"use client";

import { Icon } from "@iconify/react";
import dynamic from "next/dynamic";
import { Link, usePathname } from "@/i18n/routing";
import { useLocale, useTranslations } from "next-intl";
import { LanguageSwitcher } from "@/components/language-switcher";
import { useState } from "react";
import {
  Avatar,
  AvatarFallback,
  AvatarImage,
  Separator,
} from "poyraz-ui/atoms";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuLabel,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
  Sheet,
  SheetClose,
  SheetContent,
  SheetTitle,
  SheetTrigger,
} from "poyraz-ui/molecules";
import { useKeyboardShortcutLabel } from "@/lib/use-keyboard-shortcut-label";
import { getResumeHref, NAV_LINKS, SOCIAL_LINKS, TOP_ICON_LINKS } from "@/lib/links";

const SearchCommand = dynamic(
  () => import("@/components/search-command").then((mod) => mod.SearchCommand),
  { ssr: false },
);

function getNavLinkClass(isActive: boolean) {
  return [
    "inline-flex border-b-2 pb-1 text-sm transition-colors",
    isActive
      ? "border-red-600 text-foreground"
      : "border-transparent text-foreground/55 hover:text-foreground",
  ].join(" ");
}

export function SiteNavbar() {
  const pathname = usePathname();
  const [searchOpen, setSearchOpen] = useState(false);
  const shortcut = useKeyboardShortcutLabel();
  const t = useTranslations("Nav");
  const locale = useLocale();

  const isActiveLink = (href: string) => {
    if (href === "/") return pathname === "/";
    return pathname === href || pathname.startsWith(`${href}/`);
  };

  return (
    <div className="space-y-3">
      <div className="flex items-center justify-end gap-2 border-b border-border pb-3">
        {TOP_ICON_LINKS.map((item) => {
          const href = item.id === "cv" ? getResumeHref(locale) : item.href;
          return (
            <a
              key={item.id}
              href={href}
              target={item.id === "cv" || item.external ? "_blank" : undefined}
              rel={item.id === "cv" || item.external ? "noreferrer" : undefined}
              aria-label={t.has(item.id) ? t(item.id) : item.label}
              title={t.has(item.id) ? t(item.id) : item.label}
              className="inline-flex h-8 w-8 items-center justify-center rounded-sm border border-border text-muted-foreground transition-colors hover:text-foreground"
            >
              <Icon icon={item.icon} width={16} height={16} />
            </a>
          );
        })}
        <LanguageSwitcher />
      </div>

      <header className="flex items-center justify-between gap-3 border-b border-border pb-4">
        <Link
          href="/"
          aria-label="Ana sayfaya git"
          className="inline-flex items-center"
        >
          <Avatar className="h-9 w-9 rounded-sm">
            <AvatarImage src="/logo/logo.jpeg" alt="Poyraz Avsever" />
            <AvatarFallback className="rounded-sm bg-muted text-xs font-semibold">
              PA
            </AvatarFallback>
          </Avatar>
        </Link>

        <div className="hidden items-center gap-3 md:flex">
          <nav aria-label="Ana navigasyon">
            <ul className="flex items-center gap-3">
              {NAV_LINKS.map((item, index) => (
                <li key={item.id} className="flex items-center gap-3">
                  {index > 0 && (
                    <Separator
                      orientation="vertical"
                      className="h-4 bg-border"
                      decorative
                    />
                  )}
                  <Link
                    href={item.href}
                    className={getNavLinkClass(isActiveLink(item.href))}
                  >
                    {t(item.id)}
                  </Link>
                </li>
              ))}
            </ul>
          </nav>

