"""
网关管理路由
处理网关连接、断开、状态查询
"""
from fastapi import APIRouter, Depends, HTTPException, status
from typing import List
import logging

from ..models import GatewayConnectRequest, GatewayDisconnectRequest, GatewayStatus, ApiResponse
from ..deps import get_current_user, get_vn_service

logger = logging.getLogger(__name__)

router = APIRouter()


@router.get("/list", response_model=List[GatewayStatus])
async def list_gateways(
    current_user: dict = Depends(get_current_user),
    vn_service=Depends(get_vn_service)
):
    """
    获取所有可用网关列表

    返回系统支持的所有网关，包括已连接和未连接的网关
    """
    gateways = await vn_service.get_available_gateways()
    return [
        GatewayStatus(
            gateway_name=g["gateway_name"],
            gateway_type=g.get("gateway_type", "unknown"),
            status=g.get("status", "disconnected")
        )
        for g in gateways
    ]


@router.get("/{name}/setting")
async def get_gateway_setting(
    name: str,
    current_user: dict = Depends(get_current_user),
    vn_service=Depends(get_vn_service)
):
    """
    获取网关配置模板

    返回指定网关的配置模板，用于前端生成配置表单
    """
    setting = await vn_service.get_gateway_setting(name)
    return {
        "gateway_name": name,
        "setting": setting
    }


@router.get("/{name}/status")
async def get_gateway_status(
    name: str,
    current_user: dict = Depends(get_current_user),
    vn_service=Depends(get_vn_service)
):
    """
    获取网关连接状态

    返回指定网关的连接状态
    """
    status_info = await vn_service.get_gateway_status(name)
    return status_info


@router.post("/{name}/connect")
async def connect_gateway(
    name: str,
    request: GatewayConnectRequest,
    current_user: dict = Depends(get_current_user),
    vn_service=Depends(get_vn_service)
):
    """
    连接网关

    - **gateway_name**: 网关名称
    - **gateway_type**: 网关类型 (ctp, ib, okx, binance)
    - **setting**: 网关配置参数
    """
    success = await vn_service.connect_gateway(
        gateway_name=request.gateway_name,
        gateway_type=request.gateway_type.value,
        setting=request.setting
    )

    if success:
        return ApiResponse(
            success=True,
            message=f"Gateway {request.gateway_name} is connecting"
        )
    else:
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            detail=f"Failed to connect gateway {request.gateway_name}"
        )


@router.post("/{name}/disconnect")
async def disconnect_gateway(
    name: str,
    current_user: dict = Depends(get_current_user),
    vn_service=Depends(get_vn_service)
):
    """
    断开网关

    - **name**: 网关名称
    """
    success = await vn_service.disconnect_gateway(name)

    if success:
        return ApiResponse(
            success=True,
            message=f"Gateway {name} disconnected successfully"
        )
    else:
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            detail=f"Failed to disconnect gateway {name}"
        )