import json
from argparse import Namespace, _SubParsersAction

from mdrsclient.api import FolderApi
from mdrsclient.commands.base import BaseCommand


class MetadataCommand(BaseCommand):
    @classmethod
    def register(cls, parsers: _SubParsersAction) -> None:
        command = cls()
        metadata_parser = parsers.add_parser("metadata", help="get a folder metadata")
        metadata_parser.add_argument("-p", "--password", help="password to use when open locked folder")
        metadata_parser.add_argument("remote_path", help="remote folder path (remote:/lab/path/)")
        metadata_parser.set_defaults(func=command.metadata)

    def metadata(self, args: Namespace) -> None:
        (remote, laboratory_name, r_path) = self._parse_remote_host_with_path(args.remote_path)
        connection = self._create_connection(remote)
        laboratory = self._find_laboratory(connection, laboratory_name)
        folder = self._find_folder(connection, laboratory, r_path, args.password)
        folder_api = FolderApi(connection)
        metadata = folder_api.metadata(folder.id)
        print(json.dumps(metadata, ensure_ascii=False))