KonectarEvents/lib/view/insights.dart

import 'dart:math';

import 'package:fl_chart/fl_chart.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_scatter/flutter_scatter.dart';
import 'package:konectar_events/model/affiliationsmodel.dart';
import 'package:konectar_events/model/eventsdetailmodel.dart';
import 'package:konectar_events/model/neweventsmodel.dart';
import 'package:konectar_events/model/specialtymodel.dart';
import 'package:konectar_events/utils/constants.dart';
import 'package:konectar_events/utils/util.dart';
import 'package:konectar_events/viewmodel/eventsprovider.dart';
import 'package:konectar_events/viewmodel/hcpprofprovider.dart';
import 'package:konectar_events/widgets/chartline.dart';
import 'package:konectar_events/widgets/customappbar.dart';
import 'package:konectar_events/widgets/customeventsappbar.dart';
import 'package:konectar_events/widgets/flutter_hashtags.dart';
import 'package:konectar_events/widgets/piechart.dart';
import 'package:konectar_events/widgets/word_cloud.dart';
import 'package:provider/provider.dart';
import 'package:word_cloud/word_cloud_data.dart';
import 'package:word_cloud/word_cloud_view.dart';

class EventsInsights extends StatefulWidget {
  //EventsList eventsdetail;
  String eventid;
  List<FlutterHashtag> kFlutterHashtags = [];
  List<Specialty> specialtyList = [];
  Affiliations affiliations;
  EventsInsights(
      {super.key,
      required this.eventid,
      required this.kFlutterHashtags,
      required this.affiliations,
      required this.specialtyList});

  @override
  State<EventsInsights> createState() => _EventsInsightsState();
}

class _EventsInsightsState extends State<EventsInsights> {
  String _value = 'My Events Insights';

  int count = 0;
  String wordstring = '';

  @override
  void initState() {
    WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
      init();
    });

    super.initState();
  }

  init() async {
    await Provider.of<HcpProfileProvider>(context, listen: false)
        .getAllSessionNotesList(widget.eventid);

