import sys
from typing import Any

_wandb_initialized: bool = False


def init_wandb(name: str, **kwargs: Any) -> None:
    if '--wandb' not in sys.argv:
        return

    from datetime import datetime

    import wandb

    wandb.init(
        project=name,
        entity='pytorch-geometric',
        name=datetime.now().strftime('%Y-%m-%d_%H:%M'),
        config=kwargs,
    )

    global _wandb_initialized
    _wandb_initialized = True


def log(**kwargs: Any) -> None:
    def _map(value: Any) -> str:
        if isinstance(value, int) and not isinstance(value, bool):
            return f'{value:03d}'
        if isinstance(value, float):
            return f'{value:.4f}'
        return value

    print(', '.join(f'{key}: {_map(value)}' for key, value in kwargs.items()))

    if _wandb_initialized:
        import wandb
        wandb.log(kwargs)