# -*- coding: utf-8 -*-

from argparse import Namespace, ArgumentParser
from contextlib import asynccontextmanager

from ..Cmd import Cmd as Base
from ..CmdTar import CmdTar as Parent

from ....lib.TarIo import TarIo
from ....lib.ProcFilterGpg import ProcFilterGpg
from ....lib.FileContext import FileContext

class Cmd(Base): # export

    def __init__(self, parent: Parent, name: str, help: str) -> None:
        super().__init__(parent, name, help)
        self.__tar_io: None = None

    @asynccontextmanager
    async def ctx(self, **kwargs) -> TarIo:
        async with TarIo.create(src_uri=self.app.args.archive_path, **kwargs) as ret:
            ret.src.add_proc_filter(FileContext.Direction.In, ProcFilterGpg(ec=self.app.exec_context))
            yield ret

    def add_arguments(self, parser: ArgumentParser) -> None:
        super().add_arguments(parser)
        parser.add_argument('-f', '--archive-path', required=True, help='Archive path')