import {
  addBlacklist,
  addWhitelist,
  deleteBlacklist,
  deleteWhitelist,
} from "@/actions/admin-ip";
import { prisma } from "@/lib/prisma";

export const dynamic = "force-dynamic";

type IpRow = {
  id: bigint;
  ipAddress: string;
  asn: string | null;
  createdAt: Date | null;
};

function formatDate(d: Date | null): string {
  return d ? d.toISOString().slice(0, 16).replace("T", " ") : "";
}

export default async function AdminIp() {
  let whitelist: IpRow[] = [];
  let blacklist: IpRow[] = [];

  try {
    whitelist = await prisma.websiteIpWhitelist.findMany({
      orderBy: { id: "desc" },
      take: 200,
    });
  } catch {
    whitelist = [];
  }

  try {
    blacklist = await prisma.websiteIpBlacklist.findMany({
      orderBy: { id: "desc" },
      take: 200,
    });
  } catch {
    blacklist = [];
  }

  return (
    <main>
      <h1>IP Management</h1>

      <div className="grid cols-2">
        {/* ── Whitelist ─────────────────────────────── */}
        <section>
          <h2>Whitelist</h2>

          <form action={addWhitelist} className="card" style={{ marginBottom: "1rem" }}>
            <div style={{ display: "flex", gap: "0.5rem", flexWrap: "wrap" }}>
              <input
                name="ipAddress"
                placeholder="IP address"
                required
                style={{ flex: 1, minWidth: 140 }}
              />
              <input name="asn" placeholder="ASN (optional)" style={{ width: 140 }} />
              <button type="submit" className="btn btn-secondary">
                Add
              </button>
            </div>
          </form>

          <table>
            <thead>
              <tr>
                <th>IP</th>
                <th>ASN</th>
                <th>Added</th>
                <th />
              </tr>
            </thead>
            <tbody>
              {whitelist.map((w) => (
                <tr key={String(w.id)}>
                  <td>{w.ipAddress}</td>
                  <td className="muted">{w.asn ?? "—"}</td>
                  <td className="muted">{formatDate(w.createdAt)}</td>
                  <td>
                    <form action={deleteWhitelist}>
                      <input type="hidden" name="id" value={String(w.id)} />
                      <button type="submit" className="btn btn-danger">
                        Remove
                      </button>
                    </form>
                  </td>
                </tr>
              ))}
            </tbody>
          </table>
          {whitelist.length === 0 ? <p className="muted">No whitelisted IPs.</p> : null}
        </section>

        {/* ── Blacklist ─────────────────────────────── */}
        <section>
          <h2>Blacklist</h2>

          <form action={addBlacklist} className="card" style={{ marginBottom: "1rem" }}>
            <div style={{ display: "flex", gap: "0.5rem", flexWrap: "wrap" }}>
              <input
                name="ipAddress"
                placeholder="IP address"
                required
                style={{ flex: 1, minWidth: 140 }}
              />
              <input name="asn" placeholder="ASN (optional)" style={{ width: 140 }} />
              <button type="submit" className="btn btn-danger">
                Add
              </button>
            </div>
          </form>

          <table>
            <thead>
              <tr>
                <th>IP</th>
                <th>ASN</th>
                <th>Added</th>
                <th />
              </tr>
            </thead>
            <tbody>
              {blacklist.map((b) => (
                <tr key={String(b.id)}>
                  <td>{b.ipAddress}</td>
                  <td className="muted">{b.asn ?? "—"}</td>
                  <td className="muted">{formatDate(b.createdAt)}</td>
                  <td>
                    <form action={deleteBlacklist}>
                      <input type="hidden" name="id" value={String(b.id)} />
                      <button type="submit" className="btn btn-danger">
                        Remove
                      </button>
                    </form>
                  </td>
                </tr>
              ))}
            </tbody>
          </table>
          {blacklist.length === 0 ? <p className="muted">No blacklisted IPs.</p> : null}
        </section>
      </div>
    </main>
  );
}