    setState(() {});
  }

  @override
  Widget build(BuildContext context) {
    final screenSize = MediaQuery.of(context).size;
    final ratio = screenSize.width / (screenSize.height / 2);
    List<int> affCountList = [];
    for (var obj in widget.affiliations.affiliationCount) {
      affCountList.add(int.parse(obj));
    }
    int maximum = affCountList.reduce(max);
    return Consumer<HcpProfileProvider>(
        builder: (BuildContext context, provider, Widget? child) {
      List<Widget> widgets = <Widget>[];
      for (var i = 0; i < widget.kFlutterHashtags.length; i++) {
        widgets.add(ScatterItem(widget.kFlutterHashtags[i], i));
      }
      return Scaffold(
        backgroundColor: EventsConstants.bgcolor,
        body: Padding(
          padding: const EdgeInsets.symmetric(horizontal: 12.0),
          child: SingleChildScrollView(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                // Text(
                //   '2024 Hematology/Oncology Pharmacy Association Annual Conference (HOPA)',
                //   style: TextStyle(
                //     color: Colors.blue,
                //     fontWeight: FontWeight.bold,
                //     fontSize: 17,
                //   ),
                //   maxLines: 2,
                //   softWrap: true,
                //   overflow: TextOverflow.ellipsis,
                // ),
                // Container(
                //   decoration: BoxDecoration(
                //       // color: Colors.white,
                //       border: Border.all(color: Colors.blueAccent)),
                //   width: 180,
                //   child: DropdownButton<String>(
                //     items: ["All Events Insights", "My Events Insights"]
                //         .map((String value) {
                //       return DropdownMenuItem<String>(
                //         value: value,
                //         child: Text(value),
                //       );
                //     }).toList(),
                //     value: _value,
                //     onChanged: (value) {
                //       setState(() {
                //         _value = value!;
                //       });
                //     },
                //   ),
                // ),
                // SizedBox(
                //   height: 20,
                // ),
                labelWidget("Topics Discussed"),
                Card(
                  surfaceTintColor: Colors.white,
                  child: Container(
                    padding: EdgeInsets.all(2.0),
                    margin: EdgeInsets.all(2.0),
                    height: screenSize.height / 2,
                    width: screenSize.width,
                    decoration: BoxDecoration(
                        color: Colors.white,
                        borderRadius: BorderRadius.all(Radius.circular(20))),
                    child: Center(
                      child: FittedBox(
                        child: Scatter(
                          fillGaps: true,
                          delegate:
                              ArchimedeanSpiralScatterDelegate(ratio: ratio),
                          children: widgets,
                        ),
                      ),
                    ),
                  ),
                ),
                SizedBox(
                  height: 20,
                ),
                labelWidget("Specialty of speakers"),
                Card(
                  surfaceTintColor: Colors.white,
                  child: Container(
                    padding: EdgeInsets.all(2.0),
                    margin: EdgeInsets.all(5.0),
                    height: screenSize.height / 2,
                    width: screenSize.width,
                    decoration: BoxDecoration(
                      borderRadius: BorderRadius.all(Radius.circular(20)),
                      color: Colors.white,
                    ),
                    child: CustomPieChart(
                      specialtyList: widget.specialtyList,
                    ),
                    // child: PieChartWidget([
                    //   Sector(
                    //       value: 35.0,
                    //       color: Colors.purple,
                    //       title: "35% Engineering"),
                    //   Sector(
                    //       value: 40, color: Colors.amber, title: "40% Development"),
                    //   Sector(value: 55, color: Colors.green, title: "55% Social"),
                    //   Sector(value: 70, color: Colors.orange, title: "70% Live"),
                    // ]),
                  ),
                ),
                SizedBox(
                  height: 20,
                ),
                labelWidget("Speaker counts by providers"),
                Card(
                  surfaceTintColor: Colors.white,
                  child: Container(
                      padding: EdgeInsets.all(12.0),
                      // margin: EdgeInsets.all(10.0),
                      // height: screenSize.height / 3,
                      width: screenSize.width,
                      decoration: BoxDecoration(
                        borderRadius: BorderRadius.all(Radius.circular(20)),
                        color: Colors.white,
                      ),
                      child: Column(
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: List.generate(
                            widget.affiliations.affiliationCount.length,
                            (index) {
                          return ChartLine(
                              title:
                                  widget.affiliations.affiliationNames[index],
                              number: int.parse(
                                  widget.affiliations.affiliationCount[index]),
                              rate: int.parse(widget.affiliations
                                          .affiliationCount[index]) ==
                                      maximum
                                  ? 1
                                  : int.parse(widget.affiliations
                                          .affiliationCount[index]) /
                                      maximum);
                        }),
                      )),
                ),
                SizedBox(
                  height: 20,
                ),
                labelWidget("Session Notes"),
                Card(
                  surfaceTintColor: Colors.white,
                  child: Container(
                      padding: EdgeInsets.all(4.0),
                      margin: EdgeInsets.all(4.0),
                      // height: screenSize.height / 3,
                      width: screenSize.width,
                      constraints: BoxConstraints(
                          maxHeight: provider.allSessionNotesList.length > 3
                              ? screenSize.height
                              : 400,
                          minHeight: 400),
                      // height: double.minPositive,
                      decoration: BoxDecoration(
                        borderRadius: BorderRadius.all(Radius.circular(20)),
                        color: Colors.white,
                      ),
                      child: provider.allSessionNotesList.isNotEmpty
                          ? ListView.separated(
                              padding: EdgeInsets.zero,
                              itemCount: provider.allSessionNotesList.length,
                              itemBuilder: (context, index) {
                                return ExpansionTile(
                                  initiallyExpanded: true,
                                  shape: Border(),
                                  expandedCrossAxisAlignment:
                                      CrossAxisAlignment.start,
                                  expandedAlignment: Alignment.topLeft,
                                  childrenPadding: EdgeInsets.all(8.0),
                                  title: Text(
                                      "\"${provider.allSessionNotesList[index].notes}\"",
                                      style: TextStyle(
                                          fontSize: 15,
                                          fontStyle: FontStyle.italic)),
                                  subtitle: Padding(
                                    padding: const EdgeInsets.symmetric(
                                        vertical: 8.0),
                                    child: Row(
                                      mainAxisAlignment:
                                          MainAxisAlignment.spaceBetween,
                                      children: [
                                        Text(
                                          "Added by: ${provider.allSessionNotesList[index].addedBy}",
                                          style: TextStyle(
                                              color: Colors.grey[900],
                                              fontSize: 12),
                                        ),
                                        Text(
                                          "On: ${provider.allSessionNotesList[index].addedDate}",
                                          style: TextStyle(
                                              color: Colors.grey[900],
                                              fontSize: 12),
                                        ),
                                      ],
                                    ),
                                  ),
                                  children: [
                                    Container(
                                      padding: EdgeInsets.all(8.0),
                                      // width: isTablet
                                      //     ? MediaQuery.of(context).size.width * 0.25
                                      //     : MediaQuery.of(context).size.width * 0.5,
                                      child: Column(
                                        crossAxisAlignment:
                                            CrossAxisAlignment.start,
                                        children: [
                                          Text(
                                            "Session: ${provider.allSessionNotesList[index].selectedSession}",
                                            maxLines: 3,
                                            style: TextStyle(
                                                // decoration: TextDecoration.underline,
                                                // decorationColor: Colors.blue,
                                                //fontFamily: "SourceSerif",
                                                color: Colors.grey[700],

