import pytest
import requests
import json

OK = 200
CREATED = 201
CONFLICT = 409

def test_multiple_user_apis():
    prev_count = len(json.loads(get_all_users().text))
    resp = register_user('pytest-user', 'fake-password')
    assert(resp.status_code == CREATED) # CREATED 
    new_all_users = json.loads(get_all_users().text)
    assert(len(new_all_users) == prev_count + 1)
    assert(new_all_users[-1]['userName'] == 'pytest-user')
    resp = register_user('pytest-user', 'dummy') # Create same username will fail
    assert(resp.status_code == CONFLICT) # CONFLICT
    print(new_all_users[-1])
    resp = delete_user(new_all_users[-1]['userName'])
    assert(resp.status_code == OK)
    assert(len(json.loads(get_all_users().text)) == prev_count)
    resp = register_user('pytest-user', 'fake-password')
    assert(resp.status_code == CREATED)
    resp = register_user('pytest-user2', 'fake-password')
    assert(resp.status_code == CREATED)
    updated_test_user2 = {
        'firstName': '大强',
        'lastName': '苏'
    }
    resp = update_user('pytest-user2', updated_test_user2)
    assert(resp.status_code == OK)
    resp = json.loads(get_user('pytest-user2').text)
    assert(resp['firstName'] == '大强')
    assert(resp['lastName'] == '苏')
    resp = json.loads(get_user('pytest-user').text)
    delete_user(resp['userName'])
    resp = json.loads(get_user('pytest-user2').text)
    delete_user(resp['userName'])

def get_user(userName):
    url = 'http://localhost:8080/user/' + userName
    return requests.get(url)

def register_user(userName, password):
    url = 'http://localhost:8080/user/register'
    data = {
        'userName': userName,
        'password': password
    }
    return requests.post(url, json=data)

def get_all_users():
    url = 'http://localhost:8080/admin/users'
    resp = requests.get(url)
    return resp

def delete_user(userName):
    url = 'http://localhost:8080/admin/users'
    data = {
        'userName': userName
    }
    return requests.delete(url, json=data)

def update_user(userName, updatedData):
    url = 'http://localhost:8080/user/' + userName
    return requests.put(url, json=updatedData)