import 'dart:convert';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:healthcare_user/common/settings.dart';
import 'package:image_picker/image_picker.dart';
import 'package:video_player/video_player.dart';
import 'package:flick_video_player/flick_video_player.dart';
import 'package:flutter_sound/flutter_sound.dart';
import 'package:assets_audio_player/assets_audio_player.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:intl/date_symbol_data_local.dart';
import 'dart:async';
import 'package:flutter/cupertino.dart';
import 'package:path/path.dart' as path;
import 'package:intl/intl.dart' show DateFormat;
import 'package:path_provider/path_provider.dart';

class ReportMySelf extends StatefulWidget {
  const ReportMySelf({Key? key}) : super(key: key);

  @override
  State<ReportMySelf> createState() => _ReportMySelfState();
}

class _ReportMySelfState extends State<ReportMySelf> {

  TextEditingController problemNameController = TextEditingController();
  TextEditingController descriptionController = TextEditingController();
  TextEditingController dateInput = TextEditingController();
  final ImagePicker _picker = ImagePicker();
  String videoUrl='';
  late VideoPlayerController _controller;
  late Future<void> _initializeVideoPlayerFuture;
  late FlickManager flickManager;
  late FlutterSoundRecorder _recordingSession;
  final recordingPlayer = AssetsAudioPlayer();
  String pathToAudio='';
  bool _playAudio = false;
  String _timerText = '00:00:00';
  bool isAudioButtonPressed=false;
  String recordingTime = '0:0'; // to store value
  bool isRecording = false;
  String problemPictureUrl='';

  void initializer() async {
    pathToAudio = '/sdcard/Download/temp.wav';
    _recordingSession = FlutterSoundRecorder();
    await _recordingSession.openAudioSession(
        focus: AudioFocus.requestFocusAndStopOthers,
        category: SessionCategory.playAndRecord,
        mode: SessionMode.modeDefault,
        device: AudioDevice.speaker);
    await _recordingSession.setSubscriptionDuration(Duration(milliseconds: 10));
    await initializeDateFormatting();
    await Permission.microphone.request();
    await Permission.storage.request();
    await Permission.manageExternalStorage.request();
  }

  @override
  void initState() {
    super.initState();
    _controller = VideoPlayerController.networkUrl(
      Uri.parse(videoUrl,),
    );
    flickManager = FlickManager(
        videoPlayerController:
        VideoPlayerController.networkUrl(Uri.parse(videoUrl,),)
    );
    _initializeVideoPlayerFuture = _controller.initialize();
    _controller.setLooping(false);

    /*initializer();*/
  }

  @override
  void dispose() {
    // Ensure disposing of the VideoPlayerController to free up resources.
    _controller.dispose();
    flickManager.dispose();
    _recordingSession.dispositionStream();
    pathToAudio='';
    super.dispose();
    recordingPlayer.stop();
    _deleteCacheDir();
    _deleteAppDir();
  }

  Future<void> _deleteCacheDir() async {
    Directory tempDir = await getTemporaryDirectory();

    if (tempDir.existsSync()) {
      tempDir.deleteSync(recursive: true);
    }
  }

  Future<void> _deleteAppDir() async {
    Directory appDocDir = await getApplicationDocumentsDirectory();

    if (appDocDir.existsSync()) {
      appDocDir.deleteSync(recursive: true);
    }
  }

  Future<void> startRecording() async {
    initializer();

    setState(() {
      isRecording=true;
    });
    Directory directory = Directory(path.dirname(pathToAudio));
    if (!directory.existsSync()) {
      directory.createSync();
    }
    _recordingSession=(await FlutterSoundRecorder().openAudioSession())!;

    await _recordingSession.startRecorder(
      toFile: pathToAudio,
      codec: Codec.pcm16WAV,
    );
    recordTime();
    StreamSubscription _recorderSubscription = _recordingSession.onProgress!.listen((e) {

