#!/usr/bin/env python3
from __future__ import annotations
import io
import json
import os
import re
import sys
import traceback
import urllib.error
import urllib.request

# 将 stdout 编码设置为 UTF-8，确保 emoji 等字符能正常输出
if hasattr(sys.stdout, "reconfigure"):
    sys.stdout.reconfigure(encoding="utf-8")
else:
    sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8")
sys.stderr = sys.stdout

QUOTE_API_URL = "https://api.mairuiapi.com/hsrl/ssjy/{}/{}"
DEFAULT_LICENCE = "3E81CB37-4BCE-4DAF-B0AC-AEA069A58973"
FALLBACK_TEXT = "股票查询失败，请稍后再试。"

# 防重复标记：5秒内防止同一股票代码被重复查询
_LOCK_FILE = os.path.join(os.path.dirname(__file__), ".stock_lock")
_LOCK_TTL = 5  # 秒


def _acquire_lock(stock_code: str) -> bool:
    """尝试获取锁，成功返回True，失败（被锁定）返回False"""
    import time
    try:
        if os.path.exists(_LOCK_FILE):
            with open(_LOCK_FILE, "r") as f:
                locked_code, lock_time = f.read().strip().split("|")
                lock_time = float(lock_time)
                if locked_code == stock_code and time.time() - lock_time < _LOCK_TTL:
                    return False  # 还在锁定期内，跳过
        with open(_LOCK_FILE, "w") as f:
            f.write(f"{stock_code}|{time.time()}")
    except Exception:
        pass
    return True

# 股票名称 → 代码映射（常用 A 股）
STOCK_NAME_MAP = {
    # 指数
    "上证指数": "000001", "深证成指": "399001", "创业板指": "399006",
    "科创50": "000688", "沪深300": "000300",
    # 白酒
    "贵州茅台": "600519", "五粮液": "000858", "泸州老窖": "000568",
    "洋河股份": "002304", "山西汾酒": "600809", "古井贡酒": "000596",
    # 银行
    "工商银行": "601398", "建设银行": "601939", "农业银行": "601288",
    "中国银行": "601988", "招商银行": "600036", "兴业银行": "601166",
    "平安银行": "000001", "交通银行": "601328", "浦发银行": "600000",
    "中信银行": "601998", "民生银行": "600016",
    # 保险
    "中国平安": "601318", "中国人寿": "601628", "中国太保": "601601",
    "中国人保": "601319", "新华保险": "601336",
    # 证券
    "中信证券": "600030", "东方财富": "300059", "华泰证券": "601688",
    "国泰君安": "601211", "海通证券": "600837", "广发证券": "000776",
    "招商证券": "600999", "申万宏源": "000166",
    # 新能源
    "宁德时代": "300750", "比亚迪": "002594", "隆基绿能": "601012",
    "阳光电源": "300274", "通威股份": "600438", "天齐锂业": "002466",
    "赣锋锂业": "002460", "亿纬锂能": "300014", "华友钴业": "600516",
    # 科技
    "中兴通讯": "000063", "中芯国际": "688981", "海康威视": "002415",
    "浪潮信息": "000977", "韦尔股份": "603501", "北方华创": "002371",
    "紫光国微": "002049", "长电科技": "600584", "中科曙光": "603019",
    # 医药
    "恒瑞医药": "600276", "药明康德": "603259", "迈瑞医疗": "300760",
    "复星医药": "600196", "智飞生物": "300122", "长春高新": "000661",
    "云南白药": "000538", "片仔癀": "600436",
    # 消费
    "美的集团": "000333", "格力电器": "000651", "海尔智家": "600690",
    "伊利股份": "600887", "海天味业": "603288", "牧原股份": "002714",
    "金龙鱼": "300999", "双汇发展": "000895",
    # 地产
    "万科A": "000002", "保利发展": "600048", "招商蛇口": "001979",
    "华润置地": "01109", "碧桂园": "02007",
    # 能源
    "中国石油": "601857", "中国石化": "600028", "中国海油": "600938",
    "中煤能源": "601898", "陕西煤业": "601225", "长江电力": "600900",
    # 通信
    "中国移动": "600941", "中国电信": "601728", "中国联通": "600941",
    # 汽车
    "上汽集团": "600104", "长城汽车": "601633", "长安汽车": "000625",
    "赛力斯": "601127", "江淮汽车": "600418",
    # 军工
    "中航沈飞": "600760", "航发动力": "600893", "中国重工": "601989",
    "中航西飞": "000768", "航天电器": "002025",
    # 互联网
    "腾讯控股": "00700", "阿里巴巴": "09988", "美团": "03690",
    "京东": "09618", "百度": "09888", "网易": "09999",
    "小米集团": "01810",
    # 其他热门
    "京东方A": "000725", "TCL科技": "000100", "顺丰控股": "002352",
    "科大讯飞": "002230", "三一重工": "600031", "万华化学": "600309",
    "中免集团": "601888", "中国中免": "601888", "中国神华": "601088",
    # 体育
    "金陵体育": "300651",
    # 消费电子
    "立讯精密": "002475",
    # 农牧
    "新希望": "000876",
}


