from asciimatics.widgets import Layout, Text, CheckBox, Label

from ...utils import defer, http_delete
from ..CeoFrame import CeoFrame
from ceod.transactions.groups import RemoveMemberFromGroupTransaction


class RemoveMemberFromGroupView(CeoFrame):
    def __init__(self, screen, width, height, model):
        super().__init__(
            screen, height, width, model, 'RemoveMemberFromGroup',
        )
        layout = Layout([100], fill_frame=True)
        self.add_layout(layout)
        self._cn = Text('Group name:', 'cn')
        layout.add_widget(self._cn)
        self._username = Text('Username:', 'uid')
        layout.add_widget(self._username)
        layout.add_widget(Label(''))
        self._checkbox = CheckBox(
            'unsubscribe from auxiliary mailing lists', name='unsubscribe')
        self._checkbox.value = True
        layout.add_widget(self._checkbox)

        self.add_buttons(
            back_btn=True,
            next_scene='Confirm', on_next=self._next)
        self.fix()

    def _ceoframe_on_reset(self):
        super()._ceoframe_on_reset()
        self._cn.value = None
        self._username.value = None

    def _next(self):
        cn = self._cn.value
        uid = self._username.value
        self._model.confirm_lines = [
            f'Are you sure you want to remove {uid} from {cn}?',
        ]
        operations = RemoveMemberFromGroupTransaction.operations
        url = f'/api/groups/{cn}/members/{uid}'
        # TODO: deduplicate this logic from the CLI
        if not self._checkbox.value:
            url += '?unsubscribe_from_lists=false'
            operations.remove('unsubscribe_user_from_auxiliary_mailing_lists')
        self._model.deferred_req = defer(http_delete, url)
        self._model.operations = operations