      /*var date = DateTime.fromMillisecondsSinceEpoch(e.duration.inMilliseconds,
          isUtc: true);
      var timeText = DateFormat('mm:ss:SS', 'en_GB').format(date);
      setState(() {
        _timerText = timeText.substring(0, 8);
      });*/
    });
    _recorderSubscription.cancel();
  }



  void recordTime() {

    var startTime = DateTime.now();
    Timer.periodic(const Duration(seconds: 1), (Timer t) {
      var diff = DateTime.now().difference(startTime);



      if (!isRecording) {
        t.cancel(); //cancel function calling
      }

      setState(() {
        recordingTime =
        '${diff.inHours < 60 ? diff.inHours : 0}:${diff.inMinutes < 60 ? diff.inMinutes : 0}:${diff.inSeconds < 60 ? diff.inSeconds : 0}';

        print(recordingTime);
      });
    });
  }

  Future<String?> stopRecording() async {

    setState(() {
      isRecording=false;
    });
    _recordingSession.closeAudioSession();
    return await _recordingSession.stopRecorder();
  }

  Future<void> playFunc() async {
    recordingPlayer.open(
      Audio.file(pathToAudio),
      autoStart: true,
      showNotification: true,
    );
  }

  Future<void> stopPlayFunc() async {
    recordingPlayer.stop();
  }

  Future takeVideoFromCamera() async {
    try {
      final image = await _picker.pickVideo(source: ImageSource.camera);
      if (image == null) return;
      final imageTemp = File(image.path);
      AppSettings.preLoaderDialog(context);
      var res = await AppSettings.uploadVideoInReportMySelf(image);
      print(jsonDecode(res));
      Navigator.of(context, rootNavigator: true).pop();
      setState(() {
        videoUrl = jsonDecode(res)['picture'];
        _controller = VideoPlayerController.networkUrl(Uri.parse(videoUrl,),);
        flickManager = FlickManager(
            videoPlayerController:
            VideoPlayerController.networkUrl(Uri.parse(videoUrl,),)
        );
      });

      _initializeVideoPlayerFuture = _controller.initialize();
      _controller.setLooping(true);
    } on PlatformException catch (e) {
      print('Failed to pick video: $e');
    }
  }

  Future pickVideoFromGallery() async {
    try {
      final image = await _picker.pickVideo(source: ImageSource.gallery);
      if (image == null) return;
      final imageTemp = File(image.path);

      AppSettings.preLoaderDialog(context);
      var res = await AppSettings.uploadVideoInReportMySelf(image);
      print(jsonDecode(res));
      Navigator.of(context, rootNavigator: true).pop();
      setState(() {
        videoUrl = jsonDecode(res)['picture'];
        _controller = VideoPlayerController.networkUrl(Uri.parse(videoUrl,),);
      });

      _initializeVideoPlayerFuture = _controller.initialize();
      _controller.setLooping(true);
    } on PlatformException catch (e) {
      print('Failed to pick video: $e');
    }
  }


  Future pickImageFromGallery() async {
    try {
      final image = await _picker.pickImage(source: ImageSource.gallery);
      if (image == null) return;
      final imageTemp = File(image.path);
      AppSettings.preLoaderDialog(context);
      var res = await AppSettings.uploadReportMyselfPicture(image);
      print(jsonDecode(res));
      Navigator.of(context, rootNavigator: true).pop();
      setState(() {
        problemPictureUrl = jsonDecode(res)['pictures'][0];
      });
    } on PlatformException catch (e) {
      print('Failed to pick image: $e');
    }
  }

  Future takeImageFromCamera() async {
    try {
      final image = await _picker.pickImage(source: ImageSource.camera);
      if (image == null) return;
      final imageTemp = File(image.path);
      AppSettings.preLoaderDialog(context);
      var res = await AppSettings.uploadReportMyselfPicture(image);
      print(jsonDecode(res));
      Navigator.of(context, rootNavigator: true).pop();
      setState(() {
        problemPictureUrl = jsonDecode(res)['pictures'][0];
      });
    } on PlatformException catch (e) {
      print('Failed to pick image: $e');
    }
  }


