[O] Refactor global cfg

hyfetch/constants.py

@@ -1,12 +1,12 @@
+from __future__ import annotations
+
 import os
+from dataclasses import dataclass
 from pathlib import Path
 
 CONFIG_PATH = Path.home() / '.config/hyfetch.json'
 VERSION = '1.0.7'
 
-# Global color mode default to 8-bit for compatibility
-COLOR_MODE = '8bit'
-
 # Obtain terminal size
 try:
     TERM_LEN = os.get_terminal_size().columns
@@ -28,3 +28,13 @@ _/\_   _/_/\_
 |  |(_(  |  |""".strip('\n')
 
 TEST_ASCII_WIDTH = max(len(line) for line in TEST_ASCII.split('\n'))
+
+@dataclass
+class GlobalConfig:
+    # Global color mode default to 8-bit for compatibility
+    color_mode: str
+    override_distro: str | None
+    debug: bool
+
+
+GLOBAL_CFG = GlobalConfig(color_mode='8bit', override_distro=None, debug=False)