import { prisma } from "@/lib/prisma";
import Link from "next/link";
import { Plus, Edit } from "lucide-react";
import { DeleteButton } from "@/components/admin/DeleteButton";
import { deleteWhatsappTemplate } from "./actions";

export const metadata = {
  title: "Kelola Template WhatsApp | Admin",
};

export default async function WhatsappTemplatesPage() {
  const templates = await prisma.whatsappTemplate.findMany({
    orderBy: { createdAt: "desc" },
  });

  return (
    <div className="space-y-6">
      <div className="flex items-center justify-between">
        <div>
          <h1 className="text-2xl font-bold text-slate-900">Template WhatsApp</h1>
          <p className="text-sm text-slate-500 mt-1">
            Kelola template pesan otomatis WhatsApp untuk berbagai layanan.
          </p>
        </div>
        <Link
          href="/admin/whatsapp-templates/create"
          className="bg-merah-ranata text-white px-4 py-2 rounded-lg font-medium hover:bg-merah-ranata/90 transition flex items-center gap-2"
        >
          <Plus className="w-5 h-5" />
          <span>Tambah Template</span>
        </Link>
      </div>

      <div className="bg-white rounded-xl shadow-sm border border-slate-200 overflow-hidden">
        <div className="overflow-x-auto">
          <table className="w-full text-left border-collapse">
            <thead>
              <tr className="bg-slate-50 border-b border-slate-200 text-sm text-slate-600">
                <th className="p-4 font-semibold">Tipe Layanan</th>
                <th className="p-4 font-semibold">Isi Pesan (Template)</th>
                <th className="p-4 font-semibold w-[120px]">Aksi</th>
              </tr>
            </thead>
            <tbody className="divide-y divide-slate-200 text-sm text-slate-700">
              {templates.length === 0 ? (
                <tr>
                  <td colSpan={3} className="p-8 text-center text-slate-500">
                    Belum ada template. Silakan tambah baru.
                  </td>
                </tr>
              ) : (
                templates.map((template) => (
                  <tr key={template.id} className="hover:bg-slate-50/50 transition">
                    <td className="p-4 align-top">
                      <span className="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-slate-100 text-slate-800">
                        {template.serviceType}
                      </span>
                    </td>
                    <td className="p-4">
                      <p className="whitespace-pre-line text-slate-600 line-clamp-3">
                        {template.message}
                      </p>
                    </td>
                    <td className="p-4 align-top">
                      <div className="flex items-center gap-2">
                        <Link
                          href={`/admin/whatsapp-templates/${template.id}/edit`}
                          className="p-2 text-blue-600 hover:bg-blue-50 rounded-lg transition"
                          title="Edit"
                        >
                          <Edit className="w-4 h-4" />
                        </Link>
                        <DeleteButton
                          action={deleteWhatsappTemplate.bind(null, template.id)}
                          confirmMessage="Yakin ingin menghapus template ini?"
                        />
                      </div>
                    </td>
                  </tr>
                ))
              )}
            </tbody>
          </table>
        </div>
      </div>

      <div className="bg-blue-50 border border-blue-200 rounded-xl p-6">
        <h3 className="font-semibold text-blue-900 mb-2">Panduan Placeholder (Variabel Dinamis)</h3>
        <p className="text-sm text-blue-800 mb-4">
          Anda dapat menggunakan tag/placeholder berikut di dalam isi pesan. Sistem akan otomatis menggantinya dengan data yang sesuai saat pengguna menekan tombol pesan.
        </p>
        <ul className="text-sm text-blue-800 space-y-2 list-disc list-inside">
          <li><strong>[TITLE]</strong> : Nama/Judul layanan (misal: "Paket Tour Bali 3D2N")</li>
          <li><strong>[LOCATION]</strong> : Lokasi (jika ada)</li>
          <li><strong>[PRICE]</strong> : Harga (jika ada)</li>
          <li><strong>[AIRLINE]</strong> : Nama Maskapai penerbangan (khusus tiket pesawat)</li>
          <li><strong>[CAPACITY]</strong> : Kapasitas (khusus rental mobil)</li>
        </ul>
      </div>
    </div>
  );
}