"""
VPN server management routes
"""
from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.orm import Session
from typing import List

from core.auth import get_current_active_user
from core.database import get_db
from models.user import User
from schemas.vpn import (
    VPNConfigResponse,
    VPNSessionResponse,
    VPNServerStats
)
from services.vpn_service import VPNService

router = APIRouter(
    prefix="/vpn",
    tags=["vpn"],
    responses={404: {"description": "Not found"}}
)

@router.get("/config", response_model=VPNConfigResponse)
async def get_vpn_config(
    current_user: User = Depends(get_current_active_user),
    db: Session = Depends(get_db)
):
    """Get VPN configuration for current user"""
    vpn_service = VPNService(db)
    return await vpn_service.get_user_config(current_user.id)

@router.get("/sessions", response_model=List[VPNSessionResponse])
async def get_vpn_sessions(
    current_user: User = Depends(get_current_active_user),
    db: Session = Depends(get_db)
):
    """Get active VPN sessions for current user"""
    vpn_service = VPNService(db)
    return await vpn_service.get_user_sessions(current_user.id)

@router.get("/stats", response_model=VPNServerStats)
async def get_vpn_stats(
    current_user: User = Depends(get_current_active_user),
    db: Session = Depends(get_db)
):
    """Get VPN usage statistics for current user"""
    vpn_service = VPNService(db)
    return await vpn_service.get_user_stats(current_user.id)

@router.post("/disconnect/{session_id}")
async def disconnect_vpn_session(
    session_id: str,
    current_user: User = Depends(get_current_active_user),
    db: Session = Depends(get_db)
):
    """Disconnect a specific VPN session"""
    vpn_service = VPNService(db)
    success = await vpn_service.disconnect_session(session_id, current_user.id)
    
    if not success:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail="Session not found or already disconnected"
        )
    
    return {"status": "success", "message": "Session disconnected"}