const {
  buildInvoiceUpdatedEvent,
  canReceiveEvent,
  createAppEventBus,
  toClientEvent,
} = require("../../../src/services/events");

describe("app events", () => {
  it("publishes minimal invoice updated events", () => {
    const event = buildInvoiceUpdatedEvent({
      invoiceId: "11111111-1111-4111-8111-111111111111",
      status: "available",
      audienceEmployeeIds: ["employee-1", "employee-1", ""],
      updatedAt: "2026-05-09T10:00:00.000Z",
    });

    expect(event).toEqual({
      type: "invoice.updated",
      invoiceId: "11111111-1111-4111-8111-111111111111",
      status: "available",
      updatedAt: "2026-05-09T10:00:00.000Z",
      audienceEmployeeIds: ["employee-1"],
    });

    expect(toClientEvent({ id: "evt-1", createdAt: "2026-05-09T10:00:01.000Z", ...event })).toEqual({
      id: "evt-1",
      type: "invoice.updated",
      invoiceId: "11111111-1111-4111-8111-111111111111",
      status: "available",
      updatedAt: "2026-05-09T10:00:00.000Z",
      createdAt: "2026-05-09T10:00:01.000Z",
    });
  });

  it("filters invoice events by employee audience unless invoice manager", () => {
    const event = buildInvoiceUpdatedEvent({
      invoiceId: "11111111-1111-4111-8111-111111111111",
      status: "available",
      audienceEmployeeIds: ["employee-1"],
    });

    expect(canReceiveEvent({ id: "employee-1" }, event)).toBe(true);
    expect(canReceiveEvent({ id: "employee-2" }, event)).toBe(false);
    expect(canReceiveEvent({ id: "employee-2" }, event, { canManageInvoice: true })).toBe(true);
  });

  it("supports subscribe and unsubscribe on the in-process event bus", () => {
    const bus = createAppEventBus();
    const handler = vi.fn();
    const unsubscribe = bus.subscribe(handler);

    bus.publish({ type: "invoice.updated", invoiceId: "invoice-1", audienceEmployeeIds: ["employee-1"] });
    unsubscribe();
    bus.publish({ type: "invoice.updated", invoiceId: "invoice-2", audienceEmployeeIds: ["employee-1"] });

    expect(handler).toHaveBeenCalledTimes(1);
    expect(handler.mock.calls[0][0]).toEqual(
      expect.objectContaining({
        id: expect.any(String),
        createdAt: expect.any(String),
        type: "invoice.updated",
        invoiceId: "invoice-1",
        audienceEmployeeIds: ["employee-1"],
      }),
    );
  });
});