#!/usr/bin/env python3
"""
Utils for LYGO Factory Suite
Shared helpers: logging, safe file handling, error wrapping.
"""

import logging
import soundfile as sf
from pathlib import Path

# Setup global logger
logger = logging.getLogger("LYGO_Factory")
if not logger.handlers:
    handler = logging.StreamHandler()
    formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
    handler.setFormatter(formatter)
    logger.addHandler(handler)
    logger.setLevel(logging.INFO)

def safe_sf_write(filepath, data, samplerate):
    """Bulletproof soundfile write: forces string path."""
    sf.write(str(filepath), data, samplerate)

def safe_save_json(data, filepath):
    """Safely save JSON with UTF-8 encoding."""
    import json
    with open(str(filepath), 'w', encoding='utf-8') as f:
        json.dump(data, f, indent=2)

def ui_wrapper(fn):
    """Decorator to handle errors gracefully in Gradio."""
    def wrapped(*args, **kwargs):
        try:
            return fn(*args, **kwargs)
        except Exception as e:
            logger.error(f"UI Error: {str(e)}", exc_info=True)
            return f"❌ System Error: {str(e)}", None, None
    return wrapped

def cleanup_temp_files(file_list):
    """Remove temporary files after use."""
    for f in file_list:
        try:
            Path(f).unlink()
        except:
            pass