"use client";

import { Globe } from "lucide-react";
import { usePathname, useRouter } from "next/navigation";
import { useLocale, useTranslations } from "next-intl";
import { useEffect, useState } from "react";
import { Button } from "@/components/ui/button";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";

const languages = [
  { code: "pt", name: "Português", flag: "🇧🇷" },
  { code: "en", name: "English", flag: "🇺🇸" },
];

export function LanguageSwitcher() {
  const locale = useLocale();
  const router = useRouter();
  const pathname = usePathname();
  const t = useTranslations("header");
  const [mounted, setMounted] = useState(false);

  // Evitar hydration mismatch com Radix UI
  useEffect(() => {
    setMounted(true);
  }, []);

  const handleLanguageChange = (newLocale: string) => {
    // Remove the current locale from the pathname
    const pathWithoutLocale = pathname.replace(`/${locale}`, "") || "/";
    // Navigate to the new locale
    router.push(`/${newLocale}${pathWithoutLocale}`);
  };

  const _currentLanguage = languages.find((lang) => lang.code === locale);

  // Renderizar placeholder durante SSR para evitar mismatch
  if (!mounted) {
    return (
      <Button variant="outline" size="icon" disabled>
        <Globe className="h-[1.2rem] w-[1.2rem]" />
        <span className="sr-only">{t("language")}</span>
      </Button>
    );
  }

  return (
    <DropdownMenu>
      <DropdownMenuTrigger asChild>
        <Button variant="outline" size="icon">
          <Globe className="h-[1.2rem] w-[1.2rem]" />
          <span className="sr-only">{t("language")}</span>
        </Button>
      </DropdownMenuTrigger>
      <DropdownMenuContent align="end">
        {languages.map((language) => (
          <DropdownMenuItem
            key={language.code}
            onClick={() => handleLanguageChange(language.code)}
            className={locale === language.code ? "bg-accent" : ""}
          >
            <span className="mr-2">{language.flag}</span>
            <span>{language.name}</span>
          </DropdownMenuItem>
        ))}
      </DropdownMenuContent>
    </DropdownMenu>
  );
}