from fastapi import APIRouter, Query, HTTPException
from typing import Optional
from app.services.bybit_service import get_bybit_client
import json
import os

router = APIRouter()

ACCOUNTS_FILE = os.path.join(os.path.dirname(__file__), '../../accounts.json')

def get_user_api(user_id: str):
    try:
        with open(ACCOUNTS_FILE, 'r', encoding='utf-8') as f:
            accounts = json.load(f)
        for acc in accounts:
            if acc['id'] == user_id:
                return acc['bybit_api_key'], acc['bybit_api_secret']
    except Exception as e:
        raise HTTPException(status_code=500, detail=f"Lỗi đọc file accounts: {e}")
    raise HTTPException(status_code=404, detail="Không tìm thấy userId")

@router.get("/positions", tags=["Position"])
def get_positions(
    userId: str = Query(..., description="ID của user để lấy API key/secret"),
    symbol: Optional[str] = Query(None, description="Mã giao dịch, ví dụ: BTCUSDT"),
    category: str = Query("linear", description="Loại lệnh: linear (future) hoặc spot")
):
    api_key, api_secret = get_user_api(userId)
    client = get_bybit_client(api_key, api_secret)
    params = {
        "category": category
    }
    if symbol:
        params["symbol"] = symbol
    res = client.get_positions(**params)
    return res