from asciimatics.widgets import Layout, Text

from ...term_utils import get_terms_for_renewal
from ...utils import http_post, defer
from ..CeoFrame import CeoFrame


class RenewUserView(CeoFrame):
    def __init__(self, screen, width, height, model):
        super().__init__(
            screen, height, width, model, 'RenewUser',
            save_data=True,
        )
        self._model = model

        layout = Layout([100], fill_frame=True)
        self.add_layout(layout)
        self._username = Text("Username:", "uid")
        layout.add_widget(self._username)
        self._num_terms = Text(
            "Number of terms:", "num_terms",
            validator=lambda s: s.isdigit() and s[0] != '0')
        layout.add_widget(self._num_terms)

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

    def _next(self):
        uid = self._username.value
        self.flash_message('Looking up user...', force_update=True)
        try:
            new_terms = get_terms_for_renewal(
                uid,
                int(self._num_terms.value),
                self._model.is_club_rep,
                self._model,
            )
        finally:
            self.clear_flash_message()

        body = {'uid': uid}
        if self._model.is_club_rep:
            body['non_member_terms'] = new_terms
            terms_str = 'non-member terms'
        else:
            body['terms'] = new_terms
            terms_str = 'member terms'

        self._model.confirm_lines = [
            'The following ' + terms_str + ' will be added:',
            '',
            ','.join(new_terms),
            '',
            'Are you sure you want to continue?',
        ]
        self._model.deferred_req = defer(
            http_post, f'/api/members/{uid}/renew', json=body)