  @override
  Widget build(BuildContext context) {
    return  Scaffold(
      appBar: AppSettings.appBar('Report MySelf'),
      body: SingleChildScrollView(
        child: Container(
          child: Padding(
            padding: EdgeInsets.all(10),
            child:Column(
              children: [
                Container(
                  child: TextFormField(
                    cursorColor: greyColor,
                    controller: problemNameController,
                    textCapitalization: TextCapitalization.words,
                    decoration: const InputDecoration(
                      prefixIcon: Icon(
                        Icons.report_problem,
                        color: greyColor,
                      ),
                      border: OutlineInputBorder(
                          borderSide: BorderSide(color: primaryColor)),
                      focusedBorder: OutlineInputBorder(
                        borderSide: BorderSide(color:primaryColor),
                      ),
                      enabledBorder: OutlineInputBorder(
                        borderSide: BorderSide(color: primaryColor),
                      ),
                      labelText: 'Enter problem name',
                      labelStyle: TextStyle(
                        color: greyColor, //<-- SEE HERE
                      ),
                    ),
                  ),
                ),
                const SizedBox(
                  height: 10,
                ),
                Container(
                  child: TextFormField(
                    cursorColor: greyColor,
                    controller: descriptionController,
                    textCapitalization: TextCapitalization.words,
                    decoration: const InputDecoration(
                      prefixIcon: Icon(
                        Icons.description,
                        color: greyColor,
                      ),
                      border: OutlineInputBorder(
                          borderSide: BorderSide(color: primaryColor)),
                      focusedBorder: OutlineInputBorder(
                        borderSide: BorderSide(color:primaryColor),
                      ),
                      enabledBorder: OutlineInputBorder(
                        borderSide: BorderSide(color: primaryColor),
                      ),
                      labelText: 'Description',
                      labelStyle: TextStyle(
                        color: greyColor, //<-- SEE HERE
                      ),
                    ),
                  ),
                ),
                SizedBox(height: 10),
                Container(
                  child: TextFormField(
                    cursorColor: greyColor,
                    controller: dateInput,
                    decoration: textFormFieldDecorationBMI(
                        Icons.calendar_today, 'Enter Date'),
                    readOnly: true,
                    onTap: () async {
                      DateTime? pickedDate = await showDatePicker(
                        context: context,
                        initialDate: DateTime.now(),
                        firstDate: DateTime(1950),
                        lastDate: DateTime.now(),
                        builder: (BuildContext context, Widget? child) {
                          return Theme(
                            data: ThemeData.dark().copyWith(
                              colorScheme: ColorScheme.dark(
                                primary: buttonColors,
                                onPrimary: Colors.white,
                                surface: buttonColors,
                                onSurface: Colors.white,
                              ),
                              dialogBackgroundColor: primaryColor,
                            ),
                            child: child!,
                          );
                        },
                      );

                      if (pickedDate != null) {
                        print(
                            pickedDate); //pickedDate output format => 2021-03-10 00:00:00.000
                        String formattedDate =
                        DateFormat('dd-MM-yyyy').format(pickedDate);
                        print(
                            formattedDate); //formatted date output using intl package =>  2021-03-16
                        setState(() {
                          dateInput.text =
                              formattedDate; //set output date to TextField value.
                        });
                      } else {}
                    },
                  ),
                ),
                SizedBox(height: 10),
                Row(
                  children: [

                    IconButton(
                      icon:  Icon(
                        Icons.audio_file,
                        color: primaryColor,
                        size: 40,
                      ),
                      onPressed: () {

                        if(!isAudioButtonPressed){
                          setState(() {
                            isAudioButtonPressed=true;
                          });
                        }
                        else{
                          setState(() {
                            isAudioButtonPressed=false;
                            pathToAudio='';
                            recordingTime = '0:0';
                          });
                        }


