import 'dart:math';

import 'package:avatar_stack/avatar_stack.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';
import 'package:intl/intl.dart';
import 'package:konectar_events/model/eventsdetailmodel.dart';
import 'package:konectar_events/model/sessionnotesmodel.dart';
import 'package:konectar_events/utils/constants.dart';
import 'package:konectar_events/utils/dateformater.dart';
import 'package:konectar_events/utils/util.dart';
import 'package:konectar_events/viewmodel/hcpprofprovider.dart';
import 'package:konectar_events/widgets/customdropdown.dart';
import 'package:provider/provider.dart';

class HCPProfileScreen extends StatefulWidget {
  Eventsdetail eventsdetail;
  String eventid;
  String title;
  HCPProfileScreen(
      {super.key,
      required this.eventsdetail,
      required this.eventid,
      required this.title});

  @override
  State<HCPProfileScreen> createState() => _HCPProfileScreenState();
}

class _HCPProfileScreenState extends State<HCPProfileScreen> {
  String? _selectedFruit;
  bool isExtended = false;
  List<String> sessionList = [];
  final List<String> _fruits = ['Events', 'Sessions'];
  final List<String> topics = [
    "	Admin. & Managemente",
    "Cyclin-Dependent Kinase 4 | Cyclin-Dependent Kinase 6 | Breast Neoplasms"
  ];
  final List<String> sessions = [
    "Program Committee",
    "Practical Application of CDK 4/6 Inhibitor"
  ];
  TextEditingController notesController = TextEditingController(text: "");
  List<String> sessionNotesList = [];
  Future<void> dialogBuilder(BuildContext context, Eventsdetail eventsdetail) {
    return showDialog<void>(
      context: context,
      builder: (BuildContext context) {
        return AlertDialog(
          title: const Text('Session Notes'),
          content: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Container(
                  padding: const EdgeInsets.all(8.0),
                  decoration: BoxDecoration(
                      border: Border.all(color: Colors.grey),
                      borderRadius: BorderRadius.circular(8.0)),
                  child: dropDown(underline: Container())),
              TextFormField(
                validator: (value) {
                  // add email validation
                  if (value == null || value.isEmpty) {
                    return 'Please enter some text';
                  }

                  // bool emailValid = RegExp(
                  //         r"^[a-zA-Z0-9.a-zA-Z0-9.!#$%&'*+-/=?^_`{|}~]+@[a-zA-Z0-9]+\.[a-zA-Z]+")
                  //     .hasMatch(value);
                  // if (!emailValid) {
                  //   return 'Please enter a valid email';
                  // }

                  return null;
                },
                decoration: const InputDecoration(
                  labelText: 'Notes',
                  hintText: 'Notes',
                  prefixIcon: Icon(Icons.email_outlined),
                  border: OutlineInputBorder(),
                ),
              ),
            ],
          ),
          actions: <Widget>[
            TextButton(
              style: TextButton.styleFrom(
                textStyle: Theme.of(context).textTheme.labelLarge,
              ),
              child: const Text('Submit'),
              onPressed: () {
                Navigator.of(context).pop();
              },
            ),
            TextButton(
              style: TextButton.styleFrom(
                textStyle: Theme.of(context).textTheme.labelLarge,
              ),
              child: const Text('Cancel'),
              onPressed: () {
                Navigator.of(context).pop();
              },
            ),
          ],
        );
      },
    );
  }

  Widget dropDown({
    Widget? underline,
    Widget? icon,
    TextStyle? style,
    TextStyle? hintStyle,
    Color? dropdownColor,
  }) =>
      DropdownButton<String>(
          value: _selectedFruit,
          underline: underline,
          icon: Align(alignment: Alignment.centerRight, child: icon),
          dropdownColor: dropdownColor,
          isExpanded: true,
          style: TextStyle(
            //fontFamily: "SourceSerif",
            color: Colors.black,
            fontSize: 14.0,
          ),
          // iconEnabledColor: iconEnabledColor,
          onChanged: (String? newValue) {
            setState(() {
              _selectedFruit = newValue;
            });
          },
          hint: Text("Select Session", style: hintStyle),
          items: sessionList
              .map((session) => DropdownMenuItem<String>(
                  value: session, child: Text(session)))
              .toList());

