from datetime import datetime

import rfc3339
from flask import json
from flask.testing import FlaskClient

from tests.conftest import AuthActions


def test_get_users_happy_path(auth: AuthActions, client: FlaskClient):
    auth.login()
    auth_header = auth.get_authorization_header_token()
    result = client.get(
        '/user',
        headers={
            auth_header.header: auth_header.data
        })
    assert 200 == result.status_code
    assert result.json is not None
    assert result.json['page'] == 1
    assert result.json['lastPage'] == 1
    assert result.json['count'] == 1
    assert result.json['totalCount'] == 1
    assert result.json['items'][0]['name'] == auth.username


def test_get_users_nonexistent_page(auth: AuthActions, client: FlaskClient):
    auth.login()
    auth_header = auth.get_authorization_header_token()
    result = client.get(
        '/user?page=2',
        headers={
            auth_header.header: auth_header.data
        })
    assert 404 == result.status_code
    assert result.json is not None


def test_get_user_happy_path(auth: AuthActions, client: FlaskClient):
    auth.login()
    auth_header = auth.get_authorization_header_token()
    result = client.get(
        '/user/{}'.format(client.application.config['test_username']),
        headers={
            auth_header.header: auth_header.data
        })
    assert 200 == result.status_code
    assert result.json is not None
    assert result.json['name'] == client.application.config['test_username']


def test_patch_user_happy_path(auth: AuthActions, client: FlaskClient):
    auth.login()
    auth_header = auth.get_authorization_header_token()
    last_login_time = rfc3339.format(datetime.now())

    user = client.get(
        '/user/{}'.format(client.application.config['test_username']),
        headers={
            auth_header.header: auth_header.data
        })

    patched_user = client.patch(
        '/user/{}'.format(client.application.config['test_username']),
        data=json.dumps({
            'version': user.json['version'],
            'lastLoginTime': last_login_time
        }),
        headers={
            auth_header.header: auth_header.data,
            'Content-Type': 'application/json'
        })

    assert 200 == patched_user.status_code
    assert patched_user.json['version'] == user.json['version'] + 1
    assert patched_user.json['lastLoginTime'] == last_login_time


def test_register_user_happy_path(auth: AuthActions, client: FlaskClient):
    auth.login()
    auth_header = auth.get_authorization_header_token()
    result = client.post(
        '/user',
        data=json.dumps({
            'name': 'test_registered_user'
        }),
        headers={
            auth_header.header: auth_header.data,
            'Content-Type': 'application/json'
        })
    assert 200 == result.status_code
    assert result.json is not None
    assert result.json['name'] == 'test_registered_user'


def test_register_user_invalid_password(
        auth: AuthActions, client: FlaskClient):
    auth.login()
    auth_header = auth.get_authorization_header_token()
    result = client.post(
        '/user',
        data=json.dumps({
            'name': 'test_registered_user',
            'password': ''
        }),
        headers={
            auth_header.header: auth_header.data,
            'Content-Type': 'application/json'
        })
    assert 400 == result.status_code
    assert result.json is not None
    assert 'message' in result.json


def test_register_user_twice_failure(auth: AuthActions, client: FlaskClient):
    auth.login()
    auth_header = auth.get_authorization_header_token()
    result1 = client.post(
        '/user',
        data=json.dumps({
            'name': 'test_registered_user'
        }),
        headers={
            auth_header.header: auth_header.data,
            'Content-Type': 'application/json'
        })
    result2 = client.post(
        '/user',
        data=json.dumps({
            'name': 'test_registered_user'
        }),
        headers={
            auth_header.header: auth_header.data,
            'Content-Type': 'application/json'
        })
    assert 200 == result1.status_code
    assert result1.json is not None
    assert result1.json['name'] == 'test_registered_user'
    assert 400 == result2.status_code
    assert result2.json is not None
    assert result2.json['message'] == 'User name is already taken.'


def test_delete_user_happy_path(auth: AuthActions, client: FlaskClient):
    auth.login()
    auth_header = auth.get_authorization_header_token()
    result1 = client.post(
        '/user',
        data=json.dumps({
            'name': 'test_registered_user'
        }),
        headers={
            auth_header.header: auth_header.data,
            'Content-Type': 'application/json'
        })
    result2 = client.delete(
        '/user/'+result1.json['name'],
        headers={
            auth_header.header: auth_header.data
        })
    assert 200 == result1.status_code
    assert result1.json is not None
    assert result1.json['name'] == 'test_registered_user'
    assert 200 == result2.status_code
    assert result2.json is not None
    assert 'message' in result2.json