"""
Order Manager
주문 실행·취소·조회 전담 모듈
"""
from typing import Dict, Any, Optional
import logging

from app.trading.kis_client import kis_client

logger = logging.getLogger(__name__)


class OrderManager:
    """주문 실행 관리자"""

    def __init__(self, client=None):
        self.client = client or kis_client

    async def place_order(
        self,
        stock_code: str,
        order_type: str,  # "BUY" or "SELL"
        quantity: int,
        price: Optional[float] = None  # None = 시장가
    ) -> Dict[str, Any]:
        """주문 실행"""
        try:
            account_number_prefix = self.client.account_number[:8]
            account_number_suffix = self.client.account_number[8:]
            
            is_virtual = "vts" in self.client.base_url.lower()
            
            if order_type == "BUY":
                tr_id = "VTTC0802U" if is_virtual else "TTTC0802U"
            else:
                tr_id = "VTTC0801U" if is_virtual else "TTTC0801U"
            
            order_dvsn = "01" if price is None else "00"
            order_price = "0" if price is None else str(int(price))
            
            logger.info(f"📤 주문: {order_type} {stock_code} {quantity}주 @{order_price}")
            
            result, _ = await self.client.request(
                "POST",
                "/uapi/domestic-stock/v1/trading/order-cash",
                tr_id,
                json={
                    "CANO": account_number_prefix,
                    "ACNT_PRDT_CD": account_number_suffix,
                    "PDNO": stock_code,
                    "ORD_DVSN": order_dvsn,
                    "ORD_QTY": str(quantity),
                    "ORD_UNPR": order_price
                }
            )
            
            logger.info(f"📥 주문 응답: rt_cd={result.get('rt_cd')}, odno={result.get('odno')}")
            return result
        except Exception as e:
            logger.error(f"❌ 주문 실패: {e}")
            return {"rt_cd": "-1", "msg1": str(e), "odno": None}

    async def cancel_order(self, order_id: str, quantity: int) -> Dict[str, Any]:
        """주문 취소"""
        try:
            account_number_prefix = self.client.account_number[:8]
            account_number_suffix = self.client.account_number[8:]
            
            is_virtual = "vts" in self.client.base_url.lower()
            tr_id = "VTTC0803U" if is_virtual else "TTTC0803U"
            
            result, _ = await self.client.request(
                "POST",
                "/uapi/domestic-stock/v1/trading/order-rvsecncl",
                tr_id,
                json={
                    "CANO": account_number_prefix,
                    "ACNT_PRDT_CD": account_number_suffix,
                    "KRX_FWDG_ORD_ORGNO": "",
                    "ORGN_ODNO": order_id,
                    "ORD_DVSN": "00",
                    "RVSE_CNCL_DVSN_CD": "02",
                    "ORD_QTY": "0",
                    "ORD_UNPR": "0",
                    "QTY_ALL_ORD_YN": "Y"
                }
            )
            return result
        except Exception as e:
            logger.error(f"❌ 취소 실패: {e}")
            raise

    async def get_balance(self) -> Dict[str, Any]:
        """계좌 잔고 조회"""
        try:
            account_number_prefix = self.client.account_number[:8]
            account_number_suffix = self.client.account_number[8:]
            
            is_virtual = "vts" in self.client.base_url.lower()
            tr_id = "VTTC8434R" if is_virtual else "TTTC8434R"
            
            result, _ = await self.client.request(
                "GET",
                "/uapi/domestic-stock/v1/trading/inquire-balance",
                tr_id,
                params={
                    "CANO": account_number_prefix,
                    "ACNT_PRDT_CD": account_number_suffix,
                    "AFHR_FLPR_YN": "N",
                    "OFL_YN": "",
                    "INQR_DVSN": "02",
                    "UNPR_DVSN": "01",
                    "FUND_STTL_ICLD_YN": "N",
                    "FNCG_AMT_AUTO_RDPT_YN": "N",
                    "PRCS_DVSN": "01",
                    "CTX_AREA_FK100": "",
                    "CTX_AREA_NK100": ""
                }
            )
            return result
        except Exception as e:
            logger.error(f"❌ 잔고 조회 실패: {e}")
            raise

    async def place_overseas_order(
        self,
        symbol: str,
        order_type: str,
        quantity: int,
        price: float,
        exchange_code: str = "NASD"
    ) -> Dict[str, Any]:
        """해외주식 주문"""
        try:
            account_number_prefix = self.client.account_number[:8]
            account_number_suffix = self.client.account_number[8:]
            
            is_virtual = "vts" in self.client.base_url.lower()
            
            if order_type == "BUY":
                tr_id = "VTTT1002U" if is_virtual else "TTTT1002U"
            else:
                tr_id = "VTTT1006U" if is_virtual else "TTTT1006U"
            
            result, _ = await self.client.request(
                "POST",
                "/uapi/overseas-stock/v1/trading/order",
                tr_id,
                json={
                    "CANO": account_number_prefix,
                    "ACNT_PRDT_CD": account_number_suffix,
                    "OVRS_EXCG_CD": exchange_code.upper(),
                    "PDNO": symbol.upper(),
                    "ORD_QTY": str(quantity),
                    "OVRS_ORD_UNPR": str(price),
                    "ORD_SVR_DVSN_CD": "0",
                    "ORD_DVSN": "00"
                }
            )
            return result
        except Exception as e:
            logger.error(f"❌ 해외주식 주문 실패: {e}")
            raise

    async def get_overseas_balance(self) -> Dict[str, Any]:
        """해외주식 잔고 조회"""
        try:
            account_number_prefix = self.client.account_number[:8]
            account_number_suffix = self.client.account_number[8:]

            is_virtual = "vts" in self.client.base_url.lower()
            tr_id = "VTTS3012R" if is_virtual else "TTTS3012R"

            result, _ = await self.client.request(
                "GET",
                "/uapi/overseas-stock/v1/trading/inquire-balance",
                tr_id,
                params={
                    "CANO": account_number_prefix,
                    "ACNT_PRDT_CD": account_number_suffix,
                    "OVRS_EXCG_CD": "NASD",
                    "TR_CRCY_CD": "USD",
                    "CTX_AREA_FK200": "",
                    "CTX_AREA_NK200": "",
                }
            )
            return result
        except Exception as e:
            logger.error(f"❌ 해외주식 잔고 조회 실패: {e}")
            return {}


# 싱글톤
order_manager = OrderManager()