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

    super.initState();
  }

  init() async {
    await Provider.of<HcpProfileProvider>(context, listen: false)
        .getSessionData();
    await Provider.of<HcpProfileProvider>(context, listen: false)
        .getCounts(widget.eventsdetail);
    setState(() {});
  }

  Widget build(BuildContext context) {
    return Consumer<HcpProfileProvider>(
        builder: (BuildContext context, provider, Widget? child) {
      return DefaultTabController(
          length: 3,
          child: Scaffold(
            appBar: AppBar(
              // title: Text(""),
              automaticallyImplyLeading: false,
              backgroundColor: EventsConstants.blueColor,
              centerTitle: false,
              flexibleSpace: FlexibleSpaceBar(
                background: Padding(
                  padding: const EdgeInsets.only(top: 2.0, right: 2.0),
                  child: Row(
                    // alignment: Alignment.center,
                    // fit: StackFit.expand,
                    crossAxisAlignment: CrossAxisAlignment.center,
                    // mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      IconButton(
                        icon: Icon(
                          Icons.arrow_back_ios,
                          size: 18,
                          color: Colors.white,
                        ),
                        onPressed: () {
                          Navigator.pop(context);
                        },
                      ),
                      // SizedBox(
                      //   width: 40,
                      // ),
                      Expanded(
                        child: Text(
                          "${widget.title}",
                          //maxLines: 4,
                          //softWrap: true,
                          style: TextStyle(
                            overflow: TextOverflow.ellipsis,
                            // decoration: TextDecoration.underline,
                            // decorationColor: Colors.blue,
                            color: Colors.white,

                            //fontWeight: FontWeight.bold,
                            fontSize: isTablet ? 22 : 14,
                          ),
                        ),
                      ),
                    ],
                  ),
                ),
              ),
            ),
            body: NestedScrollView(
              headerSliverBuilder:
                  (BuildContext context, bool innerBoxIsScrolled) {
                return <Widget>[
                  SliverAppBar(
                    expandedHeight: 280.0,
                    // expandedHeight: MediaQuery.of(context).size.height * 0.25,
                    backgroundColor: EventsConstants.bgcolor,
                    automaticallyImplyLeading: false,
                    floating: false,
                    pinned: false,
                    stretch: true,
                    flexibleSpace: FlexibleSpaceBar(
                        centerTitle: true,
                        collapseMode: CollapseMode.parallax,
                        // title: Text("",
                        //     style: TextStyle(
                        //       color: Colors.black,
                        //       fontSize: 16.0,
                        //     )),
                        title: SizedBox.shrink(),
                        background: buildCardView(
                            context, widget.eventsdetail, provider)

                        // Image.network(
                        //   "https://images.pexels.com/photos/417173/pexels-photo-417173.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=750&w=1260",
                        //   fit: BoxFit.cover,
                        // )
                        ),
                  ),
                  SliverPersistentHeader(
                    pinned: true,
                    floating: true,
                    delegate: _SliverAppBarDelegate(
                      const TabBar(
                        isScrollable: false,

                        indicatorSize: TabBarIndicatorSize.tab,
                        tabAlignment: TabAlignment.fill,
                        labelColor: Colors.white,
                        indicatorColor: Colors.white,
                        labelStyle: TextStyle(
                          fontWeight: FontWeight.bold,
                        ),
                        labelPadding: EdgeInsets.all(2),
                        indicatorWeight: 4.0,
                        //Color.fromARGB(255, 5, 36, 62)
                        unselectedLabelColor: Colors.grey,
                        tabs: _tabs,
                      ),
                    ),
                  ),
                ];
              },
              body: TabBarView(children: [
                topicsTab(widget.eventsdetail),
                sessionNotes(context, widget.eventsdetail, provider),
                medicalInsights(),
                // sessionNotes(context)
              ]
                  // _tabs
                  //     .map((e) => Center(
                  //           child: FloatingActionButton.extended(
                  //             backgroundColor:
                  //                 const Color.fromARGB(255, 222, 237, 247),
                  //             onPressed: () {},
                  //             heroTag: 'follow',
                  //             elevation: 0,
                  //             label: const Text("Add Notes"),
                  //             icon: const Icon(Icons.add),
                  //           ),
                  //           // Text("${e.text}", textAlign: TextAlign.center),
                  //         ))
                  //     .toList()),
                  ),
            ),
          ));
    });
  }

