import { useEffect, useState } from "react";
import { useNavigate } from "react-router-dom";
import SidebarAdmin from "../Layout/SidebarAdmin";
import NavbarAdmin from "../Layout/NavbarAdmin";
import axios from "axios";

type Lowongan = {
  id: string;
  posisi: string;
  kelompok_peminatan: string;
  lokasi: string;
};

const ListLowongan = () => {
  const [lowongans, setLowongans] = useState<Lowongan[]>([]);
  const [searchTerm, setSearchTerm] = useState("");
  const [currentPage, setCurrentPage] = useState(1);
  const itemsPerPage = 10;
  const navigate = useNavigate();

  useEffect(() => {
    fetchLowongan();
  }, []);

  const fetchLowongan = () => {
    axios
      .get(`${import.meta.env.VITE_API_BASE_URL}/lowongan-magang-api/get`)
      .then((res) => {
        setLowongans(res.data.data || []);
      })
      .catch((err) => {
        console.error("Gagal mengambil data lowongan:", err);
      });
  };

  const handleDelete = async (id: string) => {
    const confirmed = window.confirm("Yakin ingin menghapus lowongan ini?");
    if (!confirmed) return;

    try {
      const token = document.cookie
        .split("; ")
        .find((row) => row.startsWith("token="))
        ?.split("=")[1];

      if (!token) {
        alert("Token tidak ditemukan. Silakan login ulang.");
        return;
      }

      await axios.delete(
        `${import.meta.env.VITE_API_BASE_URL}/lowongan-magang-api/delete/${id}`,
        {
          headers: {
            Authorization: `Bearer ${token}`,
          },
        }
      );

      alert("Lowongan berhasil dihapus.");
      fetchLowongan();
    } catch (err) {
      console.error("Gagal menghapus:", err);
      alert("Gagal menghapus lowongan pastikan tidak ada data pelamar yang sedang melamar.");
    }
  };

  const indexOfLastItem = currentPage * itemsPerPage;
  const indexOfFirstItem = indexOfLastItem - itemsPerPage;

  const filteredLowongans = lowongans.filter(
    (low) =>
      low.posisi.toLowerCase().includes(searchTerm.toLowerCase()) ||
      low.kelompok_peminatan.toLowerCase().includes(searchTerm.toLowerCase()) ||
      low.lokasi.toLowerCase().includes(searchTerm.toLowerCase())
  );

  const currentItems = filteredLowongans.slice(
    indexOfFirstItem,
    indexOfLastItem
  );
  const totalPages = Math.ceil(filteredLowongans.length / itemsPerPage);

  return (
    <div className="min-h-screen w-full overflow-hidden">
      <NavbarAdmin />
      <div className="flex flex-row">
        <SidebarAdmin />
        <div className="p-10 bg-white flex-col flex-wrap w-full">
          <div className="flex justify-between items-center mb-6">
            <h2 className="font-semibold text-[24px]">Daftar Lowongan</h2>
            <div className="flex gap-2">
              <input
                type="text"
                placeholder="Cari Posisi, Kelompok, Lokasi"
                value={searchTerm}
                onChange={(e) => setSearchTerm(e.target.value)}
                className="px-4 py-2 rounded-2xl w-[20rem] border border-slate-400"
              />
              <button
                onClick={() => navigate("/add-product-admin")}
                className="bg-[#1F4A92] hover:bg-[#677c9f] cursor-pointer text-white font-semibold px-4 py-2 rounded-lg"
              >
                Tambah
              </button>
            </div>
          </div>

          <div className="overflow-x-auto">
            <table className="min-w-full">
              <thead>
                <tr className="text-left">
                  <th className="px-6 py-3">Posisi</th>
                  <th className="px-6 py-3">Kelompok Peminatan</th>
                  <th className="px-6 py-3">Lokasi</th>
                  <th className="px-6 py-3">Aksi</th>
                </tr>
              </thead>
              <tbody>
                {currentItems.map((low) => (
                  <tr key={low.id} className="hover:bg-gray-50">
                    <td className="px-6 py-3">{low.posisi}</td>
                    <td className="px-6 py-3">{low.kelompok_peminatan}</td>
                    <td className="px-6 py-3">{low.lokasi}</td>
                    <td className="px-6 py-3 flex gap-2">
                      {/* Tombol View */}
                      <button
                        className="bg-[#3BE21D] text-white p-2 rounded-xl cursor-pointer"
                        onClick={() =>
                          window.open(`/details/${low.id}`, "_blank")
                        }
                      >
                        <svg
                          xmlns="http://www.w3.org/2000/svg"
                          fill="none"
                          viewBox="0 0 24 24"
                          strokeWidth={1.5}
                          stroke="currentColor"
                          className="size-6"
                        >
                          <path
                            strokeLinecap="round"
                            strokeLinejoin="round"
                            d="M2.036 12.322a1.012 1.012 0 0 1 0-.639C3.423 7.51 7.36 4.5 12 4.5c4.638 0 8.573 3.007 9.963 7.178.07.207.07.431 0 .639C20.577 16.49 16.64 19.5 12 19.5c-4.638 0-8.573-3.007-9.963-7.178Z"
                          />
                          <path
                            strokeLinecap="round"
                            strokeLinejoin="round"
                            d="M15 12a3 3 0 1 1-6 0 3 3 0 0 1 6 0Z"
                          />
                        </svg>
                      </button>

                      {/* Tombol Hapus */}
                      <button
                        className="bg-[#E41E1E] text-white p-2 rounded-xl cursor-pointer"
                        onClick={() => handleDelete(low.id)}
                      >
                        <svg
                          xmlns="http://www.w3.org/2000/svg"
                          fill="none"
                          viewBox="0 0 24 24"
                          strokeWidth={1.5}
                          stroke="currentColor"
                          className="size-6"
                        >
                          <path
                            strokeLinecap="round"
                            strokeLinejoin="round"
                            d="m14.74 9-.346 9m-4.788 0L9.26 9m9.968-3.21c.342.052.682.107 1.022.166m-1.022-.165L18.16 19.673a2.25 2.25 0 0 1-2.244 2.077H8.084a2.25 2.25 0 0 1-2.244-2.077L4.772 5.79m14.456 0a48.108 48.108 0 0 0-3.478-.397m-12 .562c.34-.059.68-.114 1.022-.165m0 0a48.11 48.11 0 0 1 3.478-.397m7.5 0v-.916c0-1.18-.91-2.164-2.09-2.201a51.964 51.964 0 0 0-3.32 0c-1.18.037-2.09 1.022-2.09 2.201v.916m7.5 0a48.667 48.667 0 0 0-7.5 0"
                          />
                        </svg>
                      </button>
                    </td>
                  </tr>
                ))}
              </tbody>
            </table>

            {lowongans.length === 0 && (
              <p className="text-center text-gray-500 mt-5">Tidak ada data.</p>
            )}

            <div className="flex justify-center mt-6 gap-2">
              {Array.from({ length: totalPages }, (_, i) => (
                <button
                  key={i}
                  onClick={() => setCurrentPage(i + 1)}
                  className={`px-4 py-2 rounded-lg border ${
                    currentPage === i + 1
                      ? "bg-blue-500 text-white"
                      : "bg-white text-gray-700"
                  }`}
                >
                  {i + 1}
                </button>
              ))}
            </div>
          </div>
        </div>
      </div>
    </div>
  );
};

export default ListLowongan;