import json
import os
from argparse import Namespace
from typing import Any

from mdrsclient.api import FilesApi
from mdrsclient.commands.base import BaseCommand
from mdrsclient.exceptions import IllegalArgumentException
from mdrsclient.models.file import find_file


class FileMetadataCommand(BaseCommand):
    @classmethod
    def register(cls, parsers: Any) -> None:
        file_metadata_parser = parsers.add_parser("file-metadata", help="get the file metadata")
        file_metadata_parser.add_argument("-p", "--password", help="password to use when open locked folder")
        file_metadata_parser.add_argument("remote_path", help="remote file path (remote:/lab/path/file)")
        file_metadata_parser.set_defaults(func=cls.func)

    @classmethod
    def func(cls, args: Namespace) -> None:
        remote_path = str(args.remote_path)
        password = str(args.password) if args.password else None
        cls.file_metadata(remote_path, password)

    @classmethod
    def file_metadata(cls, remote_path: str, password: str | None) -> None:
        remote = remote_path.split(":", 1)[0] if ":" in remote_path else ""
        connection = cls._create_connection(remote)
        folder, laboratory, r_basename = cls._resolve_file(connection, remote_path, password)
        files = cls._find_files(connection, folder.id)
        file = find_file(files, r_basename)
        if file is None:
            raise IllegalArgumentException(f"File `{r_basename}` not found.")
        file_api = FilesApi(connection)
        metadata = file_api.metadata(file)
        print(json.dumps(metadata, ensure_ascii=False))