// Device Pair tests cover notify plugin behavior.
import fs from "node:fs/promises";
import os from "node:os";
import path from "node:path";
import type { listDevicePairing as listDevicePairingFn } from "openclaw/plugin-sdk/device-bootstrap";
import { createDeferred } from "openclaw/plugin-sdk/extension-shared";
import type {
  OpenKeyedStoreOptions,
  PluginStateKeyedStore,
} from "openclaw/plugin-sdk/plugin-state-runtime";
import {
  createPluginStateKeyedStoreForTests,
  resetPluginStateStoreForTests,
} from "openclaw/plugin-sdk/plugin-state-test-runtime";
import { createTestPluginApi } from "openclaw/plugin-sdk/plugin-test-api";
import { afterAll, afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import {
  DEVICE_PAIR_NOTIFY_SUBSCRIBER_MAX_ENTRIES,
  DEVICE_PAIR_NOTIFY_SUBSCRIBER_NAMESPACE,
  notifySubscriberStoreKey,
  type NotifySubscription,
} from "./notify-state.js";

const listDevicePairingMock = vi.hoisted(() =>
  vi.fn<typeof listDevicePairingFn>(async () => ({ pending: [], paired: [] })),
);

vi.mock("openclaw/plugin-sdk/device-bootstrap", async (importOriginal) => ({
  ...(await importOriginal<typeof import("openclaw/plugin-sdk/device-bootstrap")>()),
  listDevicePairing: listDevicePairingMock,
}));

import { createPairingNotifierService, handleNotifyCommand } from "./notify.js";

afterAll(() => {
  vi.doUnmock("openclaw/plugin-sdk/device-bootstrap");
  vi.resetModules();
});

describe("device-pair notify persistence", () => {
  let stateDir: string;
  let env: NodeJS.ProcessEnv;

  beforeEach(async () => {
    resetPluginStateStoreForTests();
    vi.clearAllMocks();
    listDevicePairingMock.mockResolvedValue({ pending: [], paired: [] });
    stateDir = await fs.mkdtemp(path.join(os.tmpdir(), "device-pair-notify-"));
    env = { ...process.env, OPENCLAW_STATE_DIR: stateDir };
  });

  afterEach(async () => {
    vi.useRealTimers();
    await fs.rm(stateDir, { recursive: true, force: true });
  });

  function openStore<T>(options: OpenKeyedStoreOptions) {
    return createPluginStateKeyedStoreForTests<T>("device-pair", {
      ...options,
      env: options.env ?? env,
    });
  }

  function createApi(
    sendText?: ReturnType<typeof vi.fn>,
    openKeyedStore: <T>(options: OpenKeyedStoreOptions) => PluginStateKeyedStore<T> = openStore,
  ) {
    return createTestPluginApi({
      runtime: {
        state: {
          resolveStateDir: () => stateDir,
          openKeyedStore,
        },
        channel: {
          outbound: {
            loadAdapter: vi.fn(async () => (sendText ? { sendText } : undefined)),
          },
        },
      } as never,
    });
  }

  function openSubscriberStore() {
    return openStore<NotifySubscription>({
      namespace: DEVICE_PAIR_NOTIFY_SUBSCRIBER_NAMESPACE,
      maxEntries: DEVICE_PAIR_NOTIFY_SUBSCRIBER_MAX_ENTRIES,
    });
  }

  it("defers the first notify poll and keeps one in flight across service recreation", async () => {
    vi.useFakeTimers();
    const firstPoll = createDeferred<Awaited<ReturnType<typeof listDevicePairingMock>>>();
    const failedPoll = createDeferred<Awaited<ReturnType<typeof listDevicePairingMock>>>();
    listDevicePairingMock
      .mockImplementationOnce(() => firstPoll.promise)
      .mockImplementationOnce(() => failedPoll.promise)
      .mockResolvedValue({ pending: [], paired: [] });
    const api = createApi();
    let service = createPairingNotifierService(api);

    await service.start({} as never);
    expect(listDevicePairingMock).not.toHaveBeenCalled();

