"""
텔레그램 카드 메시지 포맷터.

매수/매도, 계좌, 종목명, 가격 4개를 ▶ 마커 + *bold* (텔레그램 Markdown)로 하이라이트.
시장가일 때 호가창 + 평균체결가 + 슬리피지% 표시.
PIN 메시지는 PIN 만 단독 — 메타 정보 일체 없음.
가희 계좌는 카드 헤더에 🔐 마커 추가.
"""

from __future__ import annotations

import json
from pathlib import Path
from typing import Optional

LIMITS_FILE = Path(__file__).resolve().parent / 'limits.json'

ACCOUNT_DISPLAY = {
    '일반': '본인 일반',
    'ISA': '본인 ISA',
    '가희_일반': '가희 일반',
    '가희_ISA': '가희 ISA',
}


def _limits() -> dict:
    return json.loads(LIMITS_FILE.read_text(encoding='utf-8'))


def _is_spouse(account: str) -> bool:
    return account in _limits()['spouse_accounts']


def _account_display(account: str) -> str:
    return ACCOUNT_DISPLAY.get(account, account)


def _md_bold(s: str) -> str:
    return f'*{s}*'


def _money(n) -> str:
    return f'{int(n):,}원'


def _pct(p: float, digits: int = 2) -> str:
    if abs(p) < 10 ** -digits:
        p = 0.0
    sign = '+' if p > 0 else ''
    return f'{sign}{p:.{digits}f}%'


def format_card(request: dict, market_data: dict, card_id: str,
                estimate: Optional[dict] = None,
                budget_conversion: Optional[dict] = None,
                state_warning: Optional[str] = None,
                amended: bool = False) -> str:
    cfg = _limits()['card']
    side = request['side']
    side_word = '매수' if side == 'BUY' else '매도'
    side_emoji = cfg['buy_emoji'] if side == 'BUY' else cfg['sell_emoji']
    marker = cfg['highlight_marker']
    spouse_marker = ' 🔐 가희 계좌' if _is_spouse(request['account']) else ''
    type_marker = ''
    if request['order_type'] == 'MARKET':
        type_marker = f' {cfg["warning_emoji"]} 시장가'
    elif request['order_type'] == 'AGGRESSIVE_LIMIT':
        type_marker = f' {cfg["warning_emoji"]} 공격적 지정가'
    amend_marker = ' ✏️ 수정됨' if amended else ''

    lines = [f'{side_emoji} {_md_bold(side_word + " 미리보기")} [#{card_id}]{type_marker}{spouse_marker}{amend_marker}', '']

    lines.append(f'{marker} {_md_bold(side_word)}')
    lines.append(f'{marker} 계좌: {_md_bold(_account_display(request["account"]))}')
    symbol_name = request.get('symbol_name', request['symbol'])
    lines.append(f'{marker} 종목: {_md_bold(symbol_name)} ({request["symbol"]})')
    if state_warning:
        lines.append(state_warning)

    if request['order_type'] == 'LIMIT':
        price_part = _md_bold(_money(request['price']))
        if market_data.get('prev_close'):
            ratio = (request['price'] - market_data['prev_close']) / market_data['prev_close'] * 100
            price_part += f' (전일종가 {_pct(ratio)})'
        lines.append(f'{marker} 가격: {price_part}')
    elif request['order_type'] == 'MARKET':
        lines.append(f'{marker} 가격: {_md_bold("시장가")}')
    else:
        if estimate and 'aggressive_price' in estimate:
            tail = '최우선호가+1틱'
            if estimate.get('source') == 'fallback':
                now_dt = market_data.get('now')
                tm = now_dt.strftime('%H:%M') if now_dt else ''
                tm_part = f' {tm}' if tm else ''
                tail = f'호가창 비어 현재가{tm_part} +1틱'
            lines.append(f'{marker} 가격: {_md_bold(_money(estimate["aggressive_price"]))} ({tail})')
        else:
            lines.append(f'{marker} 가격: {_md_bold("최우선호가+1틱")}')