  buildprofile(BuildContext context, Eventsdetail eventsdetail, String title) {
    MediaQuery.of(context).size.height * 0.35;

    return Container(
        //color: Colors.yellowAccent,
        child: Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      mainAxisSize: MainAxisSize.min,
      //mainAxisAlignment: MainAxisAlignment.spaceAround,
      children: [
        Stack(clipBehavior: Clip.none, alignment: Alignment.center, children: [
          Container(
            width: MediaQuery.of(context).size.width, // Adjust width as needed
            height: 140, // Adjust height as needed
            decoration: BoxDecoration(
              gradient: LinearGradient(
                  begin: Alignment.bottomCenter,
                  end: Alignment.topCenter,
                  colors: [
                    EventsConstants.blueColor,
                    EventsConstants.blueColor,
                    EventsConstants.blueColor,
                    // const Color.fromARGB(255, 222, 237, 247),
                    // const Color.fromARGB(255, 222, 237, 247),
                    // Color(0xff006df1)
                  ]),
            ),
            child: Column(
              mainAxisAlignment: MainAxisAlignment.start,
              children: [
                SizedBox(
                  height: 15,
                ),
                Text(eventsdetail.kolFullName!,
                    style: TextStyle(
                        fontSize: 20,
                        // fontFamily: "SourceSerif",
                        color: Colors.white,
                        fontWeight: FontWeight.bold)),
                // Text("Hematology/Oncology",
                //     style: TextStyle(
                //       color: Colors.white,
                //       // fontFamily: "SourceSerif",
                //     )),
                Text(
                    "${eventsdetail.orgName ?? ""}  ${eventsdetail.country ?? ""}  ${eventsdetail.city ?? ""}",
                    softWrap: true,
                    maxLines: 2,
                    textAlign: TextAlign.center,
                    style: TextStyle(
                      color: Colors.white,
                      // fontFamily: "SourceSerif",
                      fontSize: 14,
                    )),
              ],
            ),
          ),
          // Column(
          //   mainAxisAlignment: MainAxisAlignment.start,
          //   children: [
          //     Text1(
          //         title: "Dr " + widget.text!["name"],
          //         txtcolor: Colors.white,
          //         fontweight: FontWeight.normal,
          //         txtfont: 22.0),
          //     Text1(
          //         title: widget.text!["speciality"],
          //         txtcolor: Colors.white,
          //         fontweight: FontWeight.normal,
          //         txtfont: 15.0),
          //   ],
          // ),
          Positioned(
            bottom: -45,
            child: Container(
              // child: widget.text["img_path"] == null
              //     ? ProfilePicture(
              //         name: widget.text!["name"],
              //         radius: 38,
              //         fontsize: 21,
              //       )
              child: ClipOval(
                child: SizedBox.fromSize(
                  size: Size.fromRadius(48),
                  child: SizedBox(
                    width: 120,
                    height: 120,
                    child: BorderedCircleAvatar(
                      // radius: 24,
                      backgroundColor: Colors.grey,
                      border: BorderSide(color: Colors.white),

                      // child: Icon(
                      //   Icons.person,
                      //   size: 18,
                      //   color: Colors.white,
                      // ),
                      child: Text(
                        title[0],
                        style: TextStyle(
                            fontWeight: FontWeight.bold,
                            fontSize: 34,
                            color: Colors.white),
                      ),
                    ),
                  ),
                ),
              ),
            ),
          ),

          // SizedBox(
          //   height: 55.0,
          // ),
        ]),
      ],
    ));
  }

