// ignore_for_file: unnecessary_brace_in_string_interps

import 'dart:io';
import 'dart:convert';

import 'package:covas_mobile/classes/alert.dart';
import 'package:covas_mobile/pages/ListItemByTags.dart';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
import 'package:shared_preferences/shared_preferences.dart';
import 'package:intl/intl.dart';
import 'package:intl/date_symbol_data_local.dart';

import '../variable/globals.dart' as globals;

import '../classes/events.dart';
import '../classes/MyDrawer.dart';

import 'ListItemMenu.dart';
import 'MapboxPages.dart';
import 'ListItemByOrganizers.dart';
import 'EditEvent.dart';

void main() {
  initializeDateFormatting("fr_FR", null).then((_) => (const MyApp()));
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  // This widget is the root of your application.

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
      ),
      home: const ItemMenu(title: 'Flutter Demo Home Page'),
    );
  }
}

class ItemMenu extends StatefulWidget {
  const ItemMenu({Key? key, required this.title}) : super(key: key);

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;
  @override
  State<ItemMenu> createState() => _ItemMenuState();
}

class _ItemMenuState extends State<ItemMenu> with ShowAlertDialog {
  String listUser = "";
  String eventName = "";
  String eventStartDate = "";
  String eventDescription = "";
  String place = "";
  String imgUrl = "";
  List<String> tags = [];
  List<String> organizers = [];

  String id = "";

  Events? events;
  @override
  void initState() {
    super.initState();

    _getEventInfos();
  }

  Future<void> _getEventInfos() async {
    final prefs = await SharedPreferences.getInstance();
    final accessToken = prefs.getString("access_token") ?? "";

    if (accessToken.isEmpty) {
      showAlertDialog(context, "Erreur serveur", "Cache invalide");
      return;
    }

    final urlGet = Uri.parse("${globals.api}/events/${widget.title}");
    final responseGet = await http.get(
      urlGet,
      headers: {HttpHeaders.cookieHeader: 'access_token=$accessToken'},
    );

    stderr.writeln('Response Get status: ${responseGet.statusCode}');

    if (responseGet.statusCode == 200) {
      final responseBody = utf8.decode(responseGet.bodyBytes);
      stderr.writeln('Username : $responseBody');

      final event = Events.fromJson(jsonDecode(responseBody));

      final startDate =
          DateTime.parse(event.startDate ?? DateTime.now().toString());
      final endDate =
          DateTime.parse(event.endDate ?? DateTime.now().toString());

      final formattedStartDate =
          "${DateFormat.yMd().format(startDate)} ${DateFormat.Hm().format(startDate)}";
      final formattedEndDate =
          "${DateFormat.yMd().format(endDate)} ${DateFormat.Hm().format(endDate)}";

      setState(() {
        eventName = event.name ?? "";
        eventStartDate = "$formattedStartDate à $formattedEndDate";
        organizers = List<String>.from(event.organizers ?? []);
        place = event.place ?? "";
        imgUrl = event.imgUrl ?? "";
        eventDescription = event.description ?? "";
        tags = List<String>.from(event.tags ?? []);
      });
    } else {
      final errorMessages = {
        400: "Requête mal construite",
        406: "Mot de passe incorrect",
        404: "Utilisateur inconnu",
        403: "Vous n'avez pas l'autorisation de faire cette action",
        410: "Token invalide",
        500: "Problème interne du serveur",
      };

      final errorMessage = errorMessages[responseGet.statusCode] ??
          "Problème d'authentification inconnu";
      showAlertDialog(context, "Erreur serveur", errorMessage);
    }
  }

  final _formKey = GlobalKey<FormState>();

