changed config structure

config.py

@@ -1,10 +1,38 @@
 import json
-from typing import Any
+import re
 
 class Config:
-    def __init__(self) -> None:
-        with open("config.json", "r") as f:
-            self.params = json.load(f)
+    DEFAULT_FONT_FAMILY = "Ubuntu Mono"
+    DEFAULT_FONT_SIZE = 16
+    ITALIC_FONT_FAMILY = "Ubuntu Mono"
+    ITALIC_FONT_SIZE = 14
+    BACKGROUND_COLOR = [255, 255, 255]
+    TEXT_COLOR = [0, 0, 0]
+    LINK_COLOR = [0, 0, 0]
+    BIT_I_COLOR = [0, 0, 0]
+    BORDER_COLOR = [0, 0, 0]
+    BIT_WIDTH = 30
+    BIT_HEIGHT = 30
+    DESCRIPTION_MARGIN = 10
+    DASH_LENGTH = 6
+    DASH_SPACE = 4
+    ARROW_SIZE = 10
+    MARGINS = [20, 20, 20, 20]
+    ARROW_MARGIN = 4
+    VALUES_GAP = 5
+    ARROW_LABEL_DISTANCE = 5
     
-    def get(self, param: str) -> Any:
-        return self.params[param]
+    def __init__(self, path: str = "config.json") -> None:
+        self.load(path)
+    
+    def load(self, path: str) -> None:
+        with open(path, "r") as f:
+            config = json.load(f)
+            
+            for k, v in config.items():
+                k = Config.formatKey(k)
+                if hasattr(Config, k):
+                    setattr(Config, k, v)
+
+    def formatKey(key: str) -> str:
+        return re.sub(r"([a-z])([A-Z])", r"\1_\2", key).upper()