"""
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 defence360agent.contracts.messages import MessageType
from defence360agent.feature_management.constants import AV, FULL
from defence360agent.feature_management.lookup import feature
from defence360agent.rpc_tools.lookup import (
    CommonEndpoints,
    RootEndpoints,
    bind,
)
from defence360agent.contracts.permissions import (
    MS_CLEAN_REQUIRES_MYIMUNIFY_PROTECTION,
    check_permission,
)
from defence360agent.rpc_tools.validate import validate_av_plus_license
from imav.malwarelib.cleanup.cleaner import MalwareCleanupProxy
from imav.malwarelib.cleanup.storage import restore_hits
from imav.malwarelib.model import MalwareHit
from imav.malwarelib.utils.endpoints import MaliciousEndpointStatus


@feature(AV, [FULL])
class CleanupEndpoints(CommonEndpoints):
    @bind("malware", "malicious", "cleanup")
    @validate_av_plus_license
    async def cleanup(self, ids, standard_only=False, user=None):
        check_permission(MS_CLEAN_REQUIRES_MYIMUNIFY_PROTECTION, user)
        hits = MalwareHit.malicious_select(ids, user=user, cleanup=True)
        if hits:
            await self._sink.process_message(
                MessageType.MalwareCleanupTask(
                    hits=hits,
                    initiator=user,
                    standard_only=standard_only,
                )
            )

    @bind("malware", "malicious", "cleanup-all")
    @validate_av_plus_license
    async def cleanup_all(self, standard_only=False, user=None):
        check_permission(MS_CLEAN_REQUIRES_MYIMUNIFY_PROTECTION, user)
        hits = MalwareHit.malicious_select(user=user, cleanup=True)
        if hits:
            await self._sink.process_message(
                MessageType.MalwareCleanupTask(
                    hits=hits,
                    initiator=user,
                    standard_only=standard_only,
                )
            )

    @bind("malware", "malicious", "restore-original")
    @validate_av_plus_license
    async def restore_original(self, ids, user=None):
        hits = MalwareHit.malicious_select(ids, user=user, restore=True)
        succeded, failed = await restore_hits(hits, self._sink)
        return MaliciousEndpointStatus(succeded, failed)


class CleanupRootEndpoints(RootEndpoints):
    def __init__(self, sink):
        super().__init__(sink)
        self._proxy = MalwareCleanupProxy()

    @bind("malware", "cleanup", "status")
    async def cleanup_status(self):
        progress = self._proxy.get_progress()
        if progress is None:
            status = {"status": "stopped"}
        else:
            status = {"status": "running", "progress": progress}
        return {"items": status}

    @bind("malware", "user", "cleanup")
    @validate_av_plus_license
    async def user_cleanup(self, user, standard_only=False):
        users = user  # according to schema 'user' is actually a list of users
        hits = MalwareHit.malicious_select(user=users, cleanup=True)
        if hits:
            for user in users:
                user_hits = [hit for hit in hits if hit.user == user]
                if user_hits:
                    await self._sink.process_message(
                        MessageType.MalwareCleanupTask(
                            hits=user_hits,
                            initiator=user,
                            standard_only=standard_only,
                        )
                    )

    @bind("malware", "user", "restore-original")
    @validate_av_plus_license
    async def user_restore_original(self, user):
        hits = MalwareHit.malicious_select(user=user, restore=True)
        succeded, failed = await restore_hits(hits, self._sink, user)
        return MaliciousEndpointStatus(succeded, failed)