import { listMagicDevices } from "../../db/devices";
import { listProtectedDevices } from "../../db/protectedDevices";
import { requireUser } from "../../utils/auth";

/**
 * GET /api/magic/devices
 *
 * Listet alle gesch\u00fctzten Ger\u00e4te des Users f\u00fcr den Magic-Hub. Vereinigt:
 * - Magic-Bindings (UserDevice.magicEnrolledAt) \u2014 via Magic-App registriert
 * - ProtectedDevices \u2014 alter Native-App-DNS-Schutz-Flow (Multi-Device)
 *
 * Response-Items haben ein `source`-Flag:
 *   "magic" \u2192 voll verwaltet, unterst\u00fctzt request-release
 *   "protected" \u2192 alter Flow, nur Anzeige + revoke (TODO: own action)
 */
export default defineEventHandler(async (event) => {
  const user = await requireUser(event);

  const [magic, protectedDevices] = await Promise.all([
    listMagicDevices(user.id),
    listProtectedDevices(user.id),
  ]);

  const magicItems = magic.map((d) => {
    let releaseAvailableAt: string | null = null;
    if (d.releaseRequestedAt) {
      const availableAt = new Date(
        d.releaseRequestedAt.getTime() + 24 * 60 * 60 * 1000,
      );
      releaseAvailableAt = availableAt.toISOString();
    }

    return {
      source: "magic" as const,
      deviceId: d.deviceId,
      hostname: d.hostname ?? "Unbenanntes Ger\u00e4t",
      model: d.model,
      osVersion: d.osVersion,
      magicEnrolledAt: d.magicEnrolledAt.toISOString(),
      releaseRequestedAt: d.releaseRequestedAt?.toISOString() ?? null,
      releaseAvailableAt,
    };
  });

  const protectedItems = protectedDevices.map((d) => ({
    source: "protected" as const,
    deviceId: d.id,
    hostname: d.label,
    model: d.platform,
    osVersion: null as string | null,
    magicEnrolledAt: (d.installedAt ?? d.createdAt).toISOString(),
    releaseRequestedAt: null as string | null,
    releaseAvailableAt: null as string | null,
  }));

  // Magic-Bindings zuerst (neuste), dann alte ProtectedDevices
  return {
    success: true,
    data: [...magicItems, ...protectedItems],
  };
});