import os
import tempfile

import pytest

from room_cal.service_api.credentials import check_credentials, set_credentials


@pytest.fixture(autouse=True)
def isolated_data_home(tmp_path, monkeypatch):
  monkeypatch.setenv('ROOM_CAL_DATA_HOME', str(tmp_path))


def test_set_credentials_single_key(tmp_path):
  set_credentials('airbnb', {'AIRBNB_COOKIES': 'bev=abc; cdn=xyz'})
  text = (tmp_path / 'airbnb.env').read_text()
  assert 'AIRBNB_COOKIES=bev=abc; cdn=xyz' in text
  assert 'AIRBNB_UPDATED_AT=' in text


def test_set_credentials_multi_key(tmp_path):
  set_credentials('booking', {
    'BOOKING_COOKIES': 'bui=1',
    'BOOKING_SESSION': 'ses123',
    'BOOKING_CSRF_TOKEN': 'csrf456',
  })
  text = (tmp_path / 'booking.env').read_text()
  assert 'BOOKING_COOKIES=bui=1' in text
  assert 'BOOKING_SESSION=ses123' in text
  assert 'BOOKING_CSRF_TOKEN=csrf456' in text
  assert 'BOOKING_UPDATED_AT=' in text


def test_set_credentials_upserts_in_place(tmp_path):
  (tmp_path / 'airbnb.env').write_text('AIRBNB_LISTING_ID=99\nAIRBNB_COOKIES=old\n')
  set_credentials('airbnb', {'AIRBNB_COOKIES': 'new-cookie'})
  text = (tmp_path / 'airbnb.env').read_text()
  assert 'AIRBNB_COOKIES=new-cookie' in text
  assert 'old' not in text
  assert 'AIRBNB_LISTING_ID=99' in text


def test_set_credentials_updates_timestamp_on_refresh(tmp_path):
  set_credentials('airbnb', {'AIRBNB_COOKIES': 'v1'})
  first = (tmp_path / 'airbnb.env').read_text()
  set_credentials('airbnb', {'AIRBNB_COOKIES': 'v2'})
  second = (tmp_path / 'airbnb.env').read_text()
  # Only one AIRBNB_UPDATED_AT line
  assert second.count('AIRBNB_UPDATED_AT=') == 1
  assert 'AIRBNB_COOKIES=v2' in second


def test_check_credentials_missing_file(tmp_path):
  result = check_credentials('airbnb')
  assert result['valid'] is False
  assert result['age_days'] is None
  assert 'not found' in result['reason']


def test_check_credentials_no_timestamp(tmp_path):
  (tmp_path / 'airbnb.env').write_text('AIRBNB_COOKIES=abc\n')
  result = check_credentials('airbnb')
  assert result['valid'] is True
  assert result['age_days'] is None
  assert 'timestamp' in result['reason']


def test_check_credentials_with_timestamp(tmp_path):
  set_credentials('airbnb', {'AIRBNB_COOKIES': 'abc'})
  result = check_credentials('airbnb')
  assert result['valid'] is True
  assert result['age_days'] == 0
  assert 'refreshed' in result['reason']