from typing import Optional
from ragflow_sdk import DataSet
from conf.settings import ragflow_settings, model_settings
from .conf.rag_parser_config import RagParserDefaults
from .base_util import RAGFlowBaseUtil



class DataSetUtil(RAGFlowBaseUtil):

    def __init__(self):
        super().__init__()

    def create_dataset(self, chunk_method: str = RagParserDefaults.DATASET_CHUNK_METHOD,
        dataset_name: Optional[str] = None, dataset_desc: str = "", 
        embedding_model: str = f"{model_settings.embedding_model_name}@SILICONFLOW",
        parser_config: dict = RagParserDefaults.DATASET_CONFIG_DICT):
        """
        创建数据集
        """
        # 封装数据集参数
        parser_obj = DataSet.ParserConfig(self.ragflow_client, parser_config)
        # 创建数据集
        dataset = self.ragflow_client.create_dataset(
            name=dataset_name,
            description=dataset_desc,
            embedding_model=embedding_model,
            permission=RagParserDefaults.DATASET_PERMISSION, 
            chunk_method= chunk_method,
            parser_config=parser_obj
        )
        return dataset

    def delete_dataset(self, ids: list[str] | None = None):
        """
        删除数据集
        """
        try:
            if ids is not None:
                self.ragflow_client.delete_datasets(ids)
        except Exception as e:
            print(f"删除数据集失败: {e}")

    def get_dataset(self, name: Optional[str] = None):
        """
        获取数据集
        """
        try:
            dataset = self.ragflow_client.get_dataset(name=name)
        except Exception as e:
            print(f"获取数据集失败: {e}")
            return None
        return dataset
                
    def list_datasets(self, page: int = 1, page_size: int = 30, orderby: str = "create_time", desc: bool = True, id: str | None = None, name: str | None = None) -> list[DataSet]:
        """
        获取数据集列表
        """
        try:
            dataset_list = self.ragflow_client.list_datasets(
                page=page,
                page_size=page_size,
                orderby=orderby,
                desc=desc,
                id=id,
                name=name,
            )
        except Exception as e:
            print(f"获取数据集列表失败: {e}")
            return None
        return dataset_list