from typing import Optional
from datetime import datetime
from pydantic import BaseModel
from models.task import TaskStatus, TaskType


class TaskResponse(BaseModel):
    """任务响应模型"""
    id: str
    task_type: TaskType
    software_id: str
    status: TaskStatus
    created_at: datetime
    started_at: Optional[datetime] = None
    completed_at: Optional[datetime] = None
    error_message: Optional[str] = None
    progress: int


class SSEEvent(BaseModel):
    """SSE事件模型"""
    event_type: str
    task_id: Optional[str] = None
    software_id: Optional[str] = None
    data: dict