from datetime import datetime, timedelta

import pytest
from freezegun import freeze_time

from flaskbb import tokens
from flaskbb.core.tokens import Token, TokenActions, TokenError

pytestmark = pytest.mark.usefixtures("default_settings")


def test_can_round_trip_token():
    serializer = tokens.FlaskBBTokenSerializer(
        "hello i am secret", timedelta(seconds=100)
    )
    token = Token(user_id=1, operation=TokenActions.RESET_PASSWORD)
    roundtrip = serializer.loads(serializer.dumps(token))

    assert token == roundtrip


def test_raises_token_error_with_bad_data():
    serializer = tokens.FlaskBBTokenSerializer(
        "hello i am also secret", timedelta(seconds=100)
    )

    with pytest.raises(TokenError) as excinfo:
        serializer.loads("not actually a token")
    assert "invalid" in str(excinfo.value)


def test_expired_token_raises():
    serializer = tokens.FlaskBBTokenSerializer(
        "i am a secret not", expiry=datetime.utcnow() + timedelta(seconds=1)
    )
    dumped_token = serializer.dumps(
        Token(user_id=1, operation=TokenActions.RESET_PASSWORD)
    )

    with freeze_time(datetime.now() + timedelta(days=10)):
        with pytest.raises(TokenError) as excinfo:
            serializer.loads(dumped_token)

    assert "expired" in str(excinfo.value)


def test_raises_typeerror_expiry_args():
    with pytest.raises(TypeError) as excinfo:
        tokens.FlaskBBTokenSerializer("hello i am also secret", 100)
        assert "timedelta or datetime" in excinfo.value