    await vi.advanceTimersByTimeAsync(10_000);
    expect(listDevicePairingMock).toHaveBeenCalledTimes(1);
    await vi.advanceTimersByTimeAsync(20_000);
    expect(listDevicePairingMock).toHaveBeenCalledTimes(1);

    await service.stop?.({} as never);
    service = createPairingNotifierService(createApi());
    await service.start({} as never);
    await vi.advanceTimersByTimeAsync(10_000);
    expect(listDevicePairingMock).toHaveBeenCalledTimes(1);

    firstPoll.resolve({ pending: [], paired: [] });
    await vi.advanceTimersByTimeAsync(0);
    await vi.advanceTimersByTimeAsync(10_000);
    expect(listDevicePairingMock).toHaveBeenCalledTimes(2);
    await vi.advanceTimersByTimeAsync(20_000);
    expect(listDevicePairingMock).toHaveBeenCalledTimes(2);

    failedPoll.reject(new Error("poll failed"));
    await vi.advanceTimersByTimeAsync(0);
    await vi.advanceTimersByTimeAsync(10_000);
    expect(listDevicePairingMock).toHaveBeenCalledTimes(3);

    await service.stop?.({} as never);
  });

  it("delivers each request once when a service reload interrupts a slow send", async () => {
    vi.useFakeTimers();
    const firstSend = createDeferred<unknown>();
    const sendText = vi
      .fn()
      .mockImplementationOnce(() => firstSend.promise)
      .mockResolvedValue({ channel: "telegram", to: "chat-123" });
    const firstRequest = {
      requestId: "request-1",
      deviceId: "device-1",
      publicKey: "public-key-1",
      displayName: "First device",
      ts: 1,
    };
    const secondRequest = {
      requestId: "request-2",
      deviceId: "device-2",
      publicKey: "public-key-2",
      displayName: "Second device",
      ts: 2,
    };
    const api = createApi(sendText);
    await handleNotifyCommand({
      api,
      ctx: {
        channel: "telegram",
        senderId: "chat-123",
      },
      action: "on",
    });
    listDevicePairingMock.mockResolvedValue({ pending: [firstRequest], paired: [] });
    let service = createPairingNotifierService(api);

    await service.start({} as never);
    await vi.advanceTimersByTimeAsync(10_000);
    expect(sendText).toHaveBeenCalledTimes(1);

    await service.stop?.({} as never);
    service = createPairingNotifierService(createApi(sendText));
    await service.start({} as never);
    await vi.advanceTimersByTimeAsync(20_000);
    expect(sendText).toHaveBeenCalledTimes(1);

    firstSend.resolve({ channel: "telegram", to: "chat-123" });
    await vi.advanceTimersByTimeAsync(0);
    await vi.advanceTimersByTimeAsync(10_000);
    expect(sendText).toHaveBeenCalledTimes(1);

    listDevicePairingMock.mockResolvedValue({
      pending: [firstRequest, secondRequest],
      paired: [],
    });
    await vi.advanceTimersByTimeAsync(10_000);
    expect(sendText).toHaveBeenCalledTimes(2);
    expect(sendText.mock.calls[1]?.[0]).toMatchObject({
      to: "chat-123",
      text: expect.stringContaining("ID: request-2"),
    });

    await service.stop?.({} as never);
  });

  it("preserves subscriber changes made while a notification is in flight", async () => {
    vi.useFakeTimers();
    vi.setSystemTime(1_000);
    const firstSend = createDeferred<unknown>();
    const sendText = vi.fn(() => firstSend.promise);
    const api = createApi(sendText);
    await handleNotifyCommand({
      api,
      ctx: { channel: "telegram", senderId: "old-chat" },
      action: "on",
    });
    listDevicePairingMock.mockResolvedValue({
      pending: [
        {
          requestId: "request-1",
          deviceId: "device-1",
          publicKey: "public-key-1",
          ts: 2_000,
        },
      ],
      paired: [],
    });
    const service = createPairingNotifierService(api);

    await service.start({} as never);
    await vi.advanceTimersByTimeAsync(10_000);
    expect(sendText).toHaveBeenCalledTimes(1);