          <Separator
            orientation="vertical"
            className="h-4 bg-border"
            decorative
          />
          <button
            type="button"
            onClick={() => setSearchOpen(true)}
            className="inline-flex h-8 w-44 cursor-pointer items-center justify-between rounded-sm border border-border px-2.5 text-sm text-muted-foreground transition-colors hover:text-foreground sm:w-52"
            aria-label={t("search")}
          >
            <span className="inline-flex items-center gap-2">
               <Icon icon="mdi:magnify" width={16} height={16} />
              <span>{t("search")}</span>
            </span>
            <span className="text-xs text-muted-foreground">{shortcut}</span>
          </button>

          <DropdownMenu>
            <DropdownMenuTrigger className="inline-flex h-8 cursor-pointer items-center gap-2 rounded-sm border border-border px-2.5 text-sm text-muted-foreground transition-colors hover:text-foreground">
              <Icon icon="mdi:share-variant" width={16} height={16} />
              <span>{t("social")}</span>
            </DropdownMenuTrigger>
            <DropdownMenuContent align="end" className="w-52 rounded-sm">
              <DropdownMenuLabel>{t("socialLinks")}</DropdownMenuLabel>
              <DropdownMenuSeparator />
              {SOCIAL_LINKS.map((item) => (
                <DropdownMenuItem key={item.id} asChild>
                  <Link
                    href={item.href}
                    target="_blank"
                    rel="noreferrer"
                    className="flex items-center gap-2"
                  >
                    <Icon icon={item.icon} width={16} height={16} />
                    <span>{item.label}</span>
                  </Link>
                </DropdownMenuItem>
              ))}
            </DropdownMenuContent>
          </DropdownMenu>
        </div>

        <div className="flex items-center gap-2 md:hidden">
          <Sheet>
            <SheetTrigger className="inline-flex h-8 cursor-pointer items-center gap-2 rounded-sm border border-border px-2.5 text-sm text-muted-foreground transition-colors hover:text-foreground">
              <Icon icon="mdi:menu" width={18} height={18} />
              <span>{t("menu")}</span>
            </SheetTrigger>
            <SheetContent side="right" className="w-72 p-4">
              <SheetTitle className="sr-only">{t("mobileMenu")}</SheetTitle>
              <div className="flex flex-col gap-4">
                <SheetClose asChild>
                  <button
                    type="button"
                    onClick={() => setSearchOpen(true)}
                    className="inline-flex h-9 w-full cursor-pointer items-center justify-between rounded-sm border border-border px-3 text-sm text-muted-foreground transition-colors hover:text-foreground"
                    aria-label={t("search")}
                  >
                    <span className="inline-flex items-center gap-2">
                      <Icon icon="mdi:magnify" width={16} height={16} />
                      <span>{t("search")}</span>
                    </span>
                    <span className="text-xs text-muted-foreground/80">
                      {shortcut}
                    </span>
                  </button>
                </SheetClose>

                <Separator className="bg-border" decorative />

                <nav aria-label="Mobil navigasyon">
                  <ul className="space-y-2">
                    {NAV_LINKS.map((item) => (
                      <li key={item.id}>
                        <SheetClose asChild>
                          <Link
                            href={item.href}
                            className={getNavLinkClass(isActiveLink(item.href))}
                          >
                            {t(item.id)}
                          </Link>
                        </SheetClose>
                      </li>
                    ))}
                  </ul>
                </nav>

                <Separator className="bg-border" decorative />

                <div className="grid grid-cols-2 gap-2">
                  {SOCIAL_LINKS.map((item) => (
                    <Link
                      key={item.id}
                      href={item.href}
                      target="_blank"
                      rel="noreferrer"
                      className="inline-flex items-center gap-2 rounded-sm border border-border px-2 py-1.5 text-xs text-muted-foreground transition-colors hover:text-foreground"
                    >
                      <Icon icon={item.icon} width={14} height={14} />
                      <span className="truncate">{item.label}</span>
                    </Link>
                  ))}
                </div>
              </div>
            </SheetContent>
          </Sheet>
        </div>

        <SearchCommand open={searchOpen} onOpenChange={setSearchOpen} />
      </header>
    </div>
  );
}