  Widget buildCardView(BuildContext context, Eventsdetail eventsdetail,
      HcpProfileProvider provider) {
    return Container(
      //  color: Constants.bgcolor,
      child: Column(
        children: [
          // _TopPortion(
          //   title: eventsdetail.kolFullName!,
          //   eventsdetail: eventsdetail,
          // ),
          buildprofile(context, eventsdetail, eventsdetail.kolFullName!),
          // Padding(
          //   padding: const EdgeInsets.all(8.0),
          //   child: Column(
          //     children: [
          // Text(eventsdetail.kolFullName!,
          //     style: TextStyle(
          //         fontSize: 20,
          //         // fontFamily: "SourceSerif",
          //         fontWeight: FontWeight.bold)),
          // Text("Hematology/Oncology",
          //     style: TextStyle(
          //         // fontFamily: "SourceSerif",
          //         )),
          // Text(
          //     "${eventsdetail.orgName ?? ""}  ${eventsdetail.country ?? ""}  ${eventsdetail.city ?? ""}",
          //     softWrap: true,
          //     maxLines: 2,
          //     textAlign: TextAlign.center,
          //     style: TextStyle(
          //       // fontFamily: "SourceSerif",
          //       fontSize: 12,
          //     )),
          // const SizedBox(height: 20),
          // Row(
          //   mainAxisAlignment: MainAxisAlignment.center,
          //   children: [
          //     SizedBox(
          //       height: 45,
          //       child: FloatingActionButton.extended(
          //           elevation: 1,
          //           // backgroundColor: Color.fromARGB(255, 166, 217, 250),
          //           backgroundColor: Colors.grey,
          //           onPressed: () {
          //             setState(() {
          //               isExtended = !isExtended;
          //             });
          //           },
          //           label: AnimatedSwitcher(
          //               duration: Duration(seconds: 1),
          //               transitionBuilder: (Widget child,
          //                       Animation<double> animation) =>
          //                   FadeTransition(
          //                     opacity: animation,
          //                     child: SizeTransition(
          //                       child: child,
          //                       sizeFactor: animation,
          //                       axis: Axis.horizontal,
          //                     ),
          //                   ),
          //               child: isExtended
          //                   ? Row(
          //                       children: [
          //                         Padding(
          //                           padding: const EdgeInsets.only(
          //                               right: 4.0),
          //                           child: Icon(Icons.check),
          //                         ),
          //                         Text("Added to Contacts")
          //                       ],
          //                     )
          //                   : Row(
          //                       children: [
          //                         Padding(
          //                           padding: const EdgeInsets.only(
          //                               right: 4.0),
          //                           child: Icon(Icons.add,
          //                               color: Colors.white),
          //                         ),
          //                         Text(
          //                           "Add to Contacts",
          //                           style:
          //                               TextStyle(color: Colors.white),
          //                         )
          //                       ],
          //                     ))),
          //     ),
          // const SizedBox(width: 16.0),
          // FloatingActionButton.extended(
          //   onPressed: () {},
          //   heroTag: 'mesage',
          //   elevation: 0,
          //   backgroundColor: Colors.red,
          //   label: const Text("Message"),
          //   icon: const Icon(Icons.message_rounded),
          // ),
          //   ],
          // ),
          // const SizedBox(height: 15),

          // const SizedBox(height: 5),
          //     ],
          //   ),
          // ),
          SizedBox(
            height: 60,
          ),
          // const Spacer(),
          Center(
              child: _ProfileInfoRow(items: [
            ProfileInfoItem("Topic(s)", provider.totalTopics),
            ProfileInfoItem("Session(s)", provider.totalSessions),
            ProfileInfoItem("Note(s)", provider.totalNotes),
          ])),
          // SizedBox(
          //   height: 20,
          // ),
        ],
      ),
    );
  }

