import requests

LOGIN_URL = "http://localhost:7777/user/login"
EDIT_MILESTONE_URL = "http://localhost:7777/setyotontowi/experiments/milestones/1/edit"
session = requests.Session()

USERNAME = "setyotontowi"
PASSWORD = "nasipadang"

def login():
    """Log in and store session cookies."""
    print("Logging in...")
    payload = {
        "user_name": USERNAME,
        "password": PASSWORD
    }
    response = session.post(LOGIN_URL, data=payload)
    if response.status_code == 200:
        print("Login successful.")
        return True
    else:
        print(f"Login failed: {response.status_code} - {response.text}")
        return False

def get_csrf_token():
    """Fetch CSRF token from the edit milestone page."""
    print("Fetching CSRF token...")
    response = session.get(EDIT_MILESTONE_URL)
    if response.status_code == 200:
        token = extract_csrf_token(response.text)
        if token:
            print(f"CSRF token obtained: {token}")
            return token
        else:
            print("Failed to extract CSRF token.")
            return None
    elif response.status_code == 401:  # Unauthorized → Need to re-login
        print("Session expired, re-logging in...")
        return None
    else:
        print(f"Failed to get CSRF token: {response.status_code} - {response.text}")
        return None

def extract_csrf_token(html):
    """Extract CSRF token from HTML using regex."""
    import re
    match = re.search(r'name="_csrf" value="(.*?)"', html)
    if match:
        return match.group(1)
    return None