $consent_id, $firstname, $lastname, $street,
                        $zip, $city, $status, $result
                    ]);
                    $results['owners_created']++;
                }
            } catch (Exception $e) {
                $results['errors'][] = [
                    'index' => $index,
                    'message' => $e->getMessage(),
                    'entry' => $entry
                ];
            }
        }

        // Show results
        echo "<h3>Processing Results:</h3>";
        echo "<p>New consents created: " . $results['consents_created'] . "</p>";
        echo "<p>New owners created: " . $results['owners_created'] . "</p>";
        if (!empty($results['errors'])) {
            echo "<h4>Errors:</h4>";
            foreach ($results['errors'] as $error) {
                echo "<p style='color: red'>Error at index " . $error['index'] . ": " . $error['message'] . "</p>";
                echo "<pre>" . print_r($error['entry'], true) . "</pre>";
            }
        }

    } catch (Exception $e) {
        echo "<p style='color: red'>Error: " . $e->getMessage() . "</p>";
    }
}
?>

<!DOCTYPE html>
<html>
<head>
    <title>Construction Consent Importer</title>
    <style>
        body { font-family: Arial, sans-serif; margin: 2rem; }
        .container { max-width: 800px; margin: 0 auto; }
        form { border: 1px solid #ccc; padding: 2rem; border-radius: 5px; }
        .form-group { margin-bottom: 1rem; }
        label { display: block; margin-bottom: 0.5rem; }
    </style>
</head>
<body>
<div class="container">
    <h1>Upload Construction Consent JSON</h1>
    <form method="POST" enctype="multipart/form-data">
        <div class="form-group">
            <label>Security Code:
                <input type="password" name="auth" required>
            </label>
        </div>
        <div class="form-group">
            <label>JSON File:
                <input type="file" name="json_file" accept=".json" required>
            </label>
        </div>
        <button type="submit">Process File</button>
    </form>
</div>
</body>
</html>

<?php exit ?>