"""
心跳管理 API 路由
接入 HeartbeatService 服务，监控 Agent 活跃状态
"""
from fastapi import APIRouter
from pydantic import BaseModel
from typing import Optional

from ..services.heartbeat import get_heartbeat_service

router = APIRouter()


class HeartbeatUpdate(BaseModel):
    status: str = "idle"
    current_task: Optional[str] = ""
    progress: Optional[int] = 0


@router.get("")
@router.get("/")
async def list_heartbeats():
    """获取所有 Agent 心跳"""
    service = get_heartbeat_service()
    all_hb = await service.get_all_heartbeats()
    heartbeats = {}
    for agent_id, hb in all_hb.items():
        heartbeats[agent_id] = {
            "agent_id": hb.agent_id,
            "last_heartbeat": hb.last_heartbeat,
            "status": hb.status,
            "current_task": hb.current_task,
            "progress": hb.progress,
            "elapsed_display": hb.elapsed_display,
            "is_timeout": hb.is_timeout()
        }
    return {"heartbeats": heartbeats}


@router.post("/{agent_id}")
async def update_heartbeat(agent_id: str, data: HeartbeatUpdate = None):
    """更新 Agent 心跳"""
    service = get_heartbeat_service()
    if data is None:
        data = HeartbeatUpdate()
    await service.update_heartbeat(
        agent_id=agent_id,
        status=data.status,
        current_task=data.current_task or "",
        progress=data.progress or 0
    )
    return {"success": True}


@router.get("/timeouts")
async def check_timeouts(timeout_seconds: int = 60):
    """检查超时的 Agent"""
    service = get_heartbeat_service()
    timeout_agents = await service.check_timeout(timeout_seconds)
    return {
        "timeout_seconds": timeout_seconds,
        "timeout_agents": timeout_agents,
        "count": len(timeout_agents)
    }