mhunt_launcher/lib/checking_update.dart

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

import 'package:flutter/material.dart';
import 'package:flutter_spinkit/flutter_spinkit.dart';
import 'package:http/http.dart' as http;
import 'package:mhunt_launcher/home.dart';
import 'package:mhunt_launcher/login.dart';

class UpdateCheckScreen extends StatefulWidget {
  const UpdateCheckScreen({super.key});

  @override
  State<UpdateCheckScreen> createState() => _UpdateCheckScreenState();
}

class _UpdateCheckScreenState extends State<UpdateCheckScreen> {

  int localVersion = 4;
  String otaPath = Directory.current.path + "\\ota_wrapper_silent.vbs";

  @override
  void initState() {
    // TODO: implement initState
    super.initState();

    CheckForUpdates();
  }
  void CheckForUpdates() async{
   http.Response remoteVersionResponse = await http.get(Uri.parse("https://vps.playpoolstudios.com/metahunt/data/bin/launcher_win/get_version_code.php"));
   int remoteVersion = int.parse(remoteVersionResponse.body);
   print("local version:${localVersion}, remote version:${remoteVersion}");
   if(remoteVersion>localVersion){
     updateStatus = 1;
   }else{
     updateStatus=2;
     Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (context)=> LoginPage()));
   }
    // if(!await File(otaPath).exists()){
    //   print("otapath not existing");
    //   setState(() {
    //     updateStatus=2;
    //   });
    //   return;
    // }
    // try {
    //
    //   final result = await runExecutable(otaPath + " noupdate");
    //   if (result[0].stdout.trim() == '0') {
    //     updateStatus = 2;
    //     Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (context)=> LoginPage()));
    //   }else{
    //     updateStatus = 1;
    //   }
    // } catch (e) {
    //   print('Error running the executable: $e');
    // }


    setState(() {

    });
  }
  void update() async{
    // await Process.start(otaPath,[], runInShell: true);
    //
    final process = await Process.start('wscript',[otaPath], runInShell: true);
    updateStatus = 2;
    process.stdout.transform(utf8.decoder).listen((data) {
    });
    process.stderr.transform(utf8.decoder).listen((data) {
      print(data);
    });
    await Future.delayed(const Duration(seconds: 1));
    exit(0);
    setState(() {

    });
  }

  ///<summary>
  ///0 = checking updates
  ///1 = update available
  ///2 = clear
  int updateStatus = 0;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Padding(
        padding: const EdgeInsets.all(100.0),
        child: Column(
          mainAxisSize: MainAxisSize.max,
          mainAxisAlignment: MainAxisAlignment.spaceBetween,
          children: [
            Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Text("W3B Games Launcher",style: TextStyle(fontWeight: FontWeight.bold, fontSize: 45),),
              ],
            ),
            GetContent(),
            SizedBox(height: 70,),
          ],
        )
      ),
    );
  }


  Widget GetContent(){
    switch(updateStatus){
      case 0:
        return CheckingWidget();
      case 1:
        return UpdateAvailableWidget();
      case 2:
        return ClearWidget();

    }

    return CheckingWidget();

  }

  Widget CheckingWidget(){
    return Row(
      mainAxisAlignment: MainAxisAlignment.center,
      mainAxisSize: MainAxisSize.max,
      children: [
        Column(
          mainAxisAlignment: MainAxisAlignment.center,
          mainAxisSize: MainAxisSize.max,
          children: [
            SpinKitWave(color:Colors.grey),
            SizedBox(height: 20,),
            Text("Checking for updates..."),
          ],
        ),
      ],
    );
  }

  Widget UpdateAvailableWidget(){
    return Column(

      children: [
        SizedBox(height: 50,),
        Icon(Icons.browser_updated,size: 120, color: Colors.grey,),
        SizedBox(height: 10,),
        Text("New update available",style: TextStyle(fontSize: 20),),
        SizedBox(height: 20,),
        MaterialButton(onPressed: update, child: Padding(
          padding: const EdgeInsets.all(8.0),
          child: Text("Update now"),
        ), color: Colors.blue,)
      ],
    );
  }

  Widget ClearWidget(){
    return Text("Good to go");
  }
}