import os
from functools import lru_cache

from platformdirs import user_data_dir
from reader import Reader, make_reader  # type: ignore

data_dir: str = user_data_dir(appname="discord_rss_bot", appauthor="TheLovinator", roaming=True)
os.makedirs(data_dir, exist_ok=True)
print(f"Data is stored in '{data_dir}'.")


# TODO: Add default things to the database and make the edible.
default_custom_message: str = "{{entry_title}}\n{{entry_link}}"
default_custom_embed: dict[str, str] = {
    "title": "{{entry_title}}",
    "description": "{{entry_text}}",
    "image_url": "{{image_1}}",
    "color": "#469ad9",
}


@lru_cache()
def get_db_location(custom_location: str = "") -> str:
    """Where we store the database file.

    Args:
        custom_location: Where the database file should be stored. This should be with the file name.

    Returns:
        The database location.
    """
    # Use the custom location if it is provided.
    db_loc: str = custom_location or os.path.join(data_dir, "db.sqlite")

    return db_loc


@lru_cache()
def get_reader(custom_location: str = "") -> Reader:
    """Get the reader.

    Args:
        custom_location: The location of the database file.

    """

    db_location: str = get_db_location(custom_location)

    return make_reader(url=db_location)


def list_webhooks(reader: Reader) -> list[dict[str, str]]:
    """
    Get current webhooks from the database if they exist otherwise use an empty list.

    Args:
        reader: The reader to use.

    Returns:
        list[dict[str, str]]: The webhooks.
    """
    webhooks: list[dict[str, str]] = []

    # Get global tags
    if reader.get_tags(()) is not None:
        for tag in reader.get_tag_keys(()):
            # Check if the tag is named webhooks
            if tag == "webhooks":
                webhooks = reader.get_tag((), "webhooks")  # type: ignore

    return webhooks