"use client"

import { useTheme } from "next-themes"
import { Button } from "@/components/ui/button"
import { Moon, Sun } from "lucide-react"
import { useEffect, useState } from "react"

export function ThemeToggle() {
  const { theme, setTheme } = useTheme()
  const [mounted, setMounted] = useState(false)

  // Ensure component is mounted before rendering to avoid hydration mismatch
  useEffect(() => {
    setMounted(true)
  }, [])

  if (!mounted) {
    return (
      <Button variant="ghost" size="icon" aria-label="Toggle theme">
        <Sun className="h-5 w-5" />
        <span className="sr-only">Toggle theme</span>
      </Button>
    )
  }

  return (
    <Button
      variant="ghost"
      size="icon"
      onClick={() => setTheme(theme === "dark" ? "light" : "dark")}
      aria-label="Toggle theme"
    >
      <Sun className="h-5 w-5 rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
      <Moon className="absolute h-5 w-5 rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
      <span className="sr-only">Toggle theme</span>
    </Button>
  )
}
