import os
import random
import re
import string
import time

import requests
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.ui import WebDriverWait
from urllib3.util import parse_url

TEST_APP_URL = os.getenv('TEST_APP_URL')
TEST_CLIENT_URL = os.getenv('TEST_CLIENT_URL')
E2E_ARGS = os.getenv('E2E_ARGS')
TEST_URL = TEST_CLIENT_URL if E2E_ARGS == 'client' else TEST_APP_URL
EMAIL_URL = os.getenv('EMAIL_URL', 'smtp://none:none@0.0.0.0:1025')
parsed_email_url = parse_url(EMAIL_URL)
EMAIL_API_URL = f'http://{parsed_email_url.host}:8025'


def random_string(length=8):
    return ''.join(random.choice(string.ascii_letters) for _ in range(length))


def register(selenium, user):
    selenium.get(f'{TEST_URL}/register')
    selenium.implicitly_wait(1)
    username = selenium.find_element(By.ID, 'username')
    username.send_keys(user.get('username'))
    email = selenium.find_element(By.ID, 'email')
    email.send_keys(user.get('email'))
    password = selenium.find_element(By.ID, 'password')
    password.send_keys(user.get('password'))
    accepted_policy = selenium.find_element(By.ID, 'accepted_policy')
    accepted_policy.click()
    submit_button = selenium.find_element(By.TAG_NAME, 'button')
    submit_button.click()


def login(selenium, user):
    selenium.get(f'{TEST_URL}/login')
    selenium.implicitly_wait(1)
    email = selenium.find_element(By.ID, 'email')
    email.send_keys(user.get('email'))
    password = selenium.find_element(By.ID, 'password')
    password.send_keys(user.get('password'))
    submit_button = selenium.find_element(By.TAG_NAME, 'button')
    submit_button.click()


def register_valid_user(selenium):
    user_name = random_string()
    user = {
        'username': user_name,
        'email': f'{user_name}@example.com',
        'password': 'p@ssw0rd',
    }
    register(selenium, user)
    WebDriverWait(selenium, 30).until(EC.url_changes(f"{TEST_URL}/register"))
    confirm_account(selenium, user)
    return user


def register_valid_user_and_logout(selenium):
    user = register_valid_user(selenium)
    user_menu = selenium.find_element(By.CLASS_NAME, 'nav-items-user-menu')
    logout_link = user_menu.find_elements(By.CLASS_NAME, 'nav-item')[2]
    logout_link.click()
    return user


def confirm_account(selenium, user):
    time.sleep(1)
    response = requests.get(
        f"{EMAIL_API_URL}/api/v2/search?kind=to&query={user['email']}"
    )
    response.raise_for_status()
    results = response.json()
    message = results['items'][0]['Content']['Body']
    link = re.search(r'Verify your email: (.+?)\r\n', message).groups()[0]
    link = link.replace('http://0.0.0.0:5000', TEST_URL)
    selenium.get(link)
    WebDriverWait(selenium, 15).until(EC.url_changes(link))


def login_valid_user(selenium, user):
    login(selenium, user)
    WebDriverWait(selenium, 10).until(EC.url_changes(f"{TEST_URL}/login"))
    return user