import logging
import sys
from pathlib import Path

import pydantic
import yaml

from . import models

logger = logging.getLogger(__name__)

config: models.Config | None = None


def load(path: Path) -> None:
    global config
    try:
        config_yaml = yaml.safe_load(open(path))
    except FileNotFoundError:
        logger.error(
            "No config.yaml file found. Make sure to copy the "
            "config.example.yaml file to config.yaml"
        )
        sys.exit(1)

    try:
        config = models.Config(**config_yaml)
    except pydantic.ValidationError as e:
        logger.error(f"Invalid config.yaml file: {e}")
        sys.exit(1)