#
# This file is part of FreedomBox.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
"""
Forms for snapshot module.
"""

from django import forms
from django.utils.translation import ugettext_lazy as _


class SnapshotForm(forms.Form):
    free_space = forms.ChoiceField(
        label=_('Free Disk Space to Maintain'),
        help_text=_('Maintain this percentage of free space on the disk. '
                    'If free space falls below this value, older snapshots '
                    'are removed until this much free space is regained. The '
                    'default value is 30%.'),
        choices=[(i / 100, '{}%'.format(i)) for i in range(10, 80, 10)])

    enable_timeline_snapshots = forms.ChoiceField(
        label=_('Timeline Snapshots'),
        help_text=_('Enable or disable timeline snapshots '
                    '(hourly, daily, monthly and yearly).'),
        choices=[('yes', 'Enabled'), ('no', 'Disabled')])

    enable_software_snapshots = forms.ChoiceField(
        label=_('Software Installation Snapshots'), help_text=_(
            'Enable or disable snapshots before and after software '
            'installation'), choices=[('yes', 'Enabled'), ('no', 'Disabled')])

    hourly_limit = forms.IntegerField(
        label=_('Hourly Snapshots Limit'), min_value=0,
        help_text=_('Keep a maximum of this many hourly snapshots.'))

    daily_limit = forms.IntegerField(
        label=_('Daily Snapshots Limit'), min_value=0,
        help_text=_('Keep a maximum of this many daily snapshots.'))

    weekly_limit = forms.IntegerField(
        label=_('Weekly Snapshots Limit'), min_value=0,
        help_text=_('Keep a maximum of this many weekly snapshots.'))

    monthly_limit = forms.IntegerField(
        label=_('Monthly Snapshots Limit'), min_value=0,
        help_text=_('Keep a maximum of this many monthly snapshots.'))

    yearly_limit = forms.IntegerField(
        label=_('Yearly Snapshots Limit'), min_value=0,
        help_text=_('Keep a maximum of this many yearly snapshots. '
                    'The default value is 0 (disabled).'))