from typing import Optional

from fastapi import APIRouter, Depends
from lover.deps import get_current_user, AuthedUser
from lover.response import success_response

router = APIRouter()

@router.post("/api/huanxin/getToken")
def get_huanxin_token(user: AuthedUser = Depends(get_current_user)):
    """获取环信token"""
    return success_response({
        "token": "mock_huanxin_token_" + str(user.id),
        "expires_in": 3600
    })

@router.post("/api/huanxin/register")
def register_huanxin_user(user: AuthedUser = Depends(get_current_user)):
    """注册环信用户"""
    return success_response({"message": "注册成功"})

@router.post("/api/huanxin/online")
def set_huanxin_online(
    payload: Optional[dict] = None,
    user: AuthedUser = Depends(get_current_user),
):
    """获取环信用户在线状态（兼容前端批量查询）"""
    payload = payload or {}
    user_ids_raw = payload.get("user_ids")

    # 前端好友列表会传入 user_ids=36,40,41，期待返回数组并支持 .find()
    if user_ids_raw:
        ids = []
        for part in str(user_ids_raw).split(","):
            part = part.strip()
            if not part:
                continue
            try:
                ids.append(int(part))
            except ValueError:
                continue

        return success_response([
            {"id": uid, "is_online": False} for uid in ids
        ])

    # 兼容旧调用：不传 user_ids 时，返回当前用户在线信息
    return success_response({"status": "online", "user_id": user.id})

@router.get("/api/huanxin/user_info")
def get_huanxin_user_info(user: AuthedUser = Depends(get_current_user)):
    """获取环信用户信息"""
    return success_response({
        "username": f"user_{user.id}",
        "nickname": user.nickname,
        "avatar": ""
    })