"""Function tests for reseting a password."""

import json

import faker

from auth import handlers  # noqa
from auth.app import app
from auth.logic import user
from auth.logic import token


def test_reset_password_success():
    """Functional test for successfully triggering a password reset.

    Test creates a user and attempts to reset the password with the
    provided token from the link given in the reset email. It then
    verifies that the password token is valid and returns the client_id
    that corresponds to the password reset request.
    """
    app.testing = True
    navigator = app.test_client()
    # information about the user.
    fake = faker.Faker()
    login = fake.user_name()
    password = fake.password()
    email = fake.email()
    current_user = user.create_user(login, password, email)

    # set the navigator.
    password_token_response = token.create_password_token(
        current_user.login, current_user.id, 28873)

    reset_request = navigator.get('/reset/' + password_token_response.token)

    assert reset_request.status_code == 200
    assert json.loads(
        reset_request.data.decode('utf8')).get('client_id') == 28873


def test_password_expires_in_reduced():
    """Functional test for expiring tokens sooner when hit with a reset.

    Test creates a user and attempts to reset the password. It expects that
    after this route has been successfully hit, the token expires in 20
    minutes.
    """
    app.testing = True
    navigator = app.test_client()
    # information about the user.
    fake = faker.Faker()
    login = fake.user_name()
    password = fake.password()
    email = fake.email()
    current_user = user.create_user(login, password, email)

    # set the navigator.
    password_token_response = token.create_password_token(
        current_user.login, current_user.id, 28873)

    reset_request = navigator.get('/reset/' + password_token_response.token)

    assert reset_request.status_code == 200
    current_token = token.fetch_token(password_token_response.token)
    assert current_token.expires_in == 1200


def test_reset_password_invalid_token():
    """Functional test for triggering a password reset with an invalid token.

    Test attempts to use an invalid token in the URL and expects to receive
    a 404 error.
    """
    app.testing = True
    navigator = app.test_client()

    reset_request = navigator.get('/reset/abcdefg1234')

    assert reset_request.status_code == 404


def test_reset_password_expired_token():
    """Functional test for triggering a password reset with an expired token.

    Test attempts to use an expired token in the URL and expects to receive
    a 404.
    """
    app.testing = True
    navigator = app.test_client()
    # information about the user.
    fake = faker.Faker()
    login = fake.user_name()
    password = fake.password()
    email = fake.email()
    current_user = user.create_user(login, password, email)

    # set the navigator.
    password_token_response = token.create_password_token(
        current_user.login, current_user.id, 28873, '', 0)

    reset_request = navigator.get('/reset/' + password_token_response.token)

    assert reset_request.status_code == 404