import json
import os
from datasets import DatasetDict, Dataset

def load_dataset():
    data_dir = os.path.dirname(os.path.abspath(__file__))
    json_path = os.path.join(data_dir, "data", "dataset.json")
    
    with open(json_path, 'r', encoding='utf-8') as f:
        data = json.load(f)
    
    # 确保数据集只包含预期的列
    dataset_dict = {
        "title": data["title"],
        "url": data["url"],
        "content": data["content"],
        "prompts": data["prompts"],
        "prompt": data["prompt"]
    }
    
    return DatasetDict({"train": Dataset.from_dict(dataset_dict)})