    await handleNotifyCommand({
      api,
      ctx: { channel: "telegram", senderId: "old-chat" },
      action: "off",
    });
    await handleNotifyCommand({
      api,
      ctx: { channel: "telegram", senderId: "new-chat" },
      action: "on",
    });
    firstSend.resolve({ channel: "telegram", to: "old-chat" });
    await vi.advanceTimersByTimeAsync(0);

    await expect(openSubscriberStore().entries()).resolves.toMatchObject([
      {
        key: notifySubscriberStoreKey({ to: "new-chat" }),
        value: { to: "new-chat", mode: "persistent" },
      },
    ]);
    await service.stop?.({} as never);
  });

  it("preserves a one-shot subscription re-armed during its delivery", async () => {
    vi.useFakeTimers();
    vi.setSystemTime(1_000);
    const firstSend = createDeferred<unknown>();
    const sendText = vi.fn(() => firstSend.promise);
    const api = createApi(sendText);
    await handleNotifyCommand({
      api,
      ctx: { channel: "telegram", senderId: "chat-123" },
      action: "once",
    });
    listDevicePairingMock.mockResolvedValue({
      pending: [
        {
          requestId: "request-1",
          deviceId: "device-1",
          publicKey: "public-key-1",
          ts: 2_000,
        },
      ],
      paired: [],
    });
    const service = createPairingNotifierService(api);

    await service.start({} as never);
    await vi.advanceTimersByTimeAsync(10_000);
    expect(sendText).toHaveBeenCalledTimes(1);

    await handleNotifyCommand({
      api,
      ctx: { channel: "telegram", senderId: "chat-123" },
      action: "once",
    });
    firstSend.resolve({ channel: "telegram", to: "chat-123" });
    await vi.advanceTimersByTimeAsync(0);

    await expect(
      openSubscriberStore().lookup(notifySubscriberStoreKey({ to: "chat-123" })),
    ).resolves.toMatchObject({
      to: "chat-123",
      mode: "once",
      addedAtMs: 11_000,
    });
    await service.stop?.({} as never);
  });

  it("rejects missing conditional-delete support before one-shot delivery", async () => {
    vi.useFakeTimers();
    vi.setSystemTime(1_000);
    const subscriber: NotifySubscription = {
      to: "chat-123",
      mode: "once",
      addedAtMs: 1_000,
      armId: "arm-1",
    };
    await openSubscriberStore().register(notifySubscriberStoreKey(subscriber), subscriber);
    listDevicePairingMock.mockResolvedValue({
      pending: [
        {
          requestId: "request-1",
          deviceId: "device-1",
          publicKey: "public-key-1",
          ts: 2_000,
        },
      ],
      paired: [],
    });
    const sendText = vi.fn(async () => ({ channel: "telegram", to: "chat-123" }));
    const api = createApi(sendText, <T>(options: OpenKeyedStoreOptions) => {
      const { deleteIf: _deleteIf, ...store } = openStore<T>(options);
      return store;
    });
    const service = createPairingNotifierService(api);

    await service.start({} as never);
    await vi.advanceTimersByTimeAsync(10_000);

    expect(sendText).not.toHaveBeenCalled();
    await expect(
      openSubscriberStore().lookup(notifySubscriberStoreKey(subscriber)),
    ).resolves.toEqual(subscriber);
    await service.stop?.({} as never);
  });

  it("keeps the request boundary at the current millisecond when re-armed", async () => {
    vi.useFakeTimers();
    vi.setSystemTime(1_000);
    const sendText = vi.fn(async () => ({ channel: "telegram", to: "chat-123" }));
    const api = createApi(sendText);
    const command = {
      api,
      ctx: { channel: "telegram", senderId: "chat-123" },
      action: "once" as const,
    };

    await handleNotifyCommand(command);
    const key = notifySubscriberStoreKey({ to: "chat-123" });
    const first = await openSubscriberStore().lookup(key);
    await handleNotifyCommand(command);
    const second = await openSubscriberStore().lookup(key);

    expect(first).toMatchObject({ addedAtMs: 1_000, armId: expect.any(String) });
    expect(second).toMatchObject({ addedAtMs: 1_000, armId: expect.any(String) });
    expect(second?.armId).not.toBe(first?.armId);

