refactor: Move Tooltip and DarkModeToggle to shared/view/ui

src/shared/view/ui/dark-mode-toggle/DarkModeToggle.tsx

@@ -0,0 +1,53 @@
+import { Moon, Sun } from 'lucide-react';
+import { useTheme } from '../../../../contexts/ThemeContext';
+
+type DarkModeToggleProps = {
+  checked?: boolean;
+  onToggle?: (nextValue: boolean) => void;
+  ariaLabel?: string;
+};
+
+function DarkModeToggle({
+  checked,
+  onToggle,
+  ariaLabel = 'Toggle dark mode',
+}: DarkModeToggleProps) {
+  const { isDarkMode, toggleDarkMode } = useTheme();
+  // Support controlled usage while keeping ThemeContext as the default source of truth.
+  const isControlled = typeof checked === 'boolean' && typeof onToggle === 'function';
+  const isEnabled = isControlled ? checked : isDarkMode;
+
+  const handleToggle = () => {
+    if (isControlled && onToggle) {
+      onToggle(!isEnabled);
+      return;
+    }
+
+    toggleDarkMode();
+  };
+
+  return (
+    <button
+      onClick={handleToggle}
+      className="relative inline-flex h-8 w-14 items-center rounded-full bg-gray-200 dark:bg-gray-700 transition-colors duration-200 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 dark:focus:ring-offset-gray-900"
+      role="switch"
+      aria-checked={isEnabled}
+      aria-label={ariaLabel}
+    >
+      <span className="sr-only">{ariaLabel}</span>
+      <span
+        className={`${
+          isEnabled ? 'translate-x-7' : 'translate-x-1'
+        } h-6 w-6 transform rounded-full bg-white shadow-lg transition-transform duration-200 flex items-center justify-center`}
+      >
+        {isEnabled ? (
+          <Moon className="h-3.5 w-3.5 text-gray-700" />
+        ) : (
+          <Sun className="h-3.5 w-3.5 text-yellow-500" />
+        )}
+      </span>
+    </button>
+  );
+}
+
+export default DarkModeToggle;