def resolve_stock_name(name: str) -> tuple[str, str] | None:
    """通过股票名称查找股票代码，返回 (代码, 名称)
    支持全称匹配和模糊匹配（输入"茅台"也能找到"贵州茅台"）"""
    name = name.strip()
    if not name:
        return None

    # 1. 精确匹配
    if name in STOCK_NAME_MAP:
        return STOCK_NAME_MAP[name], name

    # 2. 模糊匹配：遍历映射，看输入是否是某个股票名称的子串或反之
    candidates = []
    for stock_name, code in STOCK_NAME_MAP.items():
        # 输入是股票名的子串（如"茅台"→"贵州茅台"）
        if name in stock_name:
            candidates.append((stock_name, code))
        # 股票名是输入的子串
        elif stock_name in name:
            candidates.append((stock_name, code))

    if len(candidates) == 1:
        return candidates[0][1], candidates[0][0]
    elif len(candidates) > 1:
        # 多个匹配时选最短的（最精确）
        candidates.sort(key=lambda x: len(x[0]))
        return candidates[0][1], candidates[0][0]

    return None


def normalize_stock_code(code: str) -> str:
    """验证并标准化股票代码（仅保留6位纯数字）"""
    code = code.strip()
    # 去掉可能的前缀（sh/SH/sz/SZ/bj/BJ）
    code = re.sub(r"^(sh|sz|bj)", "", code, flags=re.IGNORECASE)
    if re.match(r"^\d{6}$", code):
        return code
    # 如果传入了完整代码但包含其他字符，尝试提取数字
    digits = re.findall(r"\d", code)
    if len(digits) >= 6:
        return "".join(digits[:6])
    return ""


def get_licence() -> str:
    """获取 licence，优先从环境变量读取"""
    return os.environ.get("STOCK_LICENCE", "").strip() or DEFAULT_LICENCE


def fetch_stock_quote(stock_code: str) -> dict | None:
    """获取股票行情数据并解析为字典"""
    licence = get_licence()
    url = QUOTE_API_URL.format(stock_code, licence)
    try:
        req = urllib.request.Request(url, headers={"User-Agent": "Mozilla/5.0"})
        with urllib.request.urlopen(req, timeout=10) as response:
            payload = json.load(response)
    except (urllib.error.URLError, TimeoutError, json.JSONDecodeError, OSError):
        return None

    # 处理 JSON 数组返回格式 [{}, ...]
    if isinstance(payload, list) and len(payload) > 0:
        payload = payload[0]

    if not isinstance(payload, dict):
        return None

    # 检查接口返回是否包含有效数据
    if "p" not in payload:
        return None

    return payload


def format_stock_message(data: dict, stock_code: str = "", stock_name: str = "") -> str:
    """格式化股票信息为可读文本"""
    p = data.get("p", 0) or 0
    pc = data.get("pc", 0) or 0
    ud = data.get("ud", 0) or 0

    up_icon = "📈" if float(pc) >= 0 else "📉"
    if stock_name:
        title = f"【{stock_name}({stock_code})】"
    elif stock_code:
        title = f"【{stock_code}】"
    else:
        title = "【查询结果】"

