"use client"

import { useTheme } from "next-themes"
import { Moon, Sun } from "lucide-react"
import { Button } from "@/components/ui/button"
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu"
import { useEffect, useState } from "react"

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

  useEffect(() => {
    setMounted(true)
  }, [])

  if (!mounted) {
    return null
  }

  return (
    <DropdownMenu>
      <DropdownMenuTrigger asChild>
        <Button variant="outline" size="icon" className="relative">
          <Sun className="h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
          <Moon className="absolute h-[1.2rem] w-[1.2rem] rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
          <span className="sr-only">Toggle theme</span>
        </Button>
      </DropdownMenuTrigger>
      <DropdownMenuContent align="end">
        <DropdownMenuItem onClick={() => setTheme("light")}>
          Claro
        </DropdownMenuItem>
        <DropdownMenuItem onClick={() => setTheme("dark")}>
          Escuro
        </DropdownMenuItem>
        <DropdownMenuItem onClick={() => setTheme("system")}>
          Sistema
        </DropdownMenuItem>
      </DropdownMenuContent>
    </DropdownMenu>
  )
}