                                                //fontStyle: FontStyle.italic,
                                                fontSize: 14),
                                          ),
                                          SizedBox(
                                            height: 5,
                                          ),
                                          Text(
                                            "Speaker: ${provider.allSessionNotesList[index].hcpname}",
                                            maxLines: 3,
                                            style: TextStyle(
                                                // decoration: TextDecoration.underline,
                                                // decorationColor: Colors.blue,
                                                //fontFamily: "SourceSerif",
                                                color: Colors.grey[700],

                                                //fontStyle: FontStyle.italic,
                                                fontSize: 14),
                                          ),
                                        ],
                                      ),
                                    ),
                                    // Text(
                                    //   "Notes : ${sessionNotesList[index]}",
                                    //   maxLines: 3,
                                    //   style: TextStyle(
                                    //       // decoration: TextDecoration.underline,
                                    //       // decorationColor: Colors.blue,
                                    //       fontFamily: "SourceSerif",
                                    //       color: Colors.grey[700],

                                    //       //fontStyle: FontStyle.italic,
                                    //       fontSize: 14),
                                    // ),
                                  ],
                                );
                              },
                              separatorBuilder:
                                  (BuildContext context, int index) {
                                return Divider();
                              },
                              // separatorBuilder: (context, index) {
                              //   return Divider();
                              // },
                            )
                          : Center(child: Text("No added session notes"))),
                ),
              ],
            ),
          ),
        ),
      );
    });
  }

  Widget labelWidget(String title) {
    return Text(
      title,
      style: TextStyle(
        color: Colors.black,
        fontWeight: FontWeight.bold,
        fontSize: 17,
      ),
      maxLines: 2,
      softWrap: true,
      overflow: TextOverflow.ellipsis,
    );
  }

  Widget bargraph() {
    return BarChart(BarChartData(
        borderData: FlBorderData(
            border: const Border(
          top: BorderSide(width: 1),
          right: BorderSide(width: 1),
          left: BorderSide.none,
          bottom: BorderSide.none,
        )),
        groupsSpace: 10,
        barGroups: [
          BarChartGroupData(
              x: 1,
              barRods: [
                BarChartRodData(
                    fromY: 0, toY: 10, width: 15, color: Colors.amber),
              ],
              groupVertically: false),
          BarChartGroupData(x: 2, groupVertically: false, barRods: [
            BarChartRodData(fromY: 0, toY: 10, width: 15, color: Colors.amber),
          ]),
          BarChartGroupData(x: 3, groupVertically: false, barRods: [
            BarChartRodData(fromY: 0, toY: 15, width: 15, color: Colors.amber),
          ]),
          BarChartGroupData(x: 4, groupVertically: false, barRods: [
            BarChartRodData(fromY: 0, toY: 10, width: 15, color: Colors.amber),
          ]),
          BarChartGroupData(x: 5, groupVertically: false, barRods: [
            BarChartRodData(fromY: 0, toY: 11, width: 15, color: Colors.amber),
          ]),
          BarChartGroupData(x: 6, groupVertically: false, barRods: [
            BarChartRodData(fromY: 0, toY: 10, width: 15, color: Colors.amber),
          ]),
          BarChartGroupData(x: 7, groupVertically: false, barRods: [
            BarChartRodData(fromY: 0, toY: 10, width: 15, color: Colors.amber),
          ]),
          BarChartGroupData(x: 8, groupVertically: false, barRods: [
            BarChartRodData(fromY: 0, toY: 10, width: 15, color: Colors.amber),
          ]),
        ]));
  }
}

class PieChartWidget extends StatelessWidget {
  final List<Sector> sectors;

  const PieChartWidget(this.sectors, {Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return AspectRatio(
        aspectRatio: 1.0,
        child: PieChart(PieChartData(
          sections: _chartSections(sectors),
          centerSpaceRadius: 58.0,
        )));
  }

  List<PieChartSectionData> _chartSections(List<Sector> sectors) {
    final List<PieChartSectionData> list = [];
    for (var sector in sectors) {
      const double radius = 40.0;
      final data = PieChartSectionData(
        color: sector.color,
        value: sector.value,
        radius: radius,
        title: sector.title,
      );
      list.add(data);
    }
    return list;
  }
}

class SmallPieChartWidget extends StatelessWidget {
  final List<Sector> sectors;

  const SmallPieChartWidget(this.sectors, {Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return AspectRatio(
        aspectRatio: 2.0,
        child: PieChart(PieChartData(
          sections: _chartSections(sectors),
          centerSpaceRadius: 2.0,
        )));
  }

  List<PieChartSectionData> _chartSections(List<Sector> sectors) {
    final List<PieChartSectionData> list = [];
    for (var sector in sectors) {
      const double radius = 100.0;
      final data = PieChartSectionData(
        color: sector.color,
        value: sector.value,
        radius: radius,
        title: sector.title,
      );
      list.add(data);
    }
    return list;
  }
}

class Sector {
  final Color color;
  final double value;
  final String title;
  Sector({required this.color, required this.value, required this.title});
}