"""删除整理历史记录工具"""

from typing import Optional, Type

from pydantic import BaseModel, Field

from app.agent.tools.base import MoviePilotTool
from app.db.transferhistory_oper import TransferHistoryOper
from app.log import logger


class DeleteTransferHistoryInput(BaseModel):
    """删除整理历史记录工具的输入参数模型"""

    explanation: str = Field(
        ...,
        description="Clear explanation of why this tool is being used in the current context",
    )
    history_id: int = Field(
        ..., description="The ID of the transfer history record to delete"
    )


class DeleteTransferHistoryTool(MoviePilotTool):
    name: str = "delete_transfer_history"
    description: str = "Delete a specific transfer history record by its ID. This is useful when you need to remove a failed transfer record before retrying the transfer, as the system skips files that already have transfer history."
    args_schema: Type[BaseModel] = DeleteTransferHistoryInput
    require_admin: bool = True

    def get_tool_message(self, **kwargs) -> Optional[str]:
        """根据参数生成友好的提示消息"""
        history_id = kwargs.get("history_id")
        return f"正在删除整理历史记录: ID={history_id}"

    async def run(self, history_id: int, **kwargs) -> str:
        logger.info(f"执行工具: {self.name}, 参数: history_id={history_id}")

        try:
            transferhis = TransferHistoryOper()

            # 查询历史记录是否存在
            history = transferhis.get(history_id)
            if not history:
                return f"错误：整理历史记录不存在，ID={history_id}"

            # 保存信息用于返回
            title = history.title or "未知"
            src = history.src or "未知"
            status = "成功" if history.status else "失败"

            # 删除记录
            transferhis.delete(history_id)

            return f"已删除整理历史记录：ID={history_id}，标题={title}，源路径={src}，状态={status}"
        except Exception as e:
            logger.error(f"删除整理历史记录失败: {e}", exc_info=True)
            return f"删除整理历史记录时发生错误: {str(e)}"