import 'package:aitrainer_app/bloc/menu/menu_bloc.dart';
import 'package:aitrainer_app/bloc/settings/settings_bloc.dart';
import 'package:aitrainer_app/localization/app_language.dart';
import 'package:aitrainer_app/model/cache.dart';
import 'package:aitrainer_app/util/trans.dart';
import 'package:aitrainer_app/widgets/app_bar_min.dart';
import 'package:aitrainer_app/widgets/bottom_nav.dart';
import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:toggle_switch/toggle_switch.dart';

// ignore: must_be_immutable
class SettingsPage extends StatelessWidget with Trans {
  @override
  Widget build(BuildContext context) {
    // ignore: close_sinks
    SettingsBloc settingsBloc = BlocProvider.of<SettingsBloc>(context);
    settingsBloc.setLocale(AppLanguage().appLocal);
    settingsBloc.context = context;
    setContext(context);

    MenuBloc menuBloc = BlocProvider.of<MenuBloc>(context);
    return Scaffold(
        appBar: AppBarMin(),
        body: Container(
          decoration: BoxDecoration(
            image: DecorationImage(
              image: AssetImage('asset/image/WT_light_background.png'),
              fit: BoxFit.cover,
              alignment: Alignment.center,
            ),
          ),
          child: Form(
            child: BlocConsumer<SettingsBloc, SettingsState>(listener: (context, state) {
              if (state is SettingsError) {
              } else if (state is SettingsReady) {
                menuBloc.add(MenuRecreateTree());
              }
            },
                // ignore: missing_return
                builder: (context, state) {
              if (state is SettingsLoading) {
                //LoadingDialog.show(context);
              } else if (state is SettingsInitial) {
                return settingsUI(context, settingsBloc, menuBloc);
              } else if (state is SettingsReady) {
                //LoadingDialog.hide(context);
                return settingsUI(context, settingsBloc, menuBloc);
              } else {
                return Container();
              }
            }),
          ),
        ),
        bottomNavigationBar: BottomNavigator(bottomNavIndex: 4));
  }

  ListView settingsUI(BuildContext context, SettingsBloc settingsBloc, MenuBloc menuBloc) {
    return ListView(padding: EdgeInsets.only(top: 150), children: <Widget>[
      ListTile(
          leading: Icon(Icons.language),
          subtitle: Text(t("Change App Language")),
          title: DropdownButton(
              value: settingsBloc.getLocale() == Locale('en') ? t("English") : t("Hungarian"),
              items: [t("English"), t("Hungarian")].map<DropdownMenuItem<String>>((String value) {
                return DropdownMenuItem<String>(
                  value: value,
                  child: Text(value),
                );
              }).toList(),
              onChanged: (String lang) => {
                    settingsBloc.add(SettingsChangeLanguage(language: lang)),
                  })),
      getServer(),
    ]);
  }

  ListTile getServer() {
    if (Cache().userLoggedIn.admin != 1) {
      return ListTile(
        title: Container(),
      );
    }
    return ListTile(
      leading: Icon(Icons.data_usage_sharp),
      subtitle: Text("For Test purpuses select Test-Server. After that please restart the the App"),
      title: ToggleSwitch(
        minWidth: 120.0,
        minHeight: 30.0,
        fontSize: 14.0,
        initialLabelIndex: Cache().liveServer
            ? Cache().testEnvironment == "1"
                ? 1
                : 0
            : 1,
        activeBgColor: Colors.indigo,
        activeFgColor: Colors.white,
        inactiveBgColor: Colors.white60,
        inactiveFgColor: Colors.grey[900],
        labels: [t('Live-Server'), t('Test-Server')],
        onToggle: (index) {
          Cache().setServer(index == 0);
        },
      ),
    );
  }
}