const dispatcher = require("../../../../src/services/integrations/dispatcher");
const { clearWecomAppAccessTokenCache } = require("../../../../src/services/integrations/wecomAccessToken");

describe("Integration Dispatcher", () => {
  it.each(["erp.reimbursement.paid", "erp.journal.export", "erp.procurement.export", "erp.asset.export", "erp.travel.export", "erp.future"])("refuses retired %s without any dispatch or binding write", async (eventType) => {
    const fetch = vi.fn(); vi.stubGlobal("fetch", fetch);
    try {
      await expect(dispatcher.dispatchOutboxEvent({ eventType, payload: {} })).rejects.toMatchObject({ code: "erp_retired", retryable: false });
      expect(fetch).not.toHaveBeenCalled();
    } finally { vi.unstubAllGlobals(); }
  });

  afterEach(() => {
    clearWecomAppAccessTokenCache();
    vi.restoreAllMocks();
  });

  it("dispatches notification.im with mock channel", async () => {
    const result = await dispatcher.dispatchOutboxEvent({
      prisma: {
        notificationChannel: {
          findUnique: vi.fn().mockResolvedValue({
            id: "channel-1",
            channel_type: "wecom",
            name: "test",
            enabled: true,
            config_json: { mode: "mock", routing: {} },
            template_json: null,
          }),
        },
      },
      config: { imNotifierEnabled: true },
      eventType: "notification.im",
      payload: { channelId: "channel-1", channelType: "wecom", title: "title", body: "body" },
    });

    expect(result.channel).toBe("im");
    expect(result.code).toBe("mock_sent");
  });

  it("marks encrypted secret decrypt failure as non-retryable IM dispatch error", async () => {
    const encryptedSecret = "v1:bad:payload:value";

    await expect(
      dispatcher.dispatchOutboxEvent({
        prisma: {
          notificationChannel: {
            findUnique: vi.fn().mockResolvedValue({
              id: "channel-2",
              channel_type: "wecom",
              name: "test",
              enabled: true,
              config_json: {
                mode: "wecom_webhook",
                webhookUrl: "https://example.com/wecom",
                secretEncrypted: encryptedSecret,
                timeoutMs: 500,
                routing: {},
              },
              template_json: null,
            }),
          },
        },
        config: {
          imNotifierEnabled: true,
          fieldEncryptionKey: Buffer.alloc(32, 7).toString("base64"),
        },
        eventType: "notification.im",
        payload: { channelId: "channel-2", channelType: "wecom", title: "title", body: "body" },
      }),
    ).rejects.toMatchObject({
      name: "IntegrationDispatchError",
      code: "wecom_secret_decrypt_failed",
      retryable: false,
    });
  });

  it("dispatches notification.im app message as no-bound when recipient has no wecom binding", async () => {
    const prisma = {
      notificationChannel: {
        findUnique: vi.fn().mockResolvedValue({
          id: "channel-app",
          channel_type: "wecom",
          name: "app-message",
          enabled: true,
          config_json: { mode: "wecom_app_message", routing: {} },
          template_json: null,
        }),
      },
      wecomIdentityBinding: {
        findMany: vi.fn().mockResolvedValue([]),
      },
    };

    const result = await dispatcher.dispatchOutboxEvent({
      prisma,
      config: { imNotifierEnabled: true },
      eventType: "notification.im",
      payload: {
        channelId: "channel-app",
        channelType: "wecom",
        title: "title",
        body: "body",
        recipientEmployeeIds: ["employee-1"],
      },
    });

    expect(result.channel).toBe("im");
    expect(result.code).toBe("wecom_app_no_bound_recipients");
    expect(prisma.wecomIdentityBinding.findMany).toHaveBeenCalledWith(
      expect.objectContaining({
        where: { employee_id: { in: ["employee-1"] } },
      }),
    );
  });

  it("dispatches notification.im app message to bound wecom member", async () => {
    const fetchMock = vi
      .fn()
      .mockResolvedValueOnce({
        ok: true,
        status: 200,
        json: vi.fn().mockResolvedValue({ errcode: 0, access_token: "token-1", expires_in: 7200 }),
      })
      .mockResolvedValueOnce({
        ok: true,
        status: 200,
        json: vi.fn().mockResolvedValue({ errcode: 0, errmsg: "ok" }),
      });
    vi.stubGlobal("fetch", fetchMock);

    const result = await dispatcher.dispatchOutboxEvent({
      prisma: {
        notificationChannel: {
          findUnique: vi.fn().mockResolvedValue({
            id: "channel-app",
            channel_type: "wecom",
            name: "app-message",
            enabled: true,
            config_json: { mode: "wecom_app_message", timeoutMs: 500, routing: {} },
            template_json: null,
          }),
        },
        wecomIdentityBinding: {
          findMany: vi.fn().mockResolvedValue([{ external_user_id: "oa_smoke_02" }]),
        },
      },
      config: {
        imNotifierEnabled: true,
        wecomCorpId: "corp-1",
        wecomAgentId: "1000002",
        wecomAgentSecret: "secret-1",
      },
      eventType: "notification.im",
      payload: {
        channelId: "channel-app",
        channelType: "wecom",
        title: "待办通知",
        body: "请处理审批",
        detailUrl: "https://oa.example.com/api/auth/deeplink?token=abc",
        recipientEmployeeIds: ["employee-1"],
      },
    });

    expect(result.channel).toBe("im");
    expect(result.code).toBe("wecom_app_sent");
    expect(fetchMock).toHaveBeenCalledTimes(2);
    const sendBody = JSON.parse(fetchMock.mock.calls[1][1].body);
    expect(sendBody).toEqual(
      expect.objectContaining({
        touser: "oa_smoke_02",
        msgtype: "textcard",
        agentid: 1000002,
        textcard: expect.objectContaining({
          title: "待办通知",
          url: "https://oa.example.com/api/auth/deeplink?token=abc",
        }),
      }),
    );
    expect(String(fetchMock.mock.calls[1][0])).toContain("/cgi-bin/message/send");
    expect(JSON.stringify(result.response)).not.toContain("token-1");
  });

  it("throws error for unsupported event", async () => {
    await expect(
      dispatcher.dispatchOutboxEvent({
        config: {},
        eventType: "unknown.event",
      }),
    ).rejects.toThrow("unsupported_outbox_event:unknown.event");
  });
});