    lines = [
        title,
        f"{'=' * 20}",
        f"{up_icon} 当前价：{_fmt(p)}",
        f"📊 涨跌幅：{_fmt(pc)}%",
        f"📊 涨跌额：{_fmt(ud)}",
        f"⬆️  最高：{_fmt(data.get('h'))}",
        f"⬇️  最低：{_fmt(data.get('l'))}",
        f"🔓 今开：{_fmt(data.get('o'))}",
        f"🔒 昨收：{_fmt(data.get('yc'))}",
        f"📈 成交量：{_fmt(data.get('v'))}手",
        f"💰 成交额：{_fmt(data.get('cje'))}",
        f"🔄 换手率：{_fmt(data.get('hs'))}%",
        f"📐 振幅：{_fmt(data.get('zf'))}%",
        f"📊 市盈率：{_fmt(data.get('pe'))}",
        f"📊 市净率：{_fmt(data.get('sjl'))}",
        f"📊 量比：{_fmt(data.get('lb'))}",
        f"⚡ 涨速：{_fmt(data.get('zs'))}%",
        f"⏱ 五分钟涨跌：{_fmt(data.get('fm'))}%",
        f"📅 60日涨跌：{_fmt(data.get('zdf60'))}%",
        f"📅 年初至今：{_fmt(data.get('zdfnc'))}%",
        f"📊 总市值：{_fmt(data.get('sz'))}",
        f"📊 流通市值：{_fmt(data.get('lt'))}",
        f"{'=' * 20}",
        f"更新时间：{data.get('t', '未知')}",
    ]
    return "\n".join(lines)


def _fmt(val) -> str:
    """统一格式化数值，金融数据保留2位小数"""
    if val is None:
        return "0"
    if isinstance(val, (int, float)):
        return f"{val:.2f}"
    return str(val)


def send_text(text: str) -> bool:
    """发送文本消息到微信机器人"""
    robot_port = os.environ.get("ROBOT_WECHAT_CLIENT_PORT", "").strip()
    to_wxid = os.environ.get("ROBOT_FROM_WX_ID", "").strip()
    if not robot_port or not to_wxid:
        return False

    api_url = (
        f"http://127.0.0.1:{robot_port}/api/v1/robot/message/send/text"
    )
    body = json.dumps(
        {
            "to_wxid": to_wxid,
            "content": text,
        }
    ).encode("utf-8")

    request = urllib.request.Request(
        api_url,
        data=body,
        headers={"Content-Type": "application/json"},
        method="POST",
    )

    try:
        with urllib.request.urlopen(request, timeout=10) as response:
            if 200 <= response.status < 300:
                return True
            payload = json.load(response)
    except (urllib.error.URLError, TimeoutError, json.JSONDecodeError):
        return False

    code = payload.get("code")
    return code == 200 or code == 0


def main() -> int:
    args = sys.argv[1:]
    if not args:
        sys.stdout.write("请提供股票代码或名称，例如：python3 stock.py 600519 或 python3 stock.py 贵州茅台\n")
        return 0

    raw = args[0]
    stock_code = ""
    stock_name = ""

    # 第一步：尝试名称映射
    result = resolve_stock_name(raw)
    if result:
        stock_code, stock_name = result
    else:
        # 第二步：尝试数字代码解析
        stock_code = normalize_stock_code(raw)
        if not stock_code and re.search(r"[\u4e00-\u9fff]", raw):
            # 输入包含中文 → 明显是想用名称查，但映射表里没有
            sys.stdout.write(f"未找到「{raw}」对应的股票，请使用股票代码查询，例如 600519\n")
            sys.stdout.write("提示：如需添加新股票名称映射，请联系管理员。\n")
            return 0

    if not stock_code:
        sys.stdout.write(FALLBACK_TEXT)
        sys.stdout.write("\n")
        return 0

    # 防重复：5秒内相同股票不重复查询
    if not _acquire_lock(stock_code):
        return 0

    data = fetch_stock_quote(stock_code)
    if not data:
        sys.stdout.write(FALLBACK_TEXT)
        sys.stdout.write("\n")
        return 0

    message = format_stock_message(data, stock_code, stock_name)
    if send_text(message):
        return 0

    # 发送失败，输出到stdout让宿主机器人捕获
    sys.stdout.write(message)
    sys.stdout.write("\n")
    return 0


if __name__ == "__main__":
    try:
        raise SystemExit(main())
    except SystemExit:
        raise
    except Exception:
        traceback.print_exc(file=sys.stdout)
        raise SystemExit(1)