  Widget sessionNotes(BuildContext context, Eventsdetail eventsdetail,
      HcpProfileProvider provider) {
    sessionList = eventsdetail.sessionName!.split(",");
    return Container(
      color: EventsConstants.bgcolor,
      child: Column(
        children: [
          Container(
              padding: const EdgeInsets.all(15.0),
              // decoration: BoxDecoration(
              //     border: Border.all(color: Colors.grey),
              //     borderRadius: BorderRadius.circular(8.0)),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Container(
                      padding: const EdgeInsets.all(4.0),
                      // height: 40,

                      width: double.infinity,
                      decoration: BoxDecoration(
                          border: Border.all(color: Colors.grey),
                          borderRadius: BorderRadius.circular(4.0)),
                      child: dropDown(underline: Container())),
                  SizedBox(
                    height: 15,
                  ),
                  TextFormField(
                    controller: notesController,
                    maxLines: 3,
                    validator: (value) {
                      // add email validation
                      if (value == null || value.isEmpty) {
                        return 'Please enter some text';
                      }

                      // bool emailValid = RegExp(
                      //         r"^[a-zA-Z0-9.a-zA-Z0-9.!#$%&'*+-/=?^_`{|}~]+@[a-zA-Z0-9]+\.[a-zA-Z]+")
                      //     .hasMatch(value);
                      // if (!emailValid) {
                      //   return 'Please enter a valid email';
                      // }

                      return null;
                    },
                    decoration: const InputDecoration(
                      labelText: 'Notes',
                      hintText: 'Notes',
                      // prefixIcon: Icon(Icons.note),
                      border: OutlineInputBorder(),
                      focusedBorder: OutlineInputBorder(),
                    ),
                  ),
                ],
              )),
          Align(
            alignment: Alignment.center,
            child: SizedBox(
              height: 45,
              child: FloatingActionButton.extended(
                // backgroundColor: const Color.fromARGB(255, 222, 237, 247),
                backgroundColor: Colors.green,
                onPressed: () async {
                  //"Program Committee	Admin. & Management"
                  //setState(() {
                  if (notesController.text.length != 0 ||
                      notesController.text != "" ||
                      _selectedFruit != "" ||
                      _selectedFruit != null) {
                    sessionNotesList
                        .add("${_selectedFruit} \n\n ${notesController.text}");
                    // });
                    print(
                        " eventid:${widget.eventid},hcp:${widget.eventsdetail.kolId}");
                    SessionNotesModel notesModel = SessionNotesModel(
                        notes: notesController.text,
                        addedBy: "user",
                        addedDate: CustomDateFormatter().formatDate(),
                        eventid: widget.eventid,
                        hcpid: widget.eventsdetail.kolId,
                        selectedSession: _selectedFruit);
                    print(
                        "${notesModel.addedBy},${notesModel.notes},${notesModel.addedDate},${notesModel.eventid},${notesModel.hcpid},${notesModel.selectedSession}");
                    await provider.addSessionNotes(notesModel);
                    _selectedFruit = null;
                    notesController.clear();
                  }
                },
                heroTag: 'addnotes',
                elevation: 0,
                label: const Text(
                  "Submit",
                  style: TextStyle(color: Colors.white),
                ),
                // icon: const Icon(
                //   Icons.add,
                //   color: Colors.black,
                // ),
              ),
            ),
          ),
          Divider(),
          Expanded(
            //height: 200,
            child: ListView.separated(
              padding: EdgeInsets.all(2.0),
              itemCount: provider
                  .getSessionNotesList(widget.eventid, widget.eventsdetail)
                  .length,
              itemBuilder: (context, index) {
                return SizedBox(
                  width: isTablet
                      ? MediaQuery.of(context).size.width * 0.25
                      : MediaQuery.of(context).size.width * 0.5,
                  child: ListTile(
                    title: Text(
                      "\"${provider.sessionNotesList[index].notes}\"",
                      // maxLines: 3,
                      style: TextStyle(
                          // decoration: TextDecoration.underline,
                          // decorationColor: Colors.blue,
                          //fontFamily: "SourceSerif",
                          color: Colors.black,
                          fontStyle: FontStyle.italic,
                          fontSize: 15),
                    ),
                    subtitle: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: [
                        SizedBox(
                          height: 10,
                        ),
                        Text(
                          "Session: ${provider.sessionNotesList[index].selectedSession}",
                          // maxLines: 3,
                          style: TextStyle(
                              // decoration: TextDecoration.underline,
                              // decorationColor: Colors.blue,
                              //fontFamily: "SourceSerif",
                              color: const Color.fromARGB(255, 66, 65, 65),

