diff --git a/src/generator/main.py b/src/generator/main.py
index cd2557f..18c214f 100644
--- a/src/generator/main.py
+++ b/src/generator/main.py
@@ -1,7 +1,9 @@
 from .languages import language_registry
 import json
 from typing import Any, Optional
+from pathlib import Path
 import click
+from utils.cli import error, info, success
 
 
 @click.group()
@@ -9,10 +11,6 @@ def cli():
     pass
 
 
-def _generate(generator, schema_name, output_dir, make_all):
-    generator.generate(output_dir, schema_file=schema_name, make_all=make_all)
-
-
 @cli.command()
 @click.option("--schema-dir", default="./schema", help="Schema directory")
 @click.option("--language", required=False, help="Schema directory")
@@ -21,17 +19,26 @@ def _generate(generator, schema_name, output_dir, make_all):
 @click.argument("schema", default=None)
 def generate(schema, schema_dir, all, output_dir, language: Optional[str] = None):
     if schema is None and not all:
-        raise ValueError()
+        error("Please pass option --all or argument schema")
+        return
     if language:
         generator_cls = language_registry.get(language)
         if generator_cls is None:
-            raise ValueError()
+            error("Generator for this language not found!")
+            return
         generator = generator_cls(schema_dir)
-        _generate(generator, schema, output_dir, make_all=all)
+        generator.generate(output_dir, schema_file=schema, make_all=all)
+        info(f"{'Types' if all else 'Type'} for language {language_name} generated.")
     else:
-        for generator_cls in language_registry.values():
+        for language_name, generator_cls in language_registry.items():
+            output_path = Path(output_dir) / language_name
             generator = generator_cls(schema_dir)
-            _generate(generator, schema, output_dir, make_all=all)
+            generator.generate(output_path, schema_file=schema, make_all=all)
+            info(
+                f"{'Types' if all else 'Type'} for language {language_name} generated."
+            )
+
+    success(f"{'Types' if all else 'Type'} generated.")
 
 
 if __name__ == "__main__":
diff --git a/src/utils/cli.py b/src/utils/cli.py
new file mode 100644
index 0000000..afcda91
--- /dev/null
+++ b/src/utils/cli.py
@@ -0,0 +1,17 @@
+import click
+
+
+def error(message):
+    click.secho(message, err=True, fg="red")
+
+
+def success(message):
+    click.secho(message, fg="green")
+
+
+def warning(message):
+    click.secho(message, fg="orange")
+
+
+def info(message):
+    click.secho(message, fg="cyan")