Client/lib/view/pages/more/feedback/feedbackDialog.dart

import 'dart:convert';
import 'dart:typed_data';

import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'package:loader_overlay/loader_overlay.dart';
import 'package:package_info_plus/package_info_plus.dart';
import 'package:provider/provider.dart';
import 'package:badges/badges.dart' as badges;

import '../../../../api/mhsl/server/feedback/addFeedback.dart';
import '../../../../api/mhsl/server/feedback/addFeedbackParams.dart';
import '../../../../model/accountData.dart';
import '../../../../storage/base/settingsProvider.dart';
import '../../../../widget/filePick.dart';
import '../../../../widget/focusBehaviour.dart';
import '../../../../widget/infoDialog.dart';

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

  @override
  State<FeedbackDialog> createState() => _FeedbackDialogState();
}

class _FeedbackDialogState extends State<FeedbackDialog> {
  final ImagePicker picker = ImagePicker();

  final TextEditingController _feedbackInput = TextEditingController();
  Uint8List? _image;
  String? _error;
  bool _textFieldEmpty = false;

  @override
  void initState() {
    super.initState();
    _feedbackInput.addListener(() {
      setState(() {
        _textFieldEmpty = _feedbackInput.text.isEmpty;
        _error = null;
      });
    });
  }

  @override
  Widget build(BuildContext context) => Scaffold(
      appBar: AppBar(
        title: const Text('Feedback'),
      ),
      body: SingleChildScrollView(
        child: Column(
          mainAxisSize: MainAxisSize.max,
          children: [
            const SizedBox(height: 5),
            const Text('Feedback, Anregungen, Ideen, Fehler und Verbesserungen', textAlign: TextAlign.center),
            const SizedBox(height: 15),
            const Text('Bitte gib keine geheimen Daten wie z.B. Passwörter weiter.', textAlign: TextAlign.center, style: TextStyle(fontSize: 11)),
            const SizedBox(height: 20),
            Padding(
              padding: const EdgeInsets.all(10),
              child: TextField(
                onChanged: (value) {
                  if(value.trim().toLowerCase() == 'ranzig') {
                    _feedbackInput.text = 'selber';
                  }
                },
                controller: _feedbackInput,
                autofocus: true,
                decoration: InputDecoration(
                  border: const OutlineInputBorder(),
                  label: const Text('Feedback und Verbesserungen'),
                  errorText: _textFieldEmpty ? 'Bitte gib eine Beschreibung an!' : null,
                ),
                minLines: 4,
                maxLines: 7,
                onTapOutside: (PointerDownEvent event) => FocusBehaviour.textFieldTapOutside(context),
              ),
            ),
            const SizedBox(height: 10),
            if(_image != null) Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                badges.Badge(
                  badgeContent: const Icon(Icons.close_outlined, size: 17),
                  badgeStyle: const badges.BadgeStyle(
                    padding: EdgeInsets.all(2),
                  ),
                  child: Container(
                    decoration: BoxDecoration(
                      borderRadius: const BorderRadius.all(Radius.circular(5)),
                      border: Border.all(
                        width: 3,
                        color: Theme.of(context).primaryColor,
                      ),
                    ),
                    height: 150,
                    child: Image(
                      image: Image.memory(_image!).image,
                      fit: BoxFit.contain,
                    ),
                  ),
                  onTap: () async {
                    setState(() {
                      _image = null;
                    });
                  },
                ),
              ],
            ),
            Padding(
              padding: const EdgeInsets.all(5),
              child: Visibility(
                visible: _error != null,
                child: Visibility(
                  visible: Provider.of<SettingsProvider>(context, listen: false).val().devToolsEnabled,
                  replacement: const Text('Senden fehlgeschlagen, bitte überprüfe die Internetverbindung.', textAlign: TextAlign.center, style: TextStyle(color: Colors.red)),
                  child: Text('Senden fehlgeschlagen: \n $_error', textAlign: TextAlign.center, style: const TextStyle(color: Colors.red)),
                ),
              ),
            ),
            Padding(
                padding: const EdgeInsets.only(right: 20, left: 10),
                child: Row(
                    mainAxisAlignment: MainAxisAlignment.end,
                    children: [
                      Visibility(
                        visible: _image == null,
                        child: IconButton(
                          onPressed: () async {
                            context.loaderOverlay.show();
                            var imageData = await (await FilePick.galleryPick())?.readAsBytes();
                            if(context.mounted) context.loaderOverlay.hide();
                            setState(() {
                              _image = imageData;
                            });
                          },
                          icon: const Icon(Icons.attach_file_outlined),
                        ),
                      ),
                      const Expanded(child: SizedBox.shrink()),
                      TextButton(
                        onPressed: () async {
                          if(_feedbackInput.text.isEmpty){
                            setState(() {
                              _textFieldEmpty = true;
                            });
                            return;
                          }
                          context.loaderOverlay.show();
                          AddFeedback(
                              AddFeedbackParams(
                                user: AccountData().getUserSecret(),
                                feedback: _feedbackInput.text,
                                screenshot: _image != null ? base64Encode(_image!) : null,
                                appVersion: int.parse((await PackageInfo.fromPlatform()).buildNumber),
                              )
                          ).run().then((value) {
                            Navigator.of(context).pop();
                            InfoDialog.show(context, 'Danke für dein Feedback!');
                            context.loaderOverlay.hide();
                          }).catchError((error, trace) {
                            setState(() {
                              _error = error.toString();
                            });
                            context.loaderOverlay.hide();
                          });
                        },
                        child: const Text('Senden'),
                      )
                    ]
                )
            )

          ],
        ),
      ),
    );
}