import { describe, it, expect, vi, beforeEach } from "vitest";
import { streams } from "./streams.js";
import { taskContext, realtimeStreams } from "@trigger.dev/core/v3";

vi.mock("@trigger.dev/core/v3", async (importOriginal) => {
  const original = await importOriginal<typeof import("@trigger.dev/core/v3")>();
  return {
    ...original,
    taskContext: {
      ctx: {
        run: {
          id: "run_123",
          // parentTaskRunId and rootTaskRunId are undefined for root tasks
        },
      },
    },
    realtimeStreams: {
      pipe: vi.fn().mockReturnValue({
        wait: () => Promise.resolve(),
        stream: new ReadableStream(),
      }),
    },
  };
});

describe("streams.pipe consistency", () => {
  beforeEach(() => {
    vi.clearAllMocks();
  });

  it("should not throw and should use self runId when target is 'root' in a root task", async () => {
    const mockStream = new ReadableStream();

    // This should not throw anymore
    const { waitUntilComplete } = streams.pipe("test-key", mockStream, {
      target: "root",
    });

    expect(realtimeStreams.pipe).toHaveBeenCalledWith(
      "test-key",
      mockStream,
      expect.objectContaining({
        target: "run_123",
      })
    );
  });

  it("should not throw and should use self runId when target is 'parent' in a root task", async () => {
    const mockStream = new ReadableStream();

    // This should not throw anymore
    const { waitUntilComplete } = streams.pipe("test-key", mockStream, {
      target: "parent",
    });

    expect(realtimeStreams.pipe).toHaveBeenCalledWith(
      "test-key",
      mockStream,
      expect.objectContaining({
        target: "run_123",
      })
    );
  });
});
