// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.

import 'dart:math';

import 'package:crud_bloc_example/models.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:wyatt_crud_bloc/wyatt_crud_bloc.dart';

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    final _userRepository = CrudRepositoryFirestore<UserFirestore>(
      'users_crud',
      UserFirestore.parser(),
    );

    final _userCubit = CrudCubit<UserFirestore>(_userRepository);

    return RepositoryProvider<CrudRepositoryFirestore<UserFirestore>>(
      create: (context) => _userRepository,
      child: BlocProvider<CrudCubit<UserFirestore>>(
        create: (context) => _userCubit,
        child: MaterialApp(
          title: 'Flutter Demo',
          theme: ThemeData(
            primarySwatch: Colors.blue,
          ),
          home: const MyHomePage(),
        ),
      ),
    );
  }
}

class MyHomePage extends StatelessWidget {
  const MyHomePage({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Flutter Demo Home Page'),
      ),
      body: SingleChildScrollView(
        child: Column(
          children: [
            const SizedBox(height: 20),
            const Text("Data:"),
            CrudStreamBuilder<UserFirestore>(
              onError: (context, state) => const SizedBox.shrink(),
              onLoading: (context, state) => const Text("Loading..."),
              onStream: (context, data) {
                return ListView.builder(
                  shrinkWrap: true,
                  itemCount: data.length,
                  itemBuilder: (context, index) {
                    final user = data.elementAt(index);
                    return ListTile(
                      title: Text(user?.name ?? 'Error'),
                      subtitle: Text(user?.id ?? 'Error'),
                      onTap: () {
                        context.read<CrudCubit<UserFirestore>>().get(
                              (user?.id)!,
                            );
                      },
                      onLongPress: () {
                        context.read<CrudCubit<UserFirestore>>().delete(
                              (user?.id)!,
                            );
                      },
                    );
                  },
                );
              },
            ),
            const SizedBox(height: 20),
            BlocBuilder<CrudCubit<UserFirestore>, CrudState<UserFirestore>>(
              builder: (context, state) {
                return Center(
                  child: Text(
                    state.toString(),
                    textAlign: TextAlign.center,
                    style: const TextStyle(
                      fontSize: 20,
                      color: Colors.grey,
                    ),
                  ),
                );
              },
            ),
            const SizedBox(height: 20),
            ElevatedButton(
              onPressed: () {
                final r = Random().nextInt(1000);
                context.read<CrudCubit<UserFirestore>>().create(
                      UserFirestore(
                          name: 'Wyatt $r',
                          email: '$r@wyattapp.io',
                          phone: '06$r'),
                    );
              },
              child: const Text("Create"),
            ),
            ElevatedButton(
              onPressed: () {
                context.read<CrudCubit<UserFirestore>>().deleteAll();
              },
              child: const Text("DeleteAll"),
            ),
            ElevatedButton(
              onPressed: () {
                context.read<CrudCubit<UserFirestore>>().getAll();
              },
              child: const Text("GetAll"),
            ),
            ElevatedButton(
              onPressed: () {
                context
                    .read<CrudCubit<UserFirestore>>()
                    .query([LimitQueryFirestore(1)]);
              },
              child: const Text("Query"),
            ),
            ElevatedButton(
              onPressed: () {
                context.read<CrudCubit<UserFirestore>>().streamOf();
              },
              child: const Text("StreamOf"),
            ),
            ElevatedButton(
              onPressed: () {
                context
                    .read<CrudCubit<UserFirestore>>()
                    .updateAll({'updated': DateTime.now()});
              },
              child: const Text("UpdateAll"),
            ),
            ElevatedButton(
              onPressed: () {
                context.read<CrudCubit<UserFirestore>>().reset();
              },
              child: const Text("Reset"),
            ),
            const SizedBox(height: 20),
          ],
        ),
      ),
    );
  }
}