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

// Don't use the global mock — we test the real recyclePage
vi.unmock("../services/browser.js");

// Mock puppeteer so initBrowser doesn't launch real browsers
vi.mock("puppeteer", () => ({
  default: {
    launch: vi.fn(),
  },
}));

describe("recyclePage", () => {
  it("cleans up request interception listeners before navigating to about:blank", async () => {
    // Dynamic import to get the real (unmocked) module
    const { recyclePage } = await import("../services/browser.js");

    const callOrder: string[] = [];

    const mockPage = {
      createCDPSession: vi.fn().mockResolvedValue({
        send: vi.fn().mockResolvedValue(undefined),
        detach: vi.fn().mockResolvedValue(undefined),
      }),
      removeAllListeners: vi.fn().mockImplementation((event: string) => {
        callOrder.push(`removeAllListeners:${event}`);
        return mockPage;
      }),
      setRequestInterception: vi.fn().mockImplementation((val: boolean) => {
        callOrder.push(`setRequestInterception:${val}`);
        return Promise.resolve();
      }),
      cookies: vi.fn().mockResolvedValue([]),
      deleteCookie: vi.fn(),
      goto: vi.fn().mockImplementation((url: string) => {
        callOrder.push(`goto:${url}`);
        return Promise.resolve();
      }),
    };

    await recyclePage(mockPage as any);

    // Verify request interception cleanup happens
    expect(mockPage.removeAllListeners).toHaveBeenCalledWith("request");
    expect(mockPage.setRequestInterception).toHaveBeenCalledWith(false);

    // Verify cleanup happens BEFORE navigation to about:blank
    const removeIdx = callOrder.indexOf("removeAllListeners:request");
    const interceptIdx = callOrder.indexOf("setRequestInterception:false");
    const gotoIdx = callOrder.indexOf("goto:about:blank");

    expect(removeIdx).toBeGreaterThanOrEqual(0);
    expect(interceptIdx).toBeGreaterThanOrEqual(0);
    expect(gotoIdx).toBeGreaterThanOrEqual(0);
    expect(removeIdx).toBeLessThan(gotoIdx);
    expect(interceptIdx).toBeLessThan(gotoIdx);
  });
});