Add functional theme changer to xonsh configuration

dot_config/xonsh/rc.d/env.xsh

@@ -1,21 +1,7 @@
-# --- Detect Environment ---
-
-try:
-    import warnings
-    with warnings.catch_warnings():
-        warnings.simplefilter("ignore")
-        import darkdetect
-
-    dark_mode = darkdetect.isDark()
-except ImportError:
-    dark_mode = False
+import sys
 
 brew_prefix = $(brew --prefix).strip()
 
-# --- Xonsh Configuration ---
-
-$XONSH_COLOR_STYLE = "stata-dark" if dark_mode else "stata-light"
-
 # --- Path Variables ---
 #> Use MacOS path_helper executable
 source-bash $(/usr/libexec/path_helper -s)
@@ -42,13 +28,53 @@ $CMAKE_GENERATOR = "Sublime Text 2 - Ninja" # use Ninja generator by default
 $FZF_DEFAULT_COMMAND = "fd --type f"
 
 # --- Aliases ---
+
+def _theme(args):
+    """This command takes a 
+    """
+    DARK_XONSH_STYLE = "stata-dark"
+    DARK_KITTY_STYLE = "Mariana"
+    LIGHT_XONSH_STYLE = "stata-light"
+    LIGHT_KITTY_STYLE = "Breakers"
+    if len(args) == 0 or args[0] == "info":
+        print("dark" if $XONSH_COLOR_STYLE == DARK_XONSH_STYLE else "light")
+    elif args[0] == "set":
+        dark_mode = False
+        if len(args) > 1:
+            if args[1] == "dark":
+                dark_mode = True
+            elif args[1] == "light":
+                dark_mode = False
+            else:
+                print(f"unknown theme `{args[1]}'", file=sys.stderr)
+                return 1
+        else:
+            try:
+                import warnings
+
+                with warnings.catch_warnings():
+                    warnings.simplefilter("ignore")
+                    import darkdetect
+
+                dark_mode = darkdetect.isDark()
+            except ImportError:
+                print("darkdetect package not found (xpip install darkdetect)", file=sys.stderr)
+        $XONSH_COLOR_STYLE = DARK_XONSH_STYLE if dark_mode else LIGHT_XONSH_STYLE
+        $( kitty +kitten themes @(DARK_KITTY_STYLE if dark_mode else LIGHT_KITTY_STYLE) )
+    else:
+        print(f"unknown argument `{args[0]}'", file=sys.stderr)
+        return 1
+    return 0
+
 aliases["brew-backup"] = ("brew", "bundle", "dump", "--global", "--no-lock", "--cask", "--mas", "--tap", "--force")
 aliases["brew-cleanup"] = ("brew", "bundle", "cleanup", "--global", "--no-lock", "--force", "--zap")
 aliases["brew-restore"] = ("brew", "bundle", "install", "--global", "--no-lock")
 aliases["edit"] = $VISUAL
 aliases["less"] = "bat"
 aliases["ls"] = "exa"
-aliases["set-dark-theme"] = ("kitty", "+kitten", "themes", "Mariana")
-aliases["set-light-theme"] = ("kitty", "+kitten", "themes", "Breakers")
 aliases["ssh"] = ("kitty", "+kitten", "ssh")
 aliases["start"] = "open"
+aliases["theme"] = _theme
+
+# --- Set theme based on Dark Mode ---
+_theme(["set"])