feat: way better argument parsing, cleaner structure and future-proof routing

main.py

@@ -3,24 +3,64 @@
 import sys
 import argparse
 
-from skywipe.commands import *
+from skywipe.commands import run_configure
+from skywipe.configuration import Configuration
+
+
+COMMANDS = {
+    "all": "target everything",
+    "configure": "create configuration",
+    "posts": "only posts",
+    "medias": "only posts with medias",
+    "likes": "only likes",
+    "reposts": "only reposts",
+    "follows": "only follows",
+}
+
+
+def _create_parser():
+    parser = argparse.ArgumentParser(
+        description="Clean your bluesky account with style.",
+        epilog="WARNING: This tool performs destructive operations. Only use it if you intend to erase data from your Bluesky account."
+    )
+
+    subparsers = parser.add_subparsers(
+        dest="command",
+        help="Command to execute",
+        metavar="COMMAND",
+        required=True
+    )
+
+    for cmd, help_text in COMMANDS.items():
+        subparsers.add_parser(cmd, help=help_text)
+
+    return parser
+
+
+def _check_config_required(command: str) -> bool:
+    return command != "configure"
+
+
+def _require_config():
+    config = Configuration()
+    if not config.exists():
+        print("Error: Configuration file not found.")
+        print("You must run 'skywipe configure' first.")
+        sys.exit(1)
 
 
 def main():
-    parser = argparse.ArgumentParser(
-        description="Clean your bluesky account with style")
-    parser.add_argument(
-        "command",
-        choices=["all", "configure", "posts",
-                 "medias", "likes", "reposts", "follows"],
-        help="Command to execute"
-    )
-
+    parser = _create_parser()
     args = parser.parse_args()
 
+    if _check_config_required(args.command):
+        _require_config()
+
     if args.command == "configure":
         run_configure()
-    
+    else:
+        print(f"Command '{args.command}' is not yet implemented.")
+
 
 if __name__ == '__main__':
     main()