    listDevicePairingMock.mockResolvedValue({
      pending: [
        {
          requestId: "request-same-ms",
          deviceId: "device-1",
          publicKey: "public-key-1",
          ts: 1_000,
        },
      ],
      paired: [],
    });
    const service = createPairingNotifierService(api);
    await service.start({} as never);
    await vi.advanceTimersByTimeAsync(10_000);

    expect(sendText).toHaveBeenCalledWith(
      expect.objectContaining({ text: expect.stringContaining("ID: request-same-ms") }),
    );
    await service.stop?.({} as never);
  });

  it("delivers a one-shot subscription to only the first new request", async () => {
    vi.useFakeTimers();
    vi.setSystemTime(1_000);
    const sendText = vi.fn(async () => ({ channel: "telegram", to: "chat-123" }));
    const api = createApi(sendText);
    await handleNotifyCommand({
      api,
      ctx: { channel: "telegram", senderId: "chat-123" },
      action: "once",
    });
    listDevicePairingMock.mockResolvedValue({
      pending: [
        {
          requestId: "request-1",
          deviceId: "device-1",
          publicKey: "public-key-1",
          ts: 1_001,
        },
        {
          requestId: "request-2",
          deviceId: "device-2",
          publicKey: "public-key-2",
          ts: 1_002,
        },
      ],
      paired: [],
    });
    const service = createPairingNotifierService(api);

    await service.start({} as never);
    await vi.advanceTimersByTimeAsync(10_000);

    expect(sendText).toHaveBeenCalledTimes(1);
    expect(sendText).toHaveBeenCalledWith(
      expect.objectContaining({ text: expect.stringContaining("ID: request-1") }),
    );
    await expect(openSubscriberStore().entries()).resolves.toStrictEqual([]);
    await service.stop?.({} as never);
  });

  it("matches persisted telegram thread ids across number and string roundtrips", async () => {
    const subscriber: NotifySubscription = {
      to: "chat-123",
      accountId: "telegram-default",
      messageThreadId: 271,
      mode: "persistent",
      addedAtMs: 1,
    };
    await openSubscriberStore().register(notifySubscriberStoreKey(subscriber), subscriber);
    const api = createApi();

    const status = await handleNotifyCommand({
      api,
      ctx: {
        channel: "telegram",
        senderId: "chat-123",
        accountId: "telegram-default",
        messageThreadId: "271",
      },
      action: "status",
    });

    expect(status.text).toContain("Pair request notifications: enabled for this chat.");
    expect(status.text).toContain("Mode: persistent");

    await handleNotifyCommand({
      api,
      ctx: {
        channel: "telegram",
        senderId: "chat-123",
        accountId: "telegram-default",
        messageThreadId: "271",
      },
      action: "off",
    });

    await expect(openSubscriberStore().entries()).resolves.toStrictEqual([]);
  });

  it("does not remove a different persisted subscriber when notify fields contain pipes", async () => {
    const firstSubscriber: NotifySubscription = {
      to: "chat|123",
      accountId: "acct",
      mode: "persistent",
      addedAtMs: 1,
    };
    const secondSubscriber: NotifySubscription = {
      to: "chat",
      accountId: "123|acct",
      mode: "persistent",
      addedAtMs: 2,
    };
    const store = openSubscriberStore();
    await store.register(notifySubscriberStoreKey(firstSubscriber), firstSubscriber);
    await store.register(notifySubscriberStoreKey(secondSubscriber), secondSubscriber);
    const api = createApi();

    await handleNotifyCommand({
      api,
      ctx: {
        channel: "telegram",
        senderId: "chat",
        accountId: "123|acct",
      },
      action: "off",
    });

    const status = await handleNotifyCommand({
      api,
      ctx: {
        channel: "telegram",
        senderId: "chat",
        accountId: "123|acct",
      },
      action: "status",
    });
    expect(status.text).toContain("Pair request notifications: disabled for this chat.");

    await expect(openSubscriberStore().entries()).resolves.toMatchObject([
      {
        key: notifySubscriberStoreKey(firstSubscriber),
        value: firstSubscriber,
      },
    ]);
  });
});