import { StatusCard } from "@/components/admin/dashboard";
import { prisma } from "@/lib/prisma";

export const dynamic = "force-dynamic";

// navigator_flatcats — emulator-owned flat (private-room) categories shown in the
// navigator. The Prisma delegate exists because the table has a primary key.
type Flatcat = {
  id: number;
  caption: string;
  captionSave: string;
  minRank: number;
  maxUserCount: number;
  canTrade: string;
  public: string;
  listType: number;
  orderNum: number;
};

// navigator_publics — emulator-owned public-room assignments. This table has no
// primary/unique key, so Prisma marks the model `@@ignore` and generates NO
// delegate (prisma.navigatorPublics does not exist). It must be read via raw SQL.
type PublicRow = {
  public_cat_id: number;
  room_id: number;
  visible: string;
};

// Reusable yes/no pill so emulator boolean-ish "1"/"0" columns read consistently.
function YesNo({ on }: { on: boolean }) {
  return (
    <span className={`inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full ${on ? "bg-green-600/20 text-[var(--color-text)]" : "bg-red-500/22 text-[var(--color-text)]"}`}>{on ? "Yes" : "No"}</span>
  );
}

export default async function AdminNavigation() {
  let flatcats: Flatcat[] = [];
  try {
    flatcats = await prisma.navigatorFlatcats.findMany({
      select: {
        id: true,
        caption: true,
        captionSave: true,
        minRank: true,
        maxUserCount: true,
        canTrade: true,
        public: true,
        listType: true,
        orderNum: true,
      },
      orderBy: [{ orderNum: "asc" }, { id: "asc" }],
    });
  } catch {
    flatcats = [];
  }

  // Raw read because navigator_publics is an `@@ignore`d (keyless) model.
  let publics: PublicRow[] = [];
  try {
    publics = await prisma.$queryRaw<PublicRow[]>`
      SELECT public_cat_id, room_id, visible
      FROM navigator_publics
      ORDER BY public_cat_id ASC, room_id ASC
    `;
  } catch {
    publics = [];
  }

  // Resolve the public-category names and room names referenced by the rows above
  // so the read-only view is legible. Each lookup degrades to an empty map on error.
  const catIds = Array.from(new Set(publics.map((p) => p.public_cat_id)));
  const roomIds = Array.from(new Set(publics.map((p) => p.room_id)));

  let catNameById = new Map<number, string>();
  if (catIds.length) {
    try {
      const cats = await prisma.navigatorPubliccats.findMany({
        where: { id: { in: catIds } },
        select: { id: true, name: true },
      });
      catNameById = new Map(cats.map((c) => [c.id, c.name]));
    } catch {
      catNameById = new Map();
    }
  }

  let roomNameById = new Map<number, string>();
  if (roomIds.length) {
    try {
      const rooms = await prisma.rooms.findMany({
        where: { id: { in: roomIds } },
        select: { id: true, name: true },
      });
      roomNameById = new Map(rooms.map((r) => [r.id, r.name]));
    } catch {
      roomNameById = new Map();
    }
  }

  const publicFlatcats = flatcats.filter((c) => c.public === "1").length;
  const visiblePublics = publics.filter((p) => p.visible === "1").length;

  return (
    <main>
      <h1>Navigator</h1>
      <p className="muted" style={{ marginTop: "-0.4rem" }}>
        Read-only · the navigator config is owned by the emulator. Edit it in your
        emulator tooling, not here.
      </p>

      <div className="grid grid-cols-[repeat(auto-fit,minmax(180px,1fr))] gap-3.5 mb-6">
        <StatusCard label="Flat categories" value={flatcats.length} icon="📂" />
        <StatusCard
          label="Public (flatcats)"
          value={publicFlatcats}
          hint="marked public"
          icon="🌐"
        />
        <StatusCard label="Public rooms" value={publics.length} icon="🚪" />
        <StatusCard
          label="Visible rooms"
          value={visiblePublics}
          state={visiblePublics > 0 ? "ok" : "neutral"}
          icon="👁️"
        />
      </div>

      {/* ── navigator_flatcats ───────────────────────────────── */}
      <section className="mt-6">
        <h2>Flat categories</h2>
        <p className="muted" style={{ marginTop: "-0.4rem" }}>
          <code>navigator_flatcats</code> · {flatcats.length} rows
        </p>
        {flatcats.length === 0 ? (
          <p className="muted">No flat categories found.</p>
        ) : (
          <div style={{ overflowX: "auto" }}>
            <table>
              <thead>
                <tr>
                  <th>ID</th>
                  <th>Caption</th>
                  <th>Caption (save)</th>
                  <th>Min rank</th>
                  <th>Max users</th>
                  <th>Can trade</th>
                  <th>Public</th>
                  <th>List type</th>
                  <th>Order</th>
                </tr>
              </thead>
              <tbody>
                {flatcats.map((c) => (
                  <tr key={c.id}>
                    <td className="muted">{c.id}</td>
                    <td>{c.caption || "—"}</td>
                    <td className="muted">{c.captionSave || "—"}</td>
                    <td>{c.minRank}</td>
                    <td>{c.maxUserCount}</td>
                    <td>
                      <YesNo on={c.canTrade === "1"} />
                    </td>
                    <td>
                      <YesNo on={c.public === "1"} />
                    </td>
                    <td>{c.listType}</td>
                    <td>{c.orderNum}</td>
                  </tr>
                ))}
              </tbody>
            </table>
          </div>
        )}
      </section>

      {/* ── navigator_publics ────────────────────────────────── */}
      <section className="mt-6">
        <h2>Public rooms</h2>
        <p className="muted" style={{ marginTop: "-0.4rem" }}>
          <code>navigator_publics</code> · {publics.length} rows
        </p>
        {publics.length === 0 ? (
          <p className="muted">No public-room assignments found.</p>
        ) : (
          <div style={{ overflowX: "auto" }}>
            <table>
              <thead>
                <tr>
                  <th>Public cat</th>
                  <th>Room</th>
                  <th>Visible</th>
                </tr>
              </thead>
              <tbody>
                {publics.map((p, i) => (
                  <tr key={`${p.public_cat_id}-${p.room_id}-${i}`}>
                    <td>
                      {catNameById.get(p.public_cat_id) ?? "—"}{" "}
                      <span className="muted">#{p.public_cat_id}</span>
                    </td>
                    <td>
                      {roomNameById.get(p.room_id) || "(unnamed)"}{" "}
                      <span className="muted">#{p.room_id}</span>
                    </td>
                    <td>
                      <YesNo on={p.visible === "1"} />
                    </td>
                  </tr>
                ))}
              </tbody>
            </table>
          </div>
        )}
      </section>
    </main>
  );
}