    lines.append('')
    qty_line = f'수량: {request["qty"]:,}주'
    if budget_conversion:
        if budget_conversion.get('source') == 'fallback':
            now_dt = market_data.get('now')
            tm = now_dt.strftime('%H:%M') if now_dt else ''
            tm_part = f' {tm}' if tm else ''
            ref_label = f'호가창 비어 현재가{tm_part}'
        else:
            ref_label = '매도1호가' if side == 'BUY' else '매수1호가'
        rem = budget_conversion['remainder']
        if budget_conversion.get('bumped'):
            rem_part = f'1주 추가 매수, 초과액 {_money(abs(rem))}'
        else:
            rem_part = f'잔액 {_money(rem)}'
        qty_line += (f' (예산 {_money(budget_conversion["budget"])} → '
                     f'{ref_label} {_money(budget_conversion["ref_price"])} 기준 환산, '
                     f'{rem_part})')
    lines.append(qty_line)

    if request['order_type'] == 'MARKET':
        lines.append(f'현재가: {_money(market_data["current_price"])}')
        ob = market_data.get('orderbook') or {}
        levels = (ob.get('asks' if side == 'BUY' else 'bids') or [])[:cfg['orderbook_depth']]
        label = '매도' if side == 'BUY' else '매수'
        for i, lvl in enumerate(levels, 1):
            lines.append(f'{label}{i}호가: {_money(lvl["price"])} (잔량 {lvl["qty"]:,}주)')
        if estimate:
            lines.append('')
            money_label = '예상 금액' if side == 'BUY' else '예상 회수'
            lines.append(f'예상 평균체결가: {_money(estimate["avg_fill"])}')
            lines.append(f'{money_label}: 약 {_money(estimate["total_won"])}')
            lines.append(f'예상 슬리피지: {_pct(estimate["slippage_pct"], 3)}')
    else:
        price = request.get('price') or (estimate and estimate.get('aggressive_price'))
        if price:
            money_label = '예상 금액' if side == 'BUY' else '예상 회수'
            lines.append(f'{money_label}: {_money(price * request["qty"])}')

    if cfg['show_balance_ratio']:
        if side == 'BUY' and market_data.get('balance_d2') is not None:
            balance = market_data['balance_d2']
            need = (estimate['total_won'] if estimate and request['order_type'] == 'MARKET'
                    else (request.get('price') or (estimate and estimate.get('aggressive_price')) or 0) * request['qty'])
            if balance and need:
                ratio = need / balance * 100
                lines.append(f'매수가능금액: {_money(balance)} (잔고대비 {ratio:.1f}%)')
            else:
                lines.append(f'매수가능금액: {_money(balance)}')
        if side == 'SELL' and market_data.get('position_qty') is not None:
            lines.append(f'보유수량: {market_data["position_qty"]:,}주')

    lines.append(f'{_limits()["pin"]["expiry_seconds"]}초 후 만료')
    return '\n'.join(lines)


def format_pin_message(pin: str) -> str:
    return pin


def format_filled(card_id: str, side: str, symbol_name: str, qty: int,
                  fill_price: int, ord_no: str, remaining_balance: Optional[int] = None) -> str:
    side_word = '매수' if side == 'BUY' else '매도'
    out = [f'✅ [#{card_id}] 체결: {symbol_name} {qty:,}주 @ {_money(fill_price)} ({side_word})',
           f'주문번호: {ord_no}']
    if remaining_balance is not None:
        out.append(f'잔여 예수금: {_money(remaining_balance)}')
    return '\n'.join(out)


def format_submitted(card_id: str, side: str, symbol_name: str, qty: int,
                     price: Optional[int], ord_no: str) -> str:
    side_word = '매수' if side == 'BUY' else '매도'
    price_str = _money(price) if price else '시장가'
    return f'📨 [#{card_id}] {side_word} 접수: {symbol_name} {qty:,}주 @ {price_str}\n주문번호: {ord_no}'


def format_expired(card_id: str, side: str) -> str:
    side_word = '매수' if side == 'BUY' else '매도'
    return f'⏱️ [#{card_id}] 승인 만료. {side_word}가 취소되었습니다.'


def format_canceled(card_id: str, side: str) -> str:
    side_word = '매수' if side == 'BUY' else '매도'
    return f'❌ [#{card_id}] {side_word} 취소되었습니다.'


