from dataclasses import dataclass
from typing import Optional


@dataclass
class ContactSummary:
    phone: str
    name: str
    mode: str
    secure_state: str
    has_peer_key: bool
    last_message_preview: str = ""


@dataclass
class ContactDetails:
    phone: str
    name: str
    mode: str
    secure_state: str
    peer_fingerprint: Optional[str]
    has_peer_key: bool
    last_secure_at: Optional[str]


@dataclass
class MessageView:
    id: int
    phone: str
    direction: str
    body: str
    mode: str
    transport_state: str
    created_at: str


@dataclass
class SecureEventView:
    created_at: str
    event_type: str
    phone: str
    details: str


@dataclass
class PendingPacketView:
    phone: str
    packet_id: str
    packet_kind: str
    packet_mode: Optional[str]
    received_parts: int
    total_parts: int
    first_seen: str