"""MrrrMe Backend - GPU Fixes and Patches"""
import os
import logging

# ===== GPU FIX: Patch TensorBoard =====
class DummySummaryWriter:
    """Dummy TensorBoard writer to prevent GPU issues"""
    def __init__(self, *args, **kwargs): 
        pass
    
    def __getattr__(self, name): 
        return lambda *args, **kwargs: None

def patch_tensorboard():
    """Patch TensorBoard to avoid GPU conflicts"""
    try:
        import tensorboardX
        tensorboardX.SummaryWriter = DummySummaryWriter
        print("[Patches] ✅ TensorBoard patched")
    except ImportError:
        pass  # TensorBoard not installed

# ===== GPU FIX: Patch Logging to redirect /work paths =====
_original_FileHandler = logging.FileHandler

class RedirectingFileHandler(_original_FileHandler):
    """File handler that redirects /work paths to /tmp"""
    def __init__(self, filename, mode='a', encoding=None, delay=False, errors=None):
        if isinstance(filename, str) and filename.startswith('/work'):
            filename = '/tmp/openface_log.txt'
        
        # Ensure directory exists
        dirname = os.path.dirname(filename)
        if dirname:
            os.makedirs(dirname, exist_ok=True)
        else:
            os.makedirs('/tmp', exist_ok=True)
        
        super().__init__(filename, mode, encoding, delay, errors)

def patch_logging():
    """Patch logging FileHandler to redirect paths"""
    logging.FileHandler = RedirectingFileHandler
    print("[Patches] ✅ Logging FileHandler patched")

def apply_all_patches():
    """Apply all GPU and system patches"""
    patch_tensorboard()
    patch_logging()