  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
          // Here we take the value from the MyHomePage object that was created by
          // the App.build method, and use it to set our appbar title.
          title: Text("${eventName}", overflow: TextOverflow.ellipsis),
          backgroundColor: Colors.blue,
          foregroundColor: Colors.white,
          leading: IconButton(
            icon: Icon(Icons.arrow_back),
            onPressed: () {
              Navigator.push(
                  context, MaterialPageRoute(builder: (_) => ListItemMenu()));
            },
          )),
      drawer: MyDrawer(),
      body: SingleChildScrollView(
        child: Column(
          children: <Widget>[
            Padding(
                padding: const EdgeInsets.only(top: 60.0),
                child: Image.network(
                  imgUrl,
                  width: MediaQuery.of(context).size.width *
                      0.5, // 50% of screen width
                  height: MediaQuery.of(context).size.height * 0.5,
                  loadingBuilder: (BuildContext context, Widget child,
                      ImageChunkEvent? loadingProgress) {
                    if (loadingProgress == null) {
                      return child; // The image has finished loading
                    }
                    return Center(
                      child: CircularProgressIndicator(),
                    );
                  },
                  errorBuilder: (BuildContext context, Object error,
                      StackTrace? stackTrace) {
                    return Center(
                      child: Icon(Icons.error,
                          size: MediaQuery.of(context).size.width * 0.1),
                    );
                  },
                )),
            Row(children: [
              Icon(Icons.event),
              Text(
                "Date : ",
                style: TextStyle(fontSize: 15.0, fontWeight: FontWeight.bold),
              )
            ]),
            Row(
              children: [
                Flexible(
                    child: Text("${eventStartDate}",
                        style: TextStyle(fontSize: 15.0)))
              ],
            ),
            Row(children: [
              Icon(Icons.explore),
              Text(
                "Carte : ",
                style: TextStyle(fontSize: 15.0, fontWeight: FontWeight.bold),
              )
            ]),
            Row(children: [
              Flexible(
                  child: InkWell(
                      onTap: () {
                        Navigator.push(
                            context,
                            MaterialPageRoute(
                                builder: (_) => MapboxPages(
                                    title: '${widget.title}',
                                    place: '${place}')));
                      },
                      child: Text("${place}",
                          style: TextStyle(fontSize: 15.0),
                          maxLines: 3,
                          overflow: TextOverflow.ellipsis)))
            ]),
            Row(children: [
              Icon(Icons.group),
              Text(
                "Organisateurs : ",
                style: TextStyle(fontSize: 15.0, fontWeight: FontWeight.bold),
              )
            ]),
            Row(children: [
              Flexible(
                  flex: 3,
                  fit: FlexFit.tight,
                  child: Padding(
                    padding: const EdgeInsets.only(
                      top: 8,
                      bottom: 8,
                      left: 8,
                    ),
                    child: Wrap(
                        runSpacing: 2.0,
                        spacing: 2.0,
                        children: organizers.map((String tag) {
                          return Container(
                            decoration: const BoxDecoration(
                              borderRadius: BorderRadius.all(
                                Radius.circular(20.0),
                              ),
                              color: Colors.blue,
                            ),
                            margin: const EdgeInsets.symmetric(horizontal: 5.0),
                            padding: const EdgeInsets.symmetric(
                                horizontal: 10.0, vertical: 5.0),
                            child: Row(
                              mainAxisAlignment: MainAxisAlignment.start,
                              mainAxisSize: MainAxisSize.min,
                              children: [
                                InkWell(
                                  onTap: () {
                                    Navigator.push(
                                        context,
                                        MaterialPageRoute(
                                            builder: (_) => ListItemOrganizers(
                                                organizer: '$tag')));
                                  },
                                  child: Text(
                                    '$tag',
                                    style: const TextStyle(color: Colors.white),
                                  ),
                                ),
                              ],
                            ),
                          );
                        }).toList()),
                  )),
            ]),
            Row(children: [
              Icon(Icons.description),
              Text("Description : ",
                  style: TextStyle(fontSize: 15.0, fontWeight: FontWeight.bold))
            ]),
            Row(children: [
              Flexible(
                  child: Text("${eventDescription}",
                      style: TextStyle(fontSize: 15.0),
                      maxLines: 3,
                      overflow: TextOverflow.ellipsis))
            ]),
            Row(children: [
              Icon(Icons.category),
              Text("Tags : ",
                  style: TextStyle(fontSize: 15.0, fontWeight: FontWeight.bold))
            ]),
            Row(
              children: [
                Flexible(
                    flex: 3,
                    fit: FlexFit.tight,
                    child: Padding(
                      padding: const EdgeInsets.only(
                        top: 8,
                        bottom: 8,
                        left: 8,
                      ),
                      child: Wrap(
                          runSpacing: 2.0,
                          spacing: 2.0,
                          children: tags.map((String tag) {
                            return Container(
                              decoration: const BoxDecoration(
                                borderRadius: BorderRadius.all(
                                  Radius.circular(20.0),
                                ),
                                color: Colors.blue,
                              ),
                              margin:
                                  const EdgeInsets.symmetric(horizontal: 5.0),
                              padding: const EdgeInsets.symmetric(
                                  horizontal: 10.0, vertical: 5.0),
                              child: Row(
                                mainAxisAlignment: MainAxisAlignment.start,
                                mainAxisSize: MainAxisSize.min,
                                children: [
                                  InkWell(
                                    onTap: () {
                                      Navigator.push(
                                          context,
                                          MaterialPageRoute(
                                              builder: (_) =>
                                                  ListItemTags(tags: '$tag')));
                                    },
                                    child: Text(
                                      '$tag',
                                      style:
                                          const TextStyle(color: Colors.white),
                                    ),
                                  ),
                                ],
                              ),
                            );
                          }).toList()),
                    )),
              ],
            )
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          Navigator.push(
            context,
            MaterialPageRoute(
                builder: (_) => EditEvent(
                      events: events,
                      imgPath: "",
                    )),
          );
        },
        backgroundColor: Colors.blue,
        tooltip: 'Recherche',
        child: const Icon(Icons.edit, color: Colors.white),
      ),
    );
  }
}