rewrite of the script to import config

allow mysql and sqlite

bin/import_config.php

@@ -1,21 +1,75 @@
 <?php
-/**
- * Imports a json configuration into a sqlite database.
- *
- * Usage:
- *   php bin/import_config.php /path/to/config.json /path/to/owncloud.db
- */
 
-$configFile = $argv[1];
+function showUsageAndExit(int $code)
-$databaseFile = $argv[2];
+{
+    global $argv;
 
-$content = file_get_contents($configFile);
+    echo "${argv[0]} [--help] --config /path/to/config/config.php --file /path/to/config.json\n";
-$config = json_decode($content, true);
 
-$pdo = new \Pdo(sprintf('sqlite:%s', $databaseFile));
+    exit($code);
-$stmt = $pdo->prepare('UPDATE oc_appconfig SET configvalue=:value WHERE configkey=:key and appid=:appId');
+}
 
-foreach ($config as $key => $value) {
+function value(string $shortName, string $longName, array $options, bool $required = true): ?string
+{
+    $value = $options[$shortName] ?? $options[$longName] ?? null;
+
+    if (is_array($value)) {
+        echo "To much --{$longName}\n";
+        showUsageAndExit(1);
+    }
+
+    if (empty($value) && $required) {
+        echo "--{$longName} is missing\n";
+        showUsageAndExit(1);
+    }
+
+    return $value;
+}
+
+$options = getopt('t:f:c:h', [
+    'type:',
+    'file:',
+    'config:',
+    'help',
+]);
+
+$help = value('h', 'help', $options, false);
+$config = value('c', 'config', $options);
+$file = value('f', 'file', $options);
+
+if (!is_readable($config) && !is_file($config)) {
+    echo "No such file: {$config}\n";
+
+    exit(1);
+}
+
+if (!is_readable($file) && !is_file($file)) {
+    echo "No such file: {$file}\n";
+
+    exit(1);
+}
+
+$appConfig = json_decode(file_get_contents($file), true);
+
+require $config;
+
+if ('mysql' === $CONFIG['dbtype']) {
+    $pdo = new \PDO(
+        'mysql:host='.$CONFIG['dbhost'].';dbname='.$CONFIG['dbname'],
+        $CONFIG['dbuser'],
+        $CONFIG['dbpassword']
+    );
+} elseif ($CONFIG['dbtype']) {
+    $pdo = new \PDO(sprintf('sqlite:%s', $CONFIG['datadirectory'].'/owncloud.db'));
+} else {
+    echo "dbtype is not valid\n";
+
+    exit(1);
+}
+
+$stmt = $pdo->prepare('UPDATE '.$CONFIG['dbtableprefix'].'appconfig SET configvalue=:value WHERE configkey=:key and appid=:appId');
+
+foreach ($appConfig as $key => $value) {
     $stmt->execute([
         'appId' => 'side_menu',
         'key' => $key,