                              //fontStyle: FontStyle.italic,
                              fontSize: 14),
                        ),
                        SizedBox(
                          height: 5,
                        ),
                        Row(
                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
                          children: [
                            Text(
                              "Added By: ${provider.sessionNotesList[index].addedBy}",
                              // maxLines: 3,
                              style: TextStyle(
                                  // decoration: TextDecoration.underline,
                                  // decorationColor: Colors.blue,
                                  //fontFamily: "SourceSerif",
                                  color: const Color.fromARGB(255, 66, 65, 65),

                                  //fontStyle: FontStyle.italic,
                                  fontSize: 12),
                            ),
                            Text(
                              "On: ${provider.sessionNotesList[index].addedDate}",
                              // maxLines: 3,
                              style: TextStyle(
                                  // decoration: TextDecoration.underline,
                                  // decorationColor: Colors.blue,
                                  //fontFamily: "SourceSerif",
                                  color: const Color.fromARGB(255, 66, 65, 65),

                                  //fontStyle: FontStyle.italic,
                                  fontSize: 12),
                            ),
                          ],
                        ),
                      ],
                    ),
                  ),
                );
              },
              separatorBuilder: (context, index) {
                return Divider();
              },
            ),
          )
        ],
      ),
    );
  }

  Widget topicsTab(Eventsdetail eventsdetail) {
    print("${eventsdetail.sessionName!.split(",").length} @@@lengtg");
    List<String> sessions = eventsdetail.sessionName!.split(",");
    return Container(
        width: double.maxFinite,
        padding: EdgeInsets.only(left: 8),
        decoration: BoxDecoration(
          // color: Color.fromARGB(179, 248, 238, 238),
          color: EventsConstants.bgcolor,
        ),
        child: ListView.separated(
          padding: EdgeInsets.only(top: 10.0, left: 4.0),
          itemCount: sessions.length,
          itemBuilder: (context, index) {
            List<String> topics = eventsdetail.eventTopics!.split("|");
            return Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                // Text(
                //   "",
                //   style: TextStyle(
                //     //fontFamily: "SourceSerif",
                //     fontSize: 16,
                //     fontWeight: FontWeight.bold,
                //   ),

                //   //softWrap: true,
                //   overflow: TextOverflow.ellipsis,
                // ),
                Text(
                  "${index + 1}.${sessions[index]}",

                  style: TextStyle(
                    //  fontFamily: "SourceSerif",
                    fontSize: 14,
                    color: Colors.black,
                    fontWeight: FontWeight.bold,
                  ),
                  maxLines: 3,
                  //softWrap: true,
                ),
                SizedBox(
                  height: 10,
                ),
                SizedBox(
                  width: isTablet
                      ? MediaQuery.of(context).size.width * 0.25
                      : MediaQuery.of(context).size.width * 0.5,
                  child: Text(
                    "Topics",
                    style: TextStyle(
                      // decoration: TextDecoration.underline,
                      // decorationColor: Colors.blue,
                      fontSize: 14,
                      // fontWeight: FontWeight.bold,
                      color: Colors.grey[900],

                      //fontStyle: FontStyle.italic,
                    ),
                  ),
                ),
                buildTopicsCard(topics),
                // SizedBox(
                //   width: isTablet
                //       ? MediaQuery.of(context).size.width * 0.25
                //       : MediaQuery.of(context).size.width * 0.5,
                //   child: Text(
                //     "${topics.join(" \n ")}",
                //     // maxLines: 3,
                //     style: TextStyle(
                //         // decoration: TextDecoration.underline,
                //         // decorationColor: Colors.blue,
                //         //fontFamily: "SourceSerif",
                //         color: Colors.grey[700],

                //         //fontStyle: FontStyle.italic,
                //         fontSize: 16),
                //   ),
                // ),
              ],
            );
          },
          separatorBuilder: (context, index) {
            return Divider();
          },
        ));
  }

