from asciimatics.widgets import Layout, Text

from ...utils import http_post, http_get, defer
from ..CeoFrame import CeoFrame


class CreateDatabaseView(CeoFrame):
    def __init__(self, screen, width, height, model):
        super().__init__(
            screen, height, width, model, 'CreateDatabase',
            save_data=True,
        )
        layout = Layout([100], fill_frame=True)
        self.add_layout(layout)
        self._username = Text("Username:", "uid")
        layout.add_widget(self._username)
        self.add_buttons(
            back_btn=True, next_scene='Confirm',
            on_next=self._next)
        self.fix()

    def _target(self):
        username = self._username.value
        db_type = self._model.db_type
        resp = http_get(f'/api/members/{username}')
        if not resp.ok:
            return resp
        user_dict = resp.json()
        self._model.user_dict = user_dict
        return http_post(f'/api/db/{db_type}/{username}')

    def _next(self):
        username = self._username.value
        if not username:
            return
        if self._model.db_type == 'mysql':
            db_type_name = 'MySQL'
        else:
            db_type_name = 'PostgreSQL'
        self._model.confirm_lines = [
            f'Are you sure you want to create a {db_type_name} database for {username}?',
        ]
        self._model.deferred_req = defer(self._target)
        self._model.result_view_name = 'CreateDatabaseResult'