"""
系统路由
提供健康检查、系统信息等接口
"""
from fastapi import APIRouter, Depends
from datetime import datetime
import sys
import time
import logging

from ..models import HealthResponse, SystemInfo
from ..deps import get_vn_service

logger = logging.getLogger(__name__)

router = APIRouter()


@router.get("/health", response_model=HealthResponse)
async def health_check():
    """
    健康检查端点

    返回 API 服务状态
    """
    return HealthResponse(
        status="healthy",
        service="Sanguo VeighNa Web API",
        version="1.0.0",
        timestamp=datetime.utcnow()
    )


@router.get("/info", response_model=SystemInfo)
async def get_system_info(vn_service=Depends(get_vn_service)):
    """
    获取系统信息

    包括版本、运行时间、连接状态等
    """
    # 获取连接的网关数量
    gateways = await vn_service.get_connected_gateways()
    connected_count = sum(1 for g in gateways if g["status"] == "connected")

    # 获取策略数量（占位）
    strategy_count = 0

    return SystemInfo(
        version="1.0.0",
        vnpy_version="4.4.0",
        python_version=f"{sys.version_info.major}.{sys.version_info.minor}.{sys.version_info.micro}",
        uptime=time.time(),  # 实际应该记录启动时间
        connected_gateways=connected_count,
        active_strategies=strategy_count
    )


@router.get("/status")
async def get_system_status(vn_service=Depends(get_vn_service)):
    """
    获取详细系统状态

    包括网关、账户、持仓、订单等
    """
    try:
        accounts = await vn_service.get_accounts()
        positions = await vn_service.get_positions()
        orders = await vn_service.get_orders()
        gateways = await vn_service.get_connected_gateways()

        return {
            "status": "running",
            "accounts_count": len(accounts),
            "positions_count": len(positions),
            "orders_count": len(orders),
            "gateways": gateways
        }
    except Exception as e:
        logger.error(f"Error getting system status: {e}")
        return {
            "status": "error",
            "error": str(e)
        }