import { beforeEach, describe, expect, it, vi } from "vitest";

const sendMock = vi.fn();
vi.mock("../send.js", () => ({
  sendMessageSlack: (...args: unknown[]) => sendMock(...args),
}));

import { deliverReplies } from "./replies.js";

function baseParams(overrides?: Record<string, unknown>) {
  return {
    replies: [{ text: "hello" }],
    target: "C123",
    token: "xoxb-test",
    runtime: { log: () => {}, error: () => {}, exit: () => {} },
    textLimit: 4000,
    replyToMode: "off" as const,
    ...overrides,
  };
}

describe("deliverReplies identity passthrough", () => {
  beforeEach(() => {
    sendMock.mockReset();
  });
  it("passes identity to sendMessageSlack for text replies", async () => {
    sendMock.mockResolvedValue(undefined);
    const identity = { username: "Bot", iconEmoji: ":robot:" };
    await deliverReplies(baseParams({ identity }));

    expect(sendMock).toHaveBeenCalledOnce();
    expect(sendMock.mock.calls[0][2]).toMatchObject({ identity });
  });

  it("passes identity to sendMessageSlack for media replies", async () => {
    sendMock.mockResolvedValue(undefined);
    const identity = { username: "Bot", iconUrl: "https://example.com/icon.png" };
    await deliverReplies(
      baseParams({
        identity,
        replies: [{ text: "caption", mediaUrls: ["https://example.com/img.png"] }],
      }),
    );

    expect(sendMock).toHaveBeenCalledOnce();
    expect(sendMock.mock.calls[0][2]).toMatchObject({ identity });
  });

  it("omits identity key when not provided", async () => {
    sendMock.mockResolvedValue(undefined);
    await deliverReplies(baseParams());

    expect(sendMock).toHaveBeenCalledOnce();
    expect(sendMock.mock.calls[0][2]).not.toHaveProperty("identity");
  });
});