  Widget buildTopicsCard(List<String> tags) {
    return Container(
      child: Padding(
        padding: const EdgeInsets.only(
          top: 8,
          bottom: 8,
        ),
        child: Wrap(
            runSpacing: 12.0,
            spacing: 12.0,
            children: tags.map((String tag) {
              return Container(
                constraints: BoxConstraints(
                    // minWidth: MediaQuery.of(context).size.width * 0.34,
                    maxWidth: MediaQuery.of(context).size.width),
                decoration: BoxDecoration(
                  color: EventsConstants.bgtopic,
                  border: Border.all(color: Colors.grey),
                  borderRadius: BorderRadius.all(
                    Radius.circular(10.0),
                  ),
                  // color: Colors.grey
                ),
                margin: const EdgeInsets.symmetric(horizontal: 3.0),
                padding:
                    const EdgeInsets.symmetric(horizontal: 1.6, vertical: 5.0),
                child: Text(
                  '$tag',
                  // overflow: TextOverflow.ellipsis,
                  //textWidthBasis: TextWidthBasis.longestLine,
                  // softWrap: false,
                  maxLines: 2,

                  style: TextStyle(
                      overflow: TextOverflow.clip,
                      color: EventsConstants.fonttopic,
                      fontSize: isTablet ? 16 : 14),
                ),
              );
            }).toList()),
      ),
    );
  }

  Widget medicalInsights() {
    return Container(
      color: EventsConstants.bgcolor,
      child: Center(
        child: FloatingActionButton.extended(
          backgroundColor: Colors.green,
          onPressed: () {},
          heroTag: 'medicalinsights',
          elevation: 0,
          label: const Text("Add Medical Insights",
              style: TextStyle(
                color: Colors.white,
              )),
          icon: const Icon(
            Icons.add,
            color: Colors.white,
          ),
        ),
      ),
    );
  }
}

const _tabs = [
  Tab(text: "Sessions"),
  Tab(text: "Notes"),
  Tab(text: "Medical Insights"),
  // Tab(text: "Survey"),
];

class _SliverAppBarDelegate extends SliverPersistentHeaderDelegate {
  _SliverAppBarDelegate(this._tabBar);

  final TabBar _tabBar;

  @override
  double get minExtent => _tabBar.preferredSize.height;
  @override
  double get maxExtent => _tabBar.preferredSize.height;

  @override
  Widget build(
      BuildContext context, double shrinkOffset, bool overlapsContent) {
    return Container(
        //color: Constants.tabbgColor,
        decoration: BoxDecoration(
          gradient: LinearGradient(
              begin: Alignment.bottomCenter,
              end: Alignment.topCenter,
              colors: [
                // Constants.blueColor,
                EventsConstants.tabbgColor,
                EventsConstants.blueColor,
                // Constants.tabbgColor,
                // const Color.fromARGB(255, 222, 237, 247),
                // const Color.fromARGB(255, 222, 237, 247),
                // Color(0xff006df1)
              ]),
        ),
        // color: Colors.white,
        //249, 103, 49
        // color: const Color.fromARGB(255, 239, 71, 49),
        child: _tabBar);
  }

  @override
  bool shouldRebuild(_SliverAppBarDelegate oldDelegate) {
    return true;
  }
}

class _ProfileInfoRow extends StatelessWidget {
  List<ProfileInfoItem> items;
  _ProfileInfoRow({Key? key, required this.items}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Container(
      height: 60,
      constraints: const BoxConstraints(maxWidth: 400),
      child: Center(
        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
          children: items
              .map((item) => Expanded(
                      child: Row(
                    children: [
                      if (items.indexOf(item) != 0) const VerticalDivider(),
                      Expanded(child: _singleItem(context, item)),
                    ],
                  )))
              .toList(),
        ),
      ),
    );
  }

