"""
Login Credentials Value Object - Repräsentiert Login-Daten mit Session-Status
"""

from dataclasses import dataclass
from typing import Optional
from datetime import datetime


@dataclass(frozen=True)
class LoginCredentials:
    """Unveränderliche Login-Daten für einen Account"""
    
    username: str
    password: str
    platform: str
    session_status: str  # ACTIVE, EXPIRED, LOCKED, REQUIRES_2FA, UNKNOWN
    last_successful_login: Optional[datetime] = None
    session_id: Optional[str] = None
    fingerprint_id: Optional[str] = None
    
    def is_session_active(self) -> bool:
        """Prüft ob die Session aktiv ist"""
        return self.session_status == "ACTIVE"
    
    def requires_manual_login(self) -> bool:
        """Prüft ob manueller Login erforderlich ist"""
        return self.session_status in ["EXPIRED", "LOCKED", "REQUIRES_2FA", "UNKNOWN"]
    
    def has_session_data(self) -> bool:
        """Prüft ob Session-Daten vorhanden sind"""
        return self.session_id is not None and self.fingerprint_id is not None
    
    def to_dict(self) -> dict:
        """Konvertiert zu Dictionary für Serialisierung"""
        return {
            'username': self.username,
            'password': self.password,
            'platform': self.platform,
            'session_status': self.session_status,
            'last_successful_login': self.last_successful_login.isoformat() if self.last_successful_login else None,
            'session_id': self.session_id,
            'fingerprint_id': self.fingerprint_id
        }