"""
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.


This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
See the GNU General Public License for more details.


You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.

Copyright © 2019 Cloud Linux Software Inc.

This software is also available under ImunifyAV commercial license,
see <https://www.imunify360.com/legal/eula>
"""
from asyncio import gather
from datetime import timedelta

from defence360agent.internals.global_scope import g
from imav.malwarelib.scan.queue_supervisor_sync import (
    QueueSupervisorSync,
)
from imav.malwarelib.scan.ai_bolit.detached import (
    AiBolitDetachedScan,
)
from defence360agent.mr_proper import BaseCleaner
from defence360agent.utils import antivirus_mode


class UncompletedScansCleaner(BaseCleaner):
    """
    Cleaner for uncompleted (including aborted) detached scans.
    """

    if antivirus_mode.enabled:
        _DETACHED_OPERATIONS = [
            AiBolitDetachedScan,
        ]
    else:
        from imav.malwarelib.scan.mds.detached import (
            MDSDetachedCleanup,
            MDSDetachedRestore,
            MDSDetachedScan,
        )

        _DETACHED_OPERATIONS = [
            AiBolitDetachedScan,
            MDSDetachedCleanup,
            MDSDetachedRestore,
            MDSDetachedScan,
        ]

    @classmethod
    async def cleanup(cls) -> None:
        # We need to bring the queue to a consistent state on agent start.
        # Running 'check_detached_operation' and '_recheck_scan_queue' in async
        # manner leads to already started scan re-running (Wrong 'QueuedScan'
        # state on 'recheck')

        coros = [
            op.check_detached_operation_dir(g.sink)
            for op in cls._DETACHED_OPERATIONS
        ]
        await gather(*coros)

        # We could do a recheck in case some of the scans are 'ABORTED' since
        #  handle_aborted_process is called for them all, so they are removed
        #  from queue and would not be re-run
        QueueSupervisorSync(sink=g.sink).recheck()