import 'package:flutter/material.dart';
import 'package:stadtbote/main.dart';
import 'package:stadtbote/model/session_status.dart';
import 'package:stadtbote/tools/mqtt_core.dart';
import 'package:stadtbote/tools/util.dart';

void showInfosPopup(SessionStatus? status) async {
  final int version = await Util.getAppVersion();

  await showDialog(
      context: MyApp.appNavigatorKey.currentContext!,
      builder: (BuildContext context) {
        late String connectedString = MqttCore.instance.getConnectionStatus() == ConnectionStateEnum.connected ? "Verbunden" : "NICHT verbunden";

        return AlertDialog(
            contentPadding: EdgeInsets.zero,
            shadowColor: Colors.transparent,
            backgroundColor: Colors.white,
            content: StatefulBuilder(builder: (BuildContext context, StateSetter setState) {
              Future<String> getGpsStatustext() async {
                String gpsStatus = "nicht verfügbar";
                var currentPosition = await MyApp.getCurrentPosition();
                if (currentPosition != null) {
                  var nowUtc = DateTime.now().toUtc();
                  var minutesDelta = nowUtc.difference(currentPosition.timestamp);

                  if (minutesDelta >= const Duration(minutes: 15)) {
                    gpsStatus = "veraltet";
                  } else {
                    gpsStatus = "aktuell";
                  }
                }
                return gpsStatus;
              }

              return FutureBuilder<String>(
                future: getGpsStatustext(),
                builder: (context, snapshot) {
                  String gpsStatus = snapshot.data ?? "wird geladen...";
                  
                  var text = "Versionsnummer: a$version\n";
                  text += "Verbindungsstatus: $connectedString\n";
                  text += "GPS-Status: $gpsStatus\n";
                  text += "\n";
                  text += "User Status:\n";
                  if (status != null) {
                    text += "cr_id: ${status.crId}\n";
                    text += "cust_id: ${status.custId}\n";
                    text += "sid: ${status.sid}\n";
                    text += "vht_id: ${status.vhtId}\n";
                    text += "server_version: ${status.serverVersion}\n";
                    text += "server_instance: ${status.serverInstance}\n";
                  } else {
                    text += "Keine Informationen gefunden";
                  }

                  return SizedBox(
                      key: GlobalKey(),
                      height: 350,
                      width: MediaQuery.of(context).size.width * 0.8,
                      child: Container(
                        height: 100,
                        decoration: BoxDecoration(
                          borderRadius: BorderRadius.circular(10),
                          color: Colors.white,
                          border: Border.all(
                            color: Colors.grey,
                            width: 1,
                          ),
                        ),
                        child: Padding(
                          padding: const EdgeInsets.all(12.0),
                          child: Column(
                            children: [
                              Expanded(child: Text(text, textAlign: TextAlign.left)),
                              getDefaultButton(
                                'OK',
                                () {
                                  Navigator.pop(context);
                                },
                              ),
                            ],
                          ),
                        ),
                      ));
                },
              );
            }));
      });
}