"use client";

import * as React from "react";
import { Moon, Sun } from "lucide-react";
import { useTheme } from "next-themes";
import { Button } from "@/components/ui/button";
import { cn } from "@/lib/utils";

export function ThemeToggle({ className }: { className?: string }) {
  const { resolvedTheme, setTheme } = useTheme();
  const [mounted, setMounted] = React.useState(false);

  React.useEffect(() => setMounted(true), []);

  const isDark = mounted && resolvedTheme === "dark";

  return (
    <Button
      type="button"
      variant="ghost"
      size="icon"
      aria-label="Toggle theme"
      className={cn(className)}
      onClick={() => setTheme(isDark ? "light" : "dark")}
    >
      {isDark ? <Moon className="size-4" /> : <Sun className="size-4" />}
    </Button>
  );
}

export default ThemeToggle;