import subprocess
import time
from typing import Generator

import pytest
from playwright.sync_api import Browser, Page, Playwright, sync_playwright

# Use a different port for the test server to avoid conflicts
TEST_PORT = 8001
BASE_URL = f"http://localhost:{TEST_PORT}"


@pytest.fixture(scope="function")
def live_server() -> Generator[str, None, None]:
    """Launch a live test server in a separate process."""
    process = subprocess.Popen(
        ["uvicorn", "main:app", f"--port={TEST_PORT}"],
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
    )
    time.sleep(2)  # Give the server a moment to start
    yield BASE_URL
    process.terminate()
    process.wait()


@pytest.fixture(scope="session")
def playwright_instance() -> Generator[Playwright, None, None]:
    """Provide a Playwright instance for the test session."""
    with sync_playwright() as p:
        yield p


@pytest.fixture(scope="session")
def browser(
    playwright_instance: Playwright,
) -> Generator[Browser, None, None]:
    """Provide a browser instance for the test session."""
    browser = playwright_instance.chromium.launch()
    yield browser
    browser.close()


@pytest.fixture()
def page(browser: Browser, live_server: str) -> Generator[Page, None, None]:
    """Provide a new page for each test."""
    page = browser.new_page(base_url=live_server)
    yield page
    page.close()