                      },
                    ),
                    SizedBox(width: 10,),
                    IconButton(
                      icon:  Icon(
                        Icons.video_camera_back_rounded,
                        color: primaryColor,
                        size: 40,
                      ),
                      onPressed: () {
                        showModalBottomSheet<void>(
                            context: context,
                            builder: (BuildContext context) {
                              return SizedBox(
                                height: 200,
                                child: Center(
                                  child: Row(
                                    mainAxisAlignment: MainAxisAlignment.center,
                                    children: <Widget>[
                                      GestureDetector(
                                        child: Icon(
                                          Icons.camera_alt_outlined,
                                          size: 100,
                                          color: primaryColor,
                                        ),
                                        onTap: () async {
                                          await takeVideoFromCamera();
                                          Navigator.pop(context);
                                        },
                                      ),
                                      SizedBox(
                                        width: MediaQuery.of(context).size.width * .20,
                                      ),
                                      GestureDetector(
                                        child: Icon(
                                          Icons.photo,
                                          size: 100,
                                          color: primaryColor,
                                        ),
                                        onTap: () async {
                                          await pickVideoFromGallery();
                                          Navigator.pop(context);
                                        },
                                      ),
                                    ],
                                  ),
                                ),
                              );
                            });
                      },
                    ),
                    SizedBox(width: 10,),
                    IconButton(
                      icon:  Icon(
                        Icons.image,
                        color: primaryColor,
                        size: 40,
                      ),
                        onPressed: () async {
                          showModalBottomSheet<void>(
                              context: context,
                              builder: (BuildContext context) {
                                return SizedBox(
                                  height: 200,
                                  child: Center(
                                    child: Row(
                                      mainAxisAlignment: MainAxisAlignment.center,
                                      children: <Widget>[
                                        GestureDetector(
                                          child: Icon(
                                            Icons.camera_alt_outlined,
                                            size: 100,
                                            color: primaryColor,
                                          ),
                                          onTap: () async {
                                            await takeImageFromCamera();
                                            Navigator.pop(context);
                                          },
                                        ),
                                        SizedBox(
                                          width:
                                          MediaQuery.of(context).size.width *
                                              .20,
                                        ),
                                        GestureDetector(
                                          child: Icon(
                                            Icons.photo,
                                            size: 100,
                                            color: primaryColor,
                                          ),
                                          onTap: () async {
                                            await pickImageFromGallery();
                                            Navigator.pop(context);
                                          },
                                        ),
                                      ],
                                    ),
                                  ),
                                );
                              });
                        },

                    ),
                    /*SizedBox(width: 10,),
                  IconButton(
                    icon:  Icon(
                      Icons.description,
                      color: primaryColor,
                      size: 40,
                    ),
                    onPressed: () {

                    },
                  ),*/
                  ],
                ),
                Visibility(
                    visible: isAudioButtonPressed,
                    child: Column(
                      children: [
                        Container(
                          child: Center(
                            child: Text(
                              recordingTime,
                              style: TextStyle(fontSize: 70, color: Colors.red),
                            ),
                          ),
                        ),
                        SizedBox(
                          height: 20,
                        ),
                        Row(
                          mainAxisAlignment: MainAxisAlignment.center,
                          children: <Widget>[

                            IconButton(
                              icon:  Icon(
                                Icons.mic,
                                color: !isRecording?Colors.red:greyColor,
                              ),
                              onPressed: () {

                                if(!isRecording){
                                  startRecording();
                                }
                                else{
                                  AppSettings.longSuccessToast('please stop recording');
                                }

                              },
                            ),
                            SizedBox(
                              width: 30,
                            ),
                            IconButton(
                              icon:  Icon(
                                Icons.stop,
                                color: isRecording?Colors.red:greyColor,
                              ),
                              onPressed: () {
                                if(isRecording){
                                  stopRecording();
                                }
                                else{
                                  AppSettings.longSuccessToast('please start recording');
                                }

                              },
                            ),
                          ],
                        ),
                        SizedBox(
                          height: 20,
                        ),

                        Visibility(
                            visible: pathToAudio!=''&&!isRecording,
                            child:Row(
                              crossAxisAlignment: CrossAxisAlignment.center,
                              mainAxisAlignment: MainAxisAlignment.center,
                              children: [
                                ElevatedButton.icon(
                                  style:
                                  ElevatedButton.styleFrom(elevation: 9.0, primary: Colors.red),
                                  onPressed: () {
                                    setState(() {
                                      _playAudio = !_playAudio;
                                    });
                                    if (_playAudio) playFunc();
                                    if (!_playAudio) stopPlayFunc();
                                  },
                                  icon: _playAudio
                                      ? Icon(
                                    Icons.stop,
                                  )
                                      : Icon(Icons.play_arrow),
                                  label: _playAudio
                                      ? Text(
                                    "Stop",
                                    style: TextStyle(
                                      fontSize: 28,
                                    ),
                                  )
                                      : Text(
                                    "Play",
                                    style: TextStyle(
                                      fontSize: 28,
                                    ),
                                  ),
                                ),
                                IconButton(
                                  icon:  Icon(
                                    Icons.delete,
                                    color: Colors.red,
                                    size: 30,
                                  ),
                                  onPressed: () {

