from __future__ import annotations

import os
import asyncio
from typing import Any
import requests

from .observability import activity_event

DEFAULT_TRANSFER_GROUP = os.getenv("TRANSFER_GROUP_ID", "20252916034").strip() or "20252916034"
DEFAULT_TRANSFER_ASSIGNEE = os.getenv("TRANSFER_ASSIGNED_TO", "").strip()
DISPATCH_BASE_URL = os.getenv("DISPATCH_BASE_URL", "http://1.12.50.92:8006").strip().rstrip("/")
DISPATCH_API_KEY = os.getenv("DISPATCH_API_KEY", "tuhui_dispatch_key_2026").strip()
DISPATCH_TIMEOUT_SECONDS = float(os.getenv("DISPATCH_TIMEOUT_SECONDS", "5"))


def _dispatch_assign_once() -> dict[str, Any]:
    if not DISPATCH_BASE_URL or not DISPATCH_API_KEY:
        return {"success": False, "reason": "dispatch_config_missing"}
    try:
        resp = requests.get(
            f"{DISPATCH_BASE_URL}/assign",
            headers={"X-API-Key": DISPATCH_API_KEY},
            timeout=DISPATCH_TIMEOUT_SECONDS,
        )
        if resp.status_code != 200:
            return {"success": False, "reason": f"http_{resp.status_code}"}
        data = resp.json() if resp.text else {}
        return {
            "success": bool(data.get("success", False)),
            "task_id": str(data.get("task_id", "") or ""),
            "assigned_to": str(data.get("assigned_to", "") or ""),
            "online_count": int(data.get("online_count", 0) or 0),
            "raw": data,
        }
    except Exception as e:
        return {"success": False, "reason": str(e)}


async def transfer_to_human_flow(client, data: dict[str, Any], transfer_msg: str = "", trace_id: str = "-") -> tuple[bool, str]:
    """
    真实转人工：发送千牛转接命令，不走AI文本压缩逻辑。
    """
    if not client.websocket:
        return False, "websocket_not_connected"

    acc_id = str(data.get("acc_id", "") or "")
    from_id = str(data.get("from_id", "") or "")
    from_name = str(data.get("from_name", from_id) or from_id)
    acc_type = str(data.get("acc_type", "AliWorkbench") or "AliWorkbench")

    dispatch_res = await asyncio.to_thread(_dispatch_assign_once)
    assignee = str(dispatch_res.get("assigned_to", "") or "").strip() or DEFAULT_TRANSFER_ASSIGNEE
    activity_event(
        client.logger,
        "dispatch_assign",
        trace_id=trace_id,
        customer_id=from_id or "-",
        success=bool(dispatch_res.get("success")),
        assigned_to=assignee,
        online_count=int(dispatch_res.get("online_count", 0) or 0),
        reason=str(dispatch_res.get("reason", "") or ""),
    )
    if assignee:
        cmd = f"正在为你转接人工|[转移会话],{assignee},无原因"
        target = assignee
    else:
        cmd = f"话术|[转移会话],分组{DEFAULT_TRANSFER_GROUP},无原因"
        target = f"分组{DEFAULT_TRANSFER_GROUP}"

    msg = {
        "msg_id": "",
        "acc_id": acc_id,
        "msg": cmd,
        "from_id": from_id,
        "from_name": from_name,
        "cy_id": from_id,
        "acc_type": acc_type,
        "msg_type": 0,
        "cy_name": from_name,
    }
    await client.send_message(msg)
    activity_event(
        client.logger,
        "transfer_command_sent",
        trace_id=trace_id,
        customer_id=from_id or "-",
        target=target,
        transfer_msg=(transfer_msg or ""),
    )
    return True, target