"""
Playwright E2E test fixtures.
Starts the FastAPI app on a random port with test SQLite, no Oracle.
"""
import os
import sys
import tempfile
import pytest
import subprocess
import time
import socket


def _free_port():
    with socket.socket() as s:
        s.bind(('', 0))
        return s.getsockname()[1]


@pytest.fixture(scope="session")
def app_url():
    """Start the FastAPI app as a subprocess and return its URL."""
    port = _free_port()
    tmpdir = tempfile.mkdtemp()
    sqlite_path = os.path.join(tmpdir, "e2e_test.db")

    env = os.environ.copy()
    env.update({
        "FORCE_THIN_MODE": "true",
        "SQLITE_DB_PATH": sqlite_path,
        "ORACLE_DSN": "dummy",
        "ORACLE_USER": "dummy",
        "ORACLE_PASSWORD": "dummy",
        "JSON_OUTPUT_DIR": tmpdir,
    })

    api_dir = os.path.join(os.path.dirname(__file__), "..", "..")
    proc = subprocess.Popen(
        [sys.executable, "-m", "uvicorn", "app.main:app", "--host", "127.0.0.1", "--port", str(port)],
        cwd=api_dir,
        env=env,
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
    )

    # Wait for startup (up to 15 seconds)
    url = f"http://127.0.0.1:{port}"
    for _ in range(30):
        try:
            import urllib.request
            urllib.request.urlopen(f"{url}/health", timeout=1)
            break
        except Exception:
            time.sleep(0.5)
    else:
        proc.kill()
        stdout, stderr = proc.communicate()
        raise RuntimeError(
            f"App failed to start on port {port}.\n"
            f"STDOUT: {stdout.decode()[-2000:]}\n"
            f"STDERR: {stderr.decode()[-2000:]}"
        )

    yield url

    proc.terminate()
    try:
        proc.wait(timeout=5)
    except subprocess.TimeoutExpired:
        proc.kill()


@pytest.fixture(scope="session")
def seed_test_data(app_url):
    """
    Seed SQLite with test data via API calls.

    Oracle is unavailable in E2E tests — only SQLite-backed pages are
    fully functional. This fixture exists as a hook for future seeding;
    for now E2E tests validate UI structure on empty-state pages.
    """
    return app_url