import 'package:diameter/models/log_event.dart';
import 'package:diameter/screens/log/log_entry/log_event_detail.dart';
import 'package:diameter/screens/log/log_entry/log_event_list.dart';
import 'package:flutter/material.dart';
import 'package:diameter/navigation.dart';

class ActiveEventListScreen extends StatefulWidget {
  static const String routeName = '/active-log-events';
  const ActiveEventListScreen({Key? key}) : super(key: key);

  @override
  _ActiveEventListScreenState createState() => _ActiveEventListScreenState();
}


class _ActiveEventListScreenState extends State<ActiveEventListScreen> {
  List<LogEvent> _activeEvents = [];

  @override
  void initState() {
    super.initState();
    reload();
  }

  void reload({String? message}) {
    setState(() {
      _activeEvents = LogEvent.getAllActiveForTime(DateTime.now());
    });

    setState(() {
      if (message != null) {
        var snackBar = SnackBar(
          content: Text(message),
          duration: const Duration(seconds: 2),
        );
        ScaffoldMessenger.of(context)
          ..removeCurrentSnackBar()
          ..showSnackBar(snackBar);
      }
    });
  }


  void handleAddNewEvent() async {
    Navigator.push(
      context,
      MaterialPageRoute(
        builder: (context) {
          return const LogEventDetailScreen();
        },
      ),
    ).then((message) => reload(message: message));
  }


  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Active Events'),
        actions: <Widget>[
          IconButton(onPressed: reload, icon: const Icon(Icons.refresh))
        ],
      ),
      drawer:
          const Navigation(currentLocation: ActiveEventListScreen.routeName),
      body: LogEventListScreen(activeEvents: _activeEvents),
      floatingActionButton: FloatingActionButton(
        onPressed: handleAddNewEvent,
        child: const Icon(Icons.add),
      ),
    );
  }
}