"""消息事件定义"""

from __future__ import annotations

import time
from dataclasses import dataclass, field
from typing import Any

from ..models.message import Message


@dataclass
class MessageEvent:
    """一条新消息事件，供外部回调消费"""

    message: Message
    event_time: float = field(default_factory=time.time)
    source: str = "ui_automation"

    def __str__(self) -> str:
        m = self.message
        prefix = "[自己]" if m.is_self else f"[{m.sender}]"
        return f"{m.conversation} {prefix}: {m.content[:80]}"