"""企业微信机器人 Webhook 推送（多实例共用）。"""
from __future__ import annotations

import re
from typing import Optional

import requests


def strip_markdown_for_text(content: str) -> str:
    s = str(content or "")
    s = re.sub(r"\*\*([^*]+)\*\*", r"\1", s)
    s = re.sub(r"`([^`]+)`", r"\1", s)
    s = re.sub(r"^#+\s*", "", s, flags=re.MULTILINE)
    s = re.sub(r"^---\s*$", "", s, flags=re.MULTILINE)
    return s.strip()


def looks_like_wechat_markdown(content: str) -> bool:
    if not content:
        return False
    if re.search(r"^#+\s", content, re.MULTILINE):
        return True
    return "**" in content or "`" in content


def send_wechat_webhook(
    webhook_url: str,
    content: str,
    *,
    timeout: int = 10,
    prefix: str = "【加密货币】",
) -> bool:
    url = (webhook_url or "").strip()
    if not url or "replace-me" in url:
        return False
    body = str(content or "").strip()
    if prefix:
        full = f"{prefix}\n{body}" if body else prefix
    else:
        full = body
    if not full.strip():
        return False

    payloads = []
    if looks_like_wechat_markdown(full):
        payloads.append({"msgtype": "markdown", "markdown": {"content": full}})
    plain = strip_markdown_for_text(full) if looks_like_wechat_markdown(full) else full
    payloads.append({"msgtype": "text", "text": {"content": plain}})

    seen = set()
    for payload in payloads:
        key = payload["msgtype"]
        if key in seen:
            continue
        seen.add(key)
        try:
            resp = requests.post(url, json=payload, timeout=timeout)
            if resp.status_code != 200:
                continue
            data = resp.json()
            if int(data.get("errcode", -1)) == 0:
                return True
        except Exception:
            continue
    return False


def wechat_direction_label(direction: str) -> str:
    d = (direction or "").strip().lower()
    if d == "long":
        return "多头（long）"
    if d == "short":
        return "空头（short）"
    return "双向（watch）"


def build_wechat_rs_level_message(
    *,
    symbol: str,
    monitor_type: str,
    account_label: str,
    trigger_time: str,
    upper_txt: str,
    lower_txt: str,
    close_txt: str,
    edge_txt: str,
    break_label: str,
    direction: str,
    notify_index: int,
    notify_max: int,
    interval_min: int,
    extra_note: Optional[str] = None,
) -> str:
    """阻力/支撑突破提醒（与开平仓推送一致的 emoji 纯文本风格）。"""
    head = "📈" if (direction or "").strip().lower() == "long" else "📉"
    dir_txt = wechat_direction_label(direction)
    lines = [
        f"{head} {symbol} 关键位突破提醒（{notify_index}/{notify_max}）",
        f"💼 账户：{account_label}",
        "",
        "🧾 突破概要",
        f"📌 类型：{monitor_type}",
        f"⏱ 触发时间：{trigger_time}",
        f"📊 上沿：{upper_txt}｜下沿：{lower_txt}",
        f"💹 触发收盘：{close_txt}",
        f"🎯 {break_label}（{dir_txt}）",
        f"📍 突破价位：{edge_txt}",
        "",
        "📎 说明",
        f"· 人工盯盘，共推送 {notify_max} 次（间隔约 {interval_min} 分钟）",
        "· 推送完毕后本条监控自动结案",
        "· 不参与自动开仓",
    ]
    if extra_note:
        lines.append(f"· {extra_note}")
    return "\n".join(lines)