import pytest

import calsocial
from calsocial.models import db, User


@pytest.fixture
def client():
    calsocial.app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///'
    calsocial.app.config['TESTING'] = True
    calsocial.app.config['WTF_CSRF_ENABLED'] = False
    client = calsocial.app.test_client()

    with calsocial.app.app_context():
        db.create_all()

    yield client

    with calsocial.app.app_context():
        db.drop_all()


def test_index_no_login(client):
    """Test the main page without logging in
    """

    page = client.get('/')
    assert b'Welcome to Calendar.social' in page.data


def test_register_page(client):
    """Test the registration page
    """

    page = client.get('/register')
    assert b'Register</button>' in page.data

def test_register_post_empty(client):
    """Test sending empty registration data
    """

    page = client.post('/register', data={})
    assert b'This field is required' in page.data

def test_register_invalid_email(client):
    """Test sending an invalid email address
    """

    page = client.post('/register', data={
        'username': 'test',
        'email': 'test',
        'password': 'password',
        'password_retype': 'password',
    })
    assert b'Invalid email address' in page.data

def test_register_password_mismatch(client):
    """Test sending different password for registration
    """

    page = client.post('/register', data={
        'username': 'test',
        'email': 'test@example.com',
        'password': 'password',
        'password_retype': 'something',
    })
    assert b'The two passwords must match' in page.data

def test_register(client):
    """Test user registration
    """

    page = client.post('/register', data={
        'username': 'test',
        'email': 'test@example.com',
        'password': 'password',
        'password_retype': 'password',
    })
    print(page.data)
    assert page.status_code == 302
    assert page.location == 'http://localhost/'

    with calsocial.app.app_context():
        user = User.query.one()

    assert user.username == 'test'
    assert user.email == 'test@example.com'

def test_register_existing_username(client):
    """Test registering an existing username
    """

    with calsocial.app.app_context():
        user = User(username='test', email='test@example.com')
        db.session.add(user)
        db.session.commit()

    page = client.post('/register', data={
        'username': 'test',
        'email': 'test2@example.com',
        'password': 'password',
        'password_retype': 'password',
    })
    assert b'This username is not available' in page.data

def test_register_existing_email(client):
    """Test registering an existing email address
    """

    with calsocial.app.app_context():
        user = User(username='test', email='test@example.com')
        db.session.add(user)
        db.session.commit()

    page = client.post('/register', data={
        'username': 'tester',
        'email': 'test@example.com',
        'password': 'password',
        'password_retype': 'password',
    })
    assert b'This email address can not be used' in page.data