"""查询站点用户数据工具"""

import json
from typing import Optional, Type

from pydantic import BaseModel, Field

from app.agent.tools.base import MoviePilotTool
from app.agent.tools.tags import ToolTag
from app.db.site_oper import SiteOper
from app.log import logger

SITE_USERDATA_DETAIL_PREVIEW_LIMIT = 10


def _preview_list(value, limit: int = SITE_USERDATA_DETAIL_PREVIEW_LIMIT) -> tuple[list, int, bool]:
    """返回列表字段预览，避免做种明细或未读消息一次性撑大工具结果。"""
    items = list(value) if isinstance(value, (list, tuple)) else []
    return items[:limit], len(items), len(items) > limit


class QuerySiteUserdataInput(BaseModel):
    """查询站点用户数据工具的输入参数模型"""

    site_id: int = Field(
        ...,
        description="The ID of the site to query user data for (can be obtained from query_sites tool)",
    )
    workdate: Optional[str] = Field(
        None,
        description="Work date to query (optional, format: 'YYYY-MM-DD', if not specified returns latest data)",
    )


class QuerySiteUserdataTool(MoviePilotTool):
    name: str = "query_site_userdata"
    tags: list[str] = [
        ToolTag.Read,
        ToolTag.Site,
        ToolTag.Admin,
    ]
    description: str = "Query user data for a specific site including username, user level, upload/download statistics, seeding information, bonus points, and other account details. Supports querying data for a specific date or latest data."
    require_admin: bool = True
    args_schema: Type[BaseModel] = QuerySiteUserdataInput

    def get_tool_message(self, **kwargs) -> Optional[str]:
        """根据查询参数生成友好的提示消息"""
        site_id = kwargs.get("site_id")
        workdate = kwargs.get("workdate")

        message = f"查询站点 #{site_id} 的用户数据"
        if workdate:
            message += f" (日期: {workdate})"
        else:
            message += " (最新数据)"

        return message

    async def run(self, site_id: int, workdate: Optional[str] = None, **kwargs) -> str:
        logger.info(
            f"执行工具: {self.name}, 参数: site_id={site_id}, workdate={workdate}"
        )

        try:
            site_oper = SiteOper()
            site = await site_oper.async_get(site_id)
            if not site:
                return json.dumps(
                    {"success": False, "message": f"站点不存在: {site_id}"},
                    ensure_ascii=False,
                )

            user_data_list = await site_oper.async_get_userdata_by_domain(
                domain=site.domain, workdate=workdate
            )

            if not user_data_list:
                return json.dumps(
                    {
                        "success": False,
                        "message": f"站点 {site.name} ({site.domain}) 暂无用户数据",
                        "site_id": site_id,
                        "site_name": site.name,
                        "site_domain": site.domain,
                        "workdate": workdate,
                    },
                    ensure_ascii=False,
                )

            # 格式化用户数据
            result = {
                "success": True,
                "site_id": site_id,
                "site_name": site.name,
                "site_domain": site.domain,
                "workdate": workdate,
                "data_count": len(user_data_list),
                "user_data": [],
            }

            for user_data in user_data_list:
                # 格式化上传/下载量（转换为可读格式）
                upload_gb = user_data.upload / (1024**3) if user_data.upload else 0
                download_gb = (
                    user_data.download / (1024**3) if user_data.download else 0
                )
                seeding_size_gb = (
                    user_data.seeding_size / (1024**3)
                    if user_data.seeding_size
                    else 0
                )
                leeching_size_gb = (
                    user_data.leeching_size / (1024**3)
                    if user_data.leeching_size
                    else 0
                )

                seeding_preview, seeding_count, seeding_truncated = _preview_list(
                    user_data.seeding_info
                )
                unread_preview, unread_count, unread_truncated = _preview_list(
                    user_data.message_unread_contents
                )

                user_data_dict = {
                    "domain": user_data.domain,
                    "name": user_data.name,
                    "username": user_data.username,
                    "userid": user_data.userid,
                    "user_level": user_data.user_level,
                    "join_at": user_data.join_at,
                    "bonus": user_data.bonus,
                    "upload": user_data.upload,
                    "upload_gb": round(upload_gb, 2),
                    "download": user_data.download,
                    "download_gb": round(download_gb, 2),
                    "ratio": round(user_data.ratio, 2) if user_data.ratio else 0,
                    "seeding": int(user_data.seeding) if user_data.seeding else 0,
                    "leeching": int(user_data.leeching)
                    if user_data.leeching
                    else 0,
                    "seeding_size": user_data.seeding_size,
                    "seeding_size_gb": round(seeding_size_gb, 2),
                    "leeching_size": user_data.leeching_size,
                    "leeching_size_gb": round(leeching_size_gb, 2),
                    "seeding_info_count": seeding_count,
                    "seeding_info": seeding_preview,
                    "seeding_info_truncated": seeding_truncated,
                    "message_unread": user_data.message_unread,
                    "message_unread_contents_count": unread_count,
                    "message_unread_contents": unread_preview,
                    "message_unread_contents_truncated": unread_truncated,
                    "err_msg": user_data.err_msg,
                    "updated_day": user_data.updated_day,
                    "updated_time": user_data.updated_time,
                }
                result["user_data"].append(user_data_dict)

            # 如果有多条数据，只返回最新的（按更新时间排序）
            if len(result["user_data"]) > 1:
                result["user_data"].sort(
                    key=lambda x: (
                        x.get("updated_day", ""),
                        x.get("updated_time", ""),
                    ),
                    reverse=True,
                )
                result["message"] = (
                    f"找到 {len(result['user_data'])} 条数据，显示最新的一条"
                )
                result["user_data"] = [result["user_data"][0]]

            return json.dumps(result, ensure_ascii=False, indent=2)

        except Exception as e:
            error_message = f"查询站点用户数据失败: {str(e)}"
            logger.error(f"查询站点用户数据失败: {e}", exc_info=True)
            return json.dumps(
                {"success": False, "message": error_message, "site_id": site_id},
                ensure_ascii=False,
            )