import datetime
import pathlib
from dataclasses import dataclass

ASSUMED_PREHISTORICAL_DATETIME = datetime.datetime.fromtimestamp(
    0, tz=datetime.timezone.utc
)
DESTINATION_COLUMN_NAME = "documents"
DEFAULT_BATCH_SIZE = 100
COSMOS_DB_TIMESTAMP_FIELD_KEY = "_ts"


@dataclass
class PATHS:

    # Expand user is important. It will replace the user and give you the full
    # path. Stuff breaks without it.
    home_path: pathlib.Path = pathlib.Path("~/.anaxi/").expanduser()
    logging_file: pathlib.Path = home_path / pathlib.Path("anaxi.log")
    cosmos_db_config_file_path: pathlib.Path = home_path / pathlib.Path("cosmos-db.yml")
    postgres_config_file_path: pathlib.Path = home_path / pathlib.Path("postgres.yml")
    streams_config_file_path: pathlib.Path = home_path / pathlib.Path("streams.yml")
    checkpoints_folder_path: pathlib.Path = home_path / "checkpoints/"