def format_pin_mismatch(card_id: str) -> str:
    return f'❌ [#{card_id}] PIN 불일치. 카드 무효. 다시 신호 보내주세요.'


def format_partial(card_id: str, side: str, symbol_name: str,
                   cntr_qty: int, order_qty: int, fill_price: int, ord_no: str) -> str:
    side_word = '매수' if side == 'BUY' else '매도'
    return (f'🟡 [#{card_id}] {side_word} 부분체결: {symbol_name} '
            f'{cntr_qty:,}/{order_qty:,}주 @ {_money(fill_price)}\n주문번호: {ord_no}')


def format_broker_post_reject(card_id: str, side: str, symbol_name: str,
                               ord_no: str, mdfy_cncl: str) -> str:
    side_word = '매수' if side == 'BUY' else '매도'
    return (f'❌ [#{card_id}] {side_word} 사후거절({mdfy_cncl}): {symbol_name}\n주문번호: {ord_no}')


def format_unfilled_timeout(card_id: str, side: str, symbol_name: str,
                             cntr_qty: int, order_qty: int, ord_no: str) -> str:
    side_word = '매수' if side == 'BUY' else '매도'
    if cntr_qty == 0:
        head = f'⏱️ [#{card_id}] {side_word} 30분째 미체결: {symbol_name} 0/{order_qty:,}주'
    else:
        head = (f'⏱️ [#{card_id}] {side_word} 30분 추적 종료 (부분체결): '
                f'{symbol_name} {cntr_qty:,}/{order_qty:,}주')
    return (f'{head}\n주문번호: {ord_no}\n'
            f'필요 시 키움 직접 정정/취소 또는 추가 추적 명령')


def format_cancel_confirmed(side: str, symbol_name: str, orig_ord_no: str,
                              new_ord_no: str, cancel_qty: int) -> str:
    side_word = '매수' if side == 'BUY' else ('매도' if side == 'SELL' else side)
    return (f'✅ {side_word} 취소 확인: {symbol_name} {cancel_qty:,}주 취소됨\n'
            f'원주문: {orig_ord_no} / 취소주문: {new_ord_no}')


def format_cancel_unconfirmed_timeout(side: str, symbol_name: str,
                                        orig_ord_no: str, new_ord_no: str) -> str:
    side_word = '매수' if side == 'BUY' else ('매도' if side == 'SELL' else side)
    return (f'⏱️ {side_word} 취소 30분째 미확인: {symbol_name}\n'
            f'원주문: {orig_ord_no} / 취소주문: {new_ord_no}\n'
            f'키움에서 직접 확인 필요')


def format_rejected(code: str, message: str) -> str:
    return f'⛔ 거부 [{code}]: {message}'


def format_sidecar_blocked() -> str:
    return '🚫 매매 비활성화 상태. /orders_on 으로 재개하세요.'


def format_card_locked(active: Optional[dict] = None) -> str:
    header = '⏳ 이전 카드가 아직 활성 — 처리 후 다시 신호 주세요.'
    if not active:
        return header

    side_word = '매수' if active.get('side') == 'BUY' else '매도'
    account = _account_display(active.get('account', ''))
    name = active.get('symbol_name') or active.get('symbol') or ''
    qty = active.get('qty')
    order_type = active.get('order_type')
    price = active.get('price')
    if order_type == 'MARKET':
        price_str = '시장가'
    elif order_type == 'AGGRESSIVE_LIMIT':
        price_str = f'공격적 지정가 {_money(price)}' if price else '공격적 지정가'
    else:
        price_str = _money(price) if price is not None else '지정가'

    qty_str = f'{qty}주' if qty is not None else ''
    desc = ' · '.join(p for p in [account, side_word, f'{name} {qty_str}'.strip(), price_str] if p)

    expires_in = int(active.get('expires_in') or 0)
    return '\n'.join([
        header,
        f'  [#{active.get("card_id", "?")}] {desc}',
        f'  남은 시간: {expires_in}초 (또는 /cancel 로 즉시 폐기)',
    ])


def format_dryrun(payload: dict) -> str:
    return '🧪 DRYRUN — 실주문 안 함\n' + json.dumps(payload, ensure_ascii=False, indent=2)