"""
Dataset Handler
Handles dataset import and exploration functionality
"""
from typing import Optional, Tuple, Any, Dict


class DatasetHandler:
    """Dataset Handler for Dataset Explorer functionality"""
    
    def __init__(self):
        """Initialize dataset handler"""
        self.dataset = None
        self.dataset_imported = False
    
    def import_dataset(self, dataset_type: str) -> str:
        """
        Import dataset (temporarily disabled)
        
        Args:
            dataset_type: Type of dataset to import (e.g., "train", "test")
            
        Returns:
            Status message string
        """
        self.dataset_imported = False
        return f"⚠️ Dataset import is currently disabled. Text2MusicDataset dependency not available."
    
    def get_item_data(self, *args, **kwargs) -> Tuple:
        """
        Get dataset item (temporarily disabled)
        
        Returns:
            Tuple of placeholder values matching the expected return format
        """
        return "", "", "", "", "", None, None, None, "❌ Dataset not available", "", 0, "", None, None, None, {}, "text2music"