import os
import importlib.util
import logging

logger = logging.getLogger(__name__)

def load_commands():
    """
    Automatically discover and load command modules from bot/commands/.
    
    Each module should call register_module() during import.
    """
    commands_dir = os.path.dirname(__file__)
    for filename in os.listdir(commands_dir):
        if filename.endswith('.py') and filename != '__init__.py':
            module_name = filename[:-3]  # remove .py
            module_path = os.path.join(commands_dir, filename)
            
            try:
                spec = importlib.util.spec_from_file_location(module_name, module_path)
                module = importlib.util.module_from_spec(spec)
                spec.loader.exec_module(module)
                
                logger.info(f"Loaded command module: {module_name}")
            except Exception as e:
                logger.error(f"Failed to load command module {module_name}: {e}")