import datetime
import asyncio
import toga
from toga.sources import ListSource

class ListsData():
    def __init__(self, app):
        self.app = app
        self.data_widget = None

    def reload(self):
        curent_userid = self.app.configuration.get_userid()
        if curent_userid > 0:
            parameters = {}
            parameters['userid'] = curent_userid
            result = self.app.backend.postwait('load_lists', parameters)
            for item in result['data']:
                self.data_widget.append(item)




class List():
    id = 0
    updated_at = None
    owner_user_id = 0
    name = ''
    is_active = True


class Item():
    id = 0
    updated_at = None
    listofitems_id = 0
    label = ''
    quantity = 0
    unit = ''
    label_alt1 = ''
    label_alt2 = ''
    is_checked = False
    is_suggestion = False
    category = ''

class LocalData():
    def __init__(self, app):
        self.app = app
        self.curent_userid = 0
        self.current_listid = 0
        self.lists = ListsData(app)

    def set_user(self, userid):
         if userid != self.curent_userid:
              self.lists.clear()
              self.curent_userid = userid

    def reload_list(self):
        self.curent_userid = self.app.configuration.get_userid()
        if self.curent_userid > 0:
             return self.lists.reload(self.curent_userid)