                                    setState(() {
                                      pathToAudio='';
                                      recordingTime = '0:0';
                                    });
                                  },
                                ),
                              ],
                            )
                        )


                      ],
                    )),
                Visibility(
                  visible: videoUrl != '',
                  child: Padding(
                    padding: EdgeInsets.all(10),
                    child:  Container(
                      height: MediaQuery.of(context).size.height * .30,
                      width: double.infinity,
                      child:FlickVideoPlayer(
                        flickManager: flickManager,
                        flickVideoWithControls: FlickVideoWithControls(
                          videoFit: BoxFit.fill,
                          controls: FlickPortraitControls(
                            progressBarSettings:
                            FlickProgressBarSettings(playedColor: Colors.green),
                          ),
                        ),

                      ),



                      /*FutureBuilder(
                            future: _initializeVideoPlayerFuture,
                            builder: (context, snapshot) {
                              if (snapshot.connectionState == ConnectionState.done) {
                                return AspectRatio(
                                  aspectRatio: _controller.value.aspectRatio,
                                  child: VideoPlayer(_controller),
                                );
                              } else {
                                return const Center(
                                  child: CircularProgressIndicator(),
                                );
                              }
                            },
                          ),*/
                    ),



                  ),
                ),
                Visibility(
                  visible: problemPictureUrl!='',
                    child: Container(
                      width: double.infinity,
                      height:
                      MediaQuery.of(context).size.height *
                          .30,
                      decoration: BoxDecoration(
                          shape: BoxShape.rectangle,
                          image: DecorationImage(
                              image: NetworkImage(problemPictureUrl) as ImageProvider, // picked file
                              fit: BoxFit.fill)),
                      child: Stack(children: [
                        Positioned(
                          right: 0,
                          child: Container(
                            child: IconButton(
                              iconSize: 30,
                              icon: const Icon(
                                Icons.cancel,
                                color: Colors.red,
                              ),
                              onPressed: () async {

                                setState(() {
                                  problemPictureUrl='';
                                });
                              },
                            ),
                          ),
                        )
                      ]),
                    ),),

                SizedBox(height: 10),
                Container(
                    width: double.infinity,
                    height:
                    MediaQuery.of(context).size.height * .05,
                    child: ElevatedButton(
                      style: ElevatedButton.styleFrom(
                        primary: buttonColors, // background
                        onPrimary: Colors.black, // foreground
                      ),
                      onPressed: () async {

                        if(problemNameController.text!=''&&(pathToAudio!=''||problemPictureUrl!=''||videoUrl!='')&&dateInput.text!=''){

                          AppSettings.preLoaderDialog(context);
                          bool isOnline =
                          await AppSettings.internetConnectivity();

                          if (isOnline) {
                            var payload = new Map<String, dynamic>();

                            List picture=[];
                            picture.add({'url':problemPictureUrl});


                            payload["name"] = problemNameController.text.toString();
                            payload["description"] = descriptionController.text.toString();
                            payload["date"] = dateInput.text.toString();
                            payload["audio"] =pathToAudio.toString();
                            payload["video"] = videoUrl.toString();
                            payload["picture"] = picture;

                            bool uploadStatus = await AppSettings.addReportMySelfProblem(payload);

                            try {
                              if (uploadStatus) {
                                Navigator.of(context, rootNavigator: true)
                                    .pop();
                                AppSettings.longSuccessToast(
                                    'Report problem  added successfully');
                                Navigator.pop(context);
                              } else {
                                Navigator.of(context, rootNavigator: true)
                                    .pop();
                                AppSettings.longFailedToast(
                                    'Fail to add report problem details');
                              }
                            } catch (e) {
                              print(e);
                              Navigator.of(context, rootNavigator: true)
                                  .pop();
                              AppSettings.longFailedToast(
                                  'Fail to add report problem details');
                            }

                        }

                          else{
                            AppSettings.longFailedToast('please check internet connection');
                          }
                        }
                        else{
                          AppSettings.longFailedToast('please enter valid details');
                        }




                      },
                      child: const Text('Report a problem'),
                    )),


              ],
            ),
          ),
        ),
      )
    );
  }
}