import os.path
import psutil
from .borg_job import BorgJob
from ..i18n import trans_late


class BorgUmountJob(BorgJob):

    def started_event(self):
        self.updated.emit(self.tr('Unmounting archive…'))

    @classmethod
    def prepare(cls, profile):
        ret = super().prepare(profile)
        if not ret['ok']:
            return ret
        else:
            ret['ok'] = False  # Set back to false, so we can do our own checks here.

        ret['active_mount_points'] = []
        partitions = psutil.disk_partitions(all=True)
        for p in partitions:
            if p.device == 'borgfs':
                ret['active_mount_points'].append(os.path.normpath(p.mountpoint))

        if len(ret['active_mount_points']) == 0:
            ret['message'] = trans_late('messages', 'No active Borg mounts found.')
            return ret

        cmd = ['borg', 'umount', '--log-json']

        ret['ok'] = True
        ret['cmd'] = cmd

        return ret