  Widget _singleItem(BuildContext context, ProfileInfoItem item) => Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          Padding(
            padding: const EdgeInsets.all(8.0),
            child: Text(
              item.value.toString(),
              style: const TextStyle(
                fontWeight: FontWeight.bold,
                fontSize: 14,
              ),
            ),
          ),
          Text(
            item.title,
            style: Theme.of(context).textTheme.bodyLarge,
          )
        ],
      );
}

class ProfileInfoItem {
  final String title;
  final int value;

  const ProfileInfoItem(
    this.title,
    this.value,
  );
}

class _TopPortion extends StatelessWidget {
  final String title;
  final Eventsdetail eventsdetail;
  const _TopPortion({Key? key, required this.title, required this.eventsdetail})
      : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Stack(
      //fit: StackFit.expand,
      //  alignment: Alignment.center,
      children: [
        Align(
          alignment: Alignment.topCenter,
          child: Container(
            margin: const EdgeInsets.only(bottom: 30),
            decoration: const BoxDecoration(
              gradient: LinearGradient(
                  begin: Alignment.bottomCenter,
                  end: Alignment.topCenter,
                  colors: [
                    EventsConstants.blueColor,
                    EventsConstants.blueColor,
                    EventsConstants.blueColor,
                    // const Color.fromARGB(255, 222, 237, 247),
                    // const Color.fromARGB(255, 222, 237, 247),
                    // Color(0xff006df1)
                  ]),
              // borderRadius: BorderRadius.only(
              //   bottomLeft: Radius.circular(20),
              //   bottomRight: Radius.circular(20),
              // )
            ),
            child: Align(
              alignment: Alignment.topCenter,
              child: Column(
                children: [
                  SizedBox(
                    height: 15,
                  ),
                  Text(eventsdetail.kolFullName!,
                      style: TextStyle(
                          fontSize: 20,
                          // fontFamily: "SourceSerif",
                          color: Colors.white,
                          fontWeight: FontWeight.bold)),
                  Text("Hematology/Oncology",
                      style: TextStyle(
                        color: Colors.white,
                        // fontFamily: "SourceSerif",
                      )),
                  Text(
                      "${eventsdetail.orgName ?? ""}  ${eventsdetail.country ?? ""}  ${eventsdetail.city ?? ""}",
                      softWrap: true,
                      maxLines: 2,
                      textAlign: TextAlign.center,
                      style: TextStyle(
                        color: Colors.white,
                        // fontFamily: "SourceSerif",
                        fontSize: 12,
                      )),
                ],
              ),
            ),
          ),
        ),
        Positioned(
          bottom: -30,
          child: CircleAvatar(
            radius: 20,
            backgroundColor: Theme.of(context).scaffoldBackgroundColor,
            child: Container(
              margin: const EdgeInsets.all(8.0),
              decoration: const BoxDecoration(
                  color: Colors.green, shape: BoxShape.circle),
            ),
          ),
        ),
        // Align(
        //   alignment: Alignment.bottomCenter,
        //   child: SizedBox(
        //     width: 120,
        //     height: 120,
        //     child: Stack(
        //       fit: StackFit.expand,
        //       children: [
        //         BorderedCircleAvatar(
        //           // radius: 24,
        //           backgroundColor: Colors.grey,
        //           border: BorderSide(color: Colors.white),

        //           // child: Icon(
        //           //   Icons.person,
        //           //   size: 18,
        //           //   color: Colors.white,
        //           // ),
        //           child: Text(
        //             title[0],
        //             style: TextStyle(
        //                 fontWeight: FontWeight.bold,
        //                 fontSize: 34,
        //                 color: Colors.white),
        //           ),
        //         ),
        // Container(
        //   decoration: const BoxDecoration(
        //     color: Colors.black,
        //     shape: BoxShape.circle,
        //     image: DecorationImage(
        //         fit: BoxFit.cover,
        //         image: NetworkImage(
        //             'https://cardio-staging.konectar.io/images/kol_images/resized/1093755944.jpeg')),
        //     // 'https://images.unsplash.com/photo-1438761681033-6461ffad8d80?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1470&q=80')),
        //   ),
        // ),
        // Positioned(
        //   bottom: 0,
        //   right: 0,
        //   child: CircleAvatar(
        //     radius: 20,
        //     backgroundColor: Theme.of(context).scaffoldBackgroundColor,
        //     child: Container(
        //       margin: const EdgeInsets.all(8.0),
        //       decoration: const BoxDecoration(
        //           color: Colors.green, shape: BoxShape.circle),
        //     ),
        //   ),
        // ),
        //     ],
        //   ),
        //),
        // )
      ],
    );
  }
}