import os

config_filename = "fastmri.yaml"
default_config_content = """brain_path: brain path here
knee_path: knee path here
log_path: log path here
checkpoint_path: checkpoint path here
"""


def check_and_create_config():
    if not os.path.exists(config_filename):
        print(f"{config_filename} not found. Creating with default template...")
        with open(config_filename, "w") as config_file:
            config_file.write(default_config_content)
        print(f"Default configuration file created at {config_filename}.")
    else:
        print(f"{config_filename} already exists. No changes made.")


check_and_create_config()