"""A script for uploading data to Zenodo."""

import os
from argparse import ArgumentParser, Namespace
from zenodo import Zenodo
import yaml

# You have to explicitly set ZENODO_USE_SANDBOX=false to not use the
# sandbox, any other value or unset variable means this script will use
# the sandbox zenodo site
if "ZENODO_USE_SANDBOX" in os.environ:
    USE_SANDBOX = not os.environ["ZENODO_USE_SANDBOX"] == "false"
else:
    USE_SANDBOX = True


if USE_SANDBOX:
    API_KEY = os.environ["ZENODO_API_KEY_SANDBOX"]
else:
    API_KEY = os.environ["ZENODO_API_KEY_REAL"]


def parse_arguments() -> Namespace:
    """Parse the commandline arguments and return a namespace containing the result."""
    p = ArgumentParser(description="Upload data to Zenodo")
    p.add_argument("paths", help="Directories and files to upload to Zenodo", nargs="*")
    return p.parse_args()


def script_directory(path):
    """Return path to directory of the current script."""
    return os.path.join(os.path.dirname(os.path.realpath(__file__)), path)


def get_meta():
    """Return the metadata in the script directory as a dictionary."""
    with open(script_directory("metadata.yaml"), encoding="utf-8") as f:
        metadata = f.read()

    return yaml.safe_load(metadata)


def main():
    """Create the zenodo deposit and upload it to Zenodo.

    This is the main function called when the full script is run.
    """
    args = parse_arguments()

    metadata = get_meta()

    zenodo = Zenodo(API_KEY, USE_SANDBOX)
    deposit = zenodo.create_new_deposit()

    zenodo.set_metadata(deposit["id"], metadata)

    for path in args.paths:
        zenodo.upload_file(deposit["id"], path)

    link = deposit["links"]["latest_draft_html"]
    with open("zenodo-link.html", "w", encoding="utf-8") as f:
        f.write(f'<a href="{link}">{link}</a>')


if __name__ == "__main__":
    main()