"""AI获客 - 客户咨询接口"""
from fastapi import APIRouter, HTTPException
from pydantic import BaseModel
import json, os, datetime, urllib.request

router = APIRouter(prefix="/api/cma/lead", tags=["AI获客"])

# 客户咨询通知唯一通道：系统总线中继 8660 → 任总 DM。
# 2026-10-22 起取代旧的 ai-cs routing-live.py（该 profile/user 已下线，runuser 必然失败且异常被吞，
# 导致线索静默丢失通知）。中继类别按契约取 fallback（无会话兜底），company 类被中继直接拒绝。
BUS_RELAY_URL = "http://127.0.0.1:8660/bus/send"
BUS_KEY_FILE = "/srv/hermes/shared/.secrets/bus_relay.key"
BOSS_USERID = "200653946"  # 任富海
NOTIFY_LOG = "/root/leads/notify.log"

class LeadRequest(BaseModel):
    name: str
    phone: str
    requirement: str = ""
    source: str = "sxbh.ltd"

def _log_notify(ok, detail):
    """通知结果落痕（旧实现 except: pass 静默吞异常，导致线索漏通知无人知晓）"""
    try:
        os.makedirs(os.path.dirname(NOTIFY_LOG), exist_ok=True)
        with open(NOTIFY_LOG, "a", encoding="utf-8") as f:
            f.write("%s %s %s\n" % (datetime.datetime.now().isoformat(timespec="seconds"),
                                    "OK" if ok else "FAIL", detail))
    except Exception:
        pass


def notify_boss(name, phone, requirement):
    """客户咨询通知：经系统总线中继 8660 推任总 DM。失败不阻断主流程，但必须留痕。"""
    now = datetime.datetime.now().strftime("%Y-%m-%d %H:%M")
    content = (
        "## 新客户咨询（sxbh.ltd 官网）\n"
        f"> 姓名：{name}\n"
        f"> 电话：{phone}\n"
        f"> 需求：{requirement or '（未填）'}\n"
        f"> 时间：{now}\n\n"
        "承诺 30 分钟内联系。"
    )
    try:
        with open(BUS_KEY_FILE, encoding="utf-8") as f:
            key = f.read().strip()
        if not key:
            raise RuntimeError("bus key empty")
        payload = json.dumps({
            "touser": BOSS_USERID,
            "msgtype": "markdown",
            "content": content,
            "notice_class": "fallback",
        }, ensure_ascii=False).encode("utf-8")
        req = urllib.request.Request(
            BUS_RELAY_URL, data=payload,
            headers={"Content-Type": "application/json",
                     "X-API-Key": key,
                     "X-Notice-Class": "fallback"},
            method="POST",
        )
        with urllib.request.urlopen(req, timeout=10) as resp:
            body = resp.read().decode("utf-8", "ignore")[:300]
        _log_notify(True, body)
        return True
    except Exception as e:
        _log_notify(False, "%s: %s" % (type(e).__name__, e))
        return False

@router.post("")
def create_lead(data: LeadRequest):
    """接收客户咨询并保存"""
    record = data.model_dump()
    record["timestamp"] = datetime.datetime.now().isoformat()
    record["status"] = "new"
    
    log_dir = "/root/leads"
    os.makedirs(log_dir, exist_ok=True)
    with open(f"{log_dir}/leads.json", "a") as f:
        f.write(json.dumps(record, ensure_ascii=False) + "\n")
    
    # 客户咨询通知唯一通道：推任总 DM（经 ai-cs 分流）；不再推 8800 全员群
    # （2026-10-22 裁定：8800 仅限内容类群发，客户线索含个人信息，不得进全员群）
    notify_boss(data.name, data.phone, data.requirement)
    
    return {"success": True, "message": "咨询已提交，我们将在30分钟内联系您"}