import os
import subprocess
import sys
from pathlib import Path

from room_cal._utils import get_config


def _data_home() -> Path:
  override = os.environ.get('ROOM_CAL_DATA_HOME')
  return Path(override) if override else Path.home() / '.local' / 'room_cal'


def _ts_dir() -> Path:
  return Path(__file__).parent / 'typescript'


def _npm_env() -> dict:
  dh = _data_home()
  env = os.environ.copy()
  env.setdefault('ROOM_CAL_DATA_HOME', str(dh))
  env.setdefault('PLAYWRIGHT_BROWSERS_PATH', str(dh / '.playwright-browsers'))
  api_url = get_config().api_url
  if api_url:
    env.setdefault('ROOM_CAL_API_URL', api_url)
  return env


def _ensure_installed(ts_dir: Path) -> None:
  if not (ts_dir / 'node_modules').exists():
    print('=== npm install (service-api) ===')
    subprocess.run(['npm', 'install'], cwd=ts_dir, check=True)
    print()


def refresh_booking_cookies() -> None:
  ts_dir = _ts_dir()
  _ensure_installed(ts_dir)
  env = _npm_env()
  env['HEADLESS'] = '1'
  try:
    subprocess.run(['npm', 'run', 'refresh-booking'], cwd=ts_dir, env=env, check=True)
  except subprocess.CalledProcessError as e:
    from .types import ServiceAuthError
    raise ServiceAuthError(f'Booking.com session expired — re-run without HEADLESS to re-authenticate (exit {e.returncode})') from None


def refresh_airbnb_cookies() -> None:
  ts_dir = _ts_dir()
  _ensure_installed(ts_dir)
  env = _npm_env()
  env['HEADLESS'] = '1'
  try:
    subprocess.run(['npm', 'run', 'refresh-airbnb'], cwd=ts_dir, env=env, check=True)
  except subprocess.CalledProcessError as e:
    from .types import ServiceAuthError
    raise ServiceAuthError(f'Airbnb session expired — re-run without HEADLESS to re-authenticate (exit {e.returncode})') from None


def trigger_booking_chat_auth() -> None:
  ts_dir = _ts_dir()
  _ensure_installed(ts_dir)
  result = subprocess.run(['npm', 'run', 'booking-2fa', '--'] + sys.argv[1:], cwd=ts_dir, env=_npm_env())
  sys.exit(result.returncode)


def refresh_cookies() -> None:
  ts_dir = _ts_dir()
  _ensure_installed(ts_dir)
  result = subprocess.run(['npm', 'run', 'refresh-all', '--'] + sys.argv[1:], cwd=ts_dir, env=_npm_env())
  sys.exit(result.returncode)