actions-test/lib/screens/room/new.dart

import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:outbag_app/backend/request.dart';
import 'package:outbag_app/backend/room.dart';
import 'package:outbag_app/backend/user.dart';
import 'package:outbag_app/tools/fetch_wrapper.dart';
import 'package:outbag_app/tools/snackbar.dart';
import 'package:routemaster/routemaster.dart';
import 'dart:math';

class NewRoomPage extends StatefulWidget {
  const NewRoomPage({super.key});

  @override
  State<StatefulWidget> createState() => _NewRoomPageState();
}

class _NewRoomPageState extends State {
  final TextEditingController _ctrID = TextEditingController();
  final TextEditingController _ctrName = TextEditingController();
  final TextEditingController _ctrDescription = TextEditingController();
  RoomVisibility _ctrVis = RoomVisibility.private;
  RoomIcon _ctrIcon = RoomIcon.other;

  bool showSpinner = false;

  @override
  Widget build(BuildContext context) {
    final textTheme = Theme.of(context)
    .textTheme
    .apply(displayColor: Theme.of(context).colorScheme.onSurface);

    double width = MediaQuery.of(context).size.width;
    double height = MediaQuery.of(context).size.height;
    double smallest = min(min(width, height), 400);

    return showSpinner
    ? Scaffold(
      body: Center(
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.center,
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            const CircularProgressIndicator(),
            Text('Loading', style: textTheme.titleLarge),
    ])))
    : Scaffold(
      appBar: AppBar(
        title: const Text('New Room'),
        leading: IconButton(
          onPressed: () {
            // go back
            Routemaster.of(context).history.back();
          },
          icon: const Icon(Icons.arrow_back),
          tooltip: "Go back",
        ),
      ),
      body: SingleChildScrollView(
        child: Center(
          child: Padding(
            padding: const EdgeInsets.all(14),
            child: ConstrainedBox(
              constraints: const BoxConstraints(maxWidth: 400),
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                crossAxisAlignment: CrossAxisAlignment.center,
                children: [
                  IconButton(
                    icon: SvgPicture.asset(
                      _ctrIcon.img,
                      width: smallest * 0.3,
                      height: smallest * 0.3,
                    ),
                    tooltip: 'Change room icon',
                    onPressed: () {
                      showDialog(
                        context: context,
                        builder: (ctx) => AlertDialog(
                          title:
                          const Text('Choose a room Icon'),
                          actions: const [],
                          content: SizedBox(
                            width: smallest * 0.3 * 3,
                            height: smallest * 0.3 * 3,
                            child: GridView.count(
                              crossAxisCount: 3,
                              children: RoomIcon.list()
                              .map((icon) {
                                  return GridTile(
                                    child: IconButton(
                                      icon: SvgPicture
                                      .asset(
                                        icon.img,
                                        width: smallest *
                                        0.3,
                                        height: smallest *
                                        0.3,
                                      ),
                                      tooltip: icon.text,
                                      onPressed: () {
                                        setState(() {
                                            _ctrIcon = icon;
                                        });
                                        Navigator.of(
                                          context)
                                        .pop();
                                  }));
                              }).toList())),
                      ));
                    },
                  ),
                  Padding(
                    padding: const EdgeInsets.all(8),
                    child: TextField(
                      controller: _ctrID,
                      keyboardType: TextInputType.emailAddress,
                      decoration: const InputDecoration(
                        prefixIcon: Icon(Icons.fact_check),
                        labelText: 'Room ID',
                        hintText: 'Unique room id',
                        helperText:
                        'the room id and server tag allow the room to be identified',
                        border: OutlineInputBorder(),
                      ),
                    ),
                  ),
                  Padding(
                    padding: const EdgeInsets.all(8),
                    child: TextField(
                      controller: _ctrName,
                      keyboardType: TextInputType.name,
                      decoration: const InputDecoration(
                        prefixIcon: Icon(Icons.badge),
                        labelText: 'Room Name',
                        hintText: 'Give your room a name',
                        helperText:
                        'Easily identify a room with a human readable name',
                        border: OutlineInputBorder(),
                      ),
                    ),
                  ),
                  Padding(
                    padding: const EdgeInsets.all(8),
                    child: TextField(
                      controller: _ctrDescription,
                      keyboardType: TextInputType.text,
                      decoration: const InputDecoration(
                        prefixIcon: Icon(Icons.dns),
                        labelText: 'Room Description',
                        hintText: 'Briefly describe your Room',
                        helperText:
                        'Make it easier for other to know what this room is used for',
                        border: OutlineInputBorder(),
                      ),
                    ),
                  ),
                  Text('Visibility', style: textTheme.labelLarge),
                  Text('Specify who has access to your room',
                    style: textTheme.bodySmall),
                  SegmentedButton<RoomVisibility>(
                    showSelectedIcon: true,
                    multiSelectionEnabled: false,
                    emptySelectionAllowed: false,
                    segments: RoomVisibility.list().map((vis) {
                        return ButtonSegment<RoomVisibility>(
                          value: vis,
                          label: Text(vis.text),
                          icon: Icon(vis.icon));
                    }).toList(),
                    onSelectionChanged: ((vset) {
                        setState(() {
                            _ctrVis = vset.single;
                        });
                    }),
                    selected: {_ctrVis},
                    selectedIcon: Icon(_ctrVis.icon),
                  ),
                ],
              )
            )
          )
        )
      ),
      floatingActionButton: FloatingActionButton.extended(
        onPressed: () async {
          final scaffMgr = ScaffoldMessenger.of(context);
          final rmaster = Routemaster.of(context);

          // ID should be at least three characters long
          if (_ctrID.text.length < 3) {
            showSimpleSnackbar(scaffMgr,
              text: _ctrID.text.isEmpty
              ? 'Please specify a Room ID'
              : 'Room ID has to be at least three characters long',
              action: 'OK');

            return;
          }

          // name may not be empty
          if (_ctrName.text.isEmpty) {
            showSimpleSnackbar(
              scaffMgr,
              text: 'Please specify a room name',
              action: 'OK'
            );

            return;
          }

          User user;
          try {
            user = await User.fromDisk();
          } catch (_) {
            // user data invalid
            // shouldn't happen
            return;
          }

          final room = Room(
            id: _ctrID.text,
            serverTag: user.server.tag,
            name: _ctrName.text,
            description: _ctrDescription.text,
            icon: _ctrIcon,
            visibility: _ctrVis);

          doNetworkRequest(scaffMgr,
            req: (_) => postWithCreadentials(
              target: user.server,
              credentials: user,
              path: 'createRoom',
              body: {
                'room': room.id,
                'title': room.name,
                'description': room.description,
                'icon': room.icon?.type,
                'visibility': room.visibility?.type
            }),
            onOK: (_) async {
              // room was created
              // save room
              await room.toDisk();
              // move to home page
              rmaster.replace('/');
            },
            // we manually fetch the user data above
            // because we need the serverTag
            needUser: false);
        },
        label: const Text('Create'),
        icon: const Icon(Icons.add)),
    );
  }
}