"use client";

import { useEffect, useState } from "react";
import { Search, Building2, RefreshCw, Users } from "lucide-react";
import { AdminLayout } from "@/components/admin/admin-layout";
import { Button } from "@/components/ui/button";
import { Badge } from "@/components/ui/badge";
import { useLanguage } from "@/components/language-provider";

interface Org {
  id: string;
  name: string;
  slug: string;
  description: string;
  is_active: boolean;
  created_at: string;
  member_count: number;
  user_role: string;
}

export default function AdminOrganizationsPage() {
  const { lang, dir } = useLanguage();
  const [orgs, setOrgs] = useState<Org[]>([]);
  const [loading, setLoading] = useState(true);
  const [search, setSearch] = useState("");

  useEffect(() => {
    const token = localStorage.getItem("access_token");
    if (!token) {
      window.location.href = "/login?redirect=/admin/organizations";
      return;
    }

    const fetchData = async () => {
      const baseURL = process.env.NEXT_PUBLIC_API_URL;
      const qs = new URLSearchParams();
      if (search) qs.set("search", search);

      try {
        const res = await fetch(`${baseURL}/organizations/?${qs.toString()}`, {
          headers: { Authorization: `Bearer ${token}` },
        });
        const data = await res.json();
        setOrgs(data.results || []);
      } catch (e) {
        console.error(e);
      } finally {
        setLoading(false);
      }
    };

    const timer = setTimeout(fetchData, search ? 500 : 0);
    return () => clearTimeout(timer);
  }, [search]);

  const t = (fa: string, en: string) => (lang === "fa" ? fa : en);

  if (loading) {
    return (
      <AdminLayout>
        <div className="flex items-center justify-center h-64">
          <RefreshCw className="h-8 w-8 animate-spin text-brand-400" />
        </div>
      </AdminLayout>
    );
  }

  return (
    <AdminLayout>
      <div className="space-y-6">
        <div className="flex items-center justify-between">
          <h2 className="text-xl font-bold text-white">{t("سازمان\u200cها", "Organizations")}</h2>
          <Button size="sm">
            {t("ایجاد سازمان", "Create Organization")}
          </Button>
        </div>

        <div className="relative flex-1 max-w-md">
          <Search className={`absolute left-3 top-1/2 -translate-y-1/2 h-5 w-5 text-slate-500 ${dir === "rtl" ? "left-3 right-auto" : ""}`} />
          <input
            type="text"
            placeholder={t("جستجو در سازمان‌ها...", "Search organizations...")}
            value={search}
            onChange={(e) => setSearch(e.target.value)}
            className="w-full pl-12 pr-4 py-2.5 rounded-lg border border-white/10 bg-white/5 text-white focus:outline-none focus:ring-2 focus:ring-brand-500/50"
            dir={dir}
          />
        </div>

        <div className="overflow-x-auto rounded-xl border border-white/10">
          <table className="w-full text-sm">
            <thead>
              <tr className="border-b border-white/10 bg-white/[0.02]">
                <th className="px-4 py-3 text-start text-xs font-medium text-slate-400">{t("سازمان", "Organization")}</th>
                <th className="px-4 py-3 text-start text-xs font-medium text-slate-400">{t("وضعیت", "Status")}</th>
                <th className="px-4 py-3 text-start text-xs font-medium text-slate-400">{t("اعضا", "Members")}</th>
                <th className="px-4 py-3 text-start text-xs font-medium text-slate-400">{t("نقش شما", "Your Role")}</th>
                <th className="px-4 py-3 text-start text-xs font-medium text-slate-400">{t("ساخته شده", "Created")}</th>
              </tr>
            </thead>
            <tbody>
              {orgs.map((org) => (
                <tr key={org.id} className="border-b border-white/5">
                  <td className="px-4 py-3">
                    <div className="flex items-center gap-3">
                      <span className="flex h-9 w-9 items-center justify-center rounded-lg bg-brand-gradient/10 text-sm font-bold text-brand-200">
                        <Building2 className="h-5 w-5" />
                      </span>
                      <div>
                        <div className="font-medium text-white">{org.name}</div>
                        <div className="text-xs text-slate-500">{org.slug}</div>
                      </div>
                    </div>
                  </td>
                  <td className="px-4 py-3">
                    <Badge variant={org.is_active ? "default" : "secondary"} className="text-xs">
                      {org.is_active ? t("فعال", "Active") : t("غیرفعال", "Inactive")}
                    </Badge>
                  </td>
                  <td className="px-4 py-3 text-slate-300">{org.member_count}</td>
                  <td className="px-4 py-3">
                    <Badge variant="secondary" className="text-xs capitalize">
                      {t(org.user_role, org.user_role)}
                    </Badge>
                  </td>
                  <td className="px-4 py-3 text-slate-400">
                    {new Date(org.created_at).toLocaleDateString(lang === "fa" ? "fa-IR" : "en-US")}
                  </td>
                </tr>
              ))}
            </tbody>
          </table>
          {orgs.length === 0 && !loading && (
            <div className="py-12 text-center text-slate-500">
              {t("سازمانی یافت نشد", "No organizations found")}
            </div>
          )}
        </div>
      </div>
    </AdminLayout>
  );
}