added check for config file

Signed-off-by: tracer <tracer@24unix.net>

bindAPI/bin/console

@@ -13,8 +13,23 @@ require dirname(path: __DIR__) . '/vendor/autoload.php';
 use App\Controller\BindAPI;
 
 $configFile = dirname(path: __DIR__) ."/config.json";
+if (!file_exists($configFile)) {
+	echo 'Missing config file' . PHP_EOL;
+	if (confirm(message: 'Should I create a new config based on config.json.sample?')) {
+		copy(from: 'config.json.sample', to: 'config.json');
+		echo 'Config file has been generated. Adjust it to your needs, then proceed to database setup.' . PHP_EOL;
+	} else {
+		echo 'You first have to setup the bindAPI. Bye.' . PHP_EOL;
+		exit(0);
+	}
+	exit(1);
+}
 $configJSON = file_get_contents($configFile);
-$config = json_decode($configJSON, associative: true);
+
+if (!$config = json_decode($configJSON, associative: true)) {
+	echo 'Error parsing the config file.' . PHP_EOL;
+	echo $configJSON;
+}
 
 $shortOpts = 'v::'; // version
 $shortOpts .= "V::"; // verbose
@@ -50,3 +65,47 @@ $app = new BindAPI(config: $config, argumentsCount: count($arguments), arguments
 $app->runCommand();
 
 
+/**
+ * @param String $message
+ * @param array  $options
+ * @param string $default
+ *
+ * @return bool
+ */
+function confirm(String $message = 'Are you sure? ', array $options = ['y', 'n'], string $default ='n'): bool
+{
+	// first $options means true, any other false
+	echo $message, ' (';
+	$first = true;
+	foreach ($options as $option) {
+		// mark default
+		if ($option == $default) {
+			$option = strtoupper($option);
+		}
+		if ($first) {
+			echo $option;
+			$first = false;
+		} else {
+			echo '/', $option;
+		}
+	}
+	echo '): ';
+	
+	$handle = fopen("php://stdin", 'r');
+	$line = trim(fgetc($handle));
+	fclose($handle);
+	
+	if ($line == '') {
+		// enter
+		$line = $default;
+	}
+	
+	if ($line == $options[0]) {
+		$result = true;
+	} else {
+		$result = false;
+	}
+	
+	return $result;
+}
+