groundwork, project rename

src/main.py

@@ -1,5 +1,40 @@
+import sys
+import argparse
+from argparse import RawTextHelpFormatter
+import TwitterAPI as api
+import catchup as catchup
+
+HELP_TEXT = \
+'''OPTIONS:
+    -h                  Displays this help text.
+    -c, --catchup       Scan all tweets from all accounts and makes posts all cross-company
+                        interactions found.
+    -l, --listern       Listen for all new tweets from all accounts.
+'''
+
+def init_argparse():
+    p = argparse.ArgumentParser(description='Twitter bot that follows interactions between Nijisanji EN/ID and hololive EN/ID members.', formatter_class=RawTextHelpFormatter)
+    p.add_argument('mode', nargs='?', \
+        help='mode to run the bot at:\n\
+  l,listen:       (default) listen for new tweets from all accounts; will not terminate unless error occurs\n\
+  c,catchup:      scan all tweets from all accounts; will terminate when done')
+    return p
+
 def main():
-    print('hello python android')
+    parser = init_argparse()
+    if len(sys.argv) < 2:
+        parser.print_help()
+        return
+
+    args = parser.parse_args()
+    print(args.mode)
+
+    match args.mode:
+        case 'l' | 'listen':
+            print('LISTEN MODE')
+        case 'c' | 'catchup':
+            print('CATCH-UP MODE')
+    
 
 if __name__ == "__main__":
     main()