From 412eab9ed099e62e81cf66eef01c64435ea8d9d8 Mon Sep 17 00:00:00 2001
From: C0D3 M4513R <28912031+C0D3-M4513R@users.noreply.github.com>
Date: Sun, 7 Jan 2024 23:15:50 +0100
Subject: [PATCH] Fix Launcher Updater downgrading instead of actually
 upgrading

---
 .../launcher/KettingLauncher.java             | 30 +++++++++----------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/src/main/java/org/kettingpowered/launcher/KettingLauncher.java b/src/main/java/org/kettingpowered/launcher/KettingLauncher.java
index c3777a0..14a580a 100644
--- a/src/main/java/org/kettingpowered/launcher/KettingLauncher.java
+++ b/src/main/java/org/kettingpowered/launcher/KettingLauncher.java
@@ -1,10 +1,6 @@
 package org.kettingpowered.launcher;
 
-import org.kettingpowered.ketting.internal.KettingConstants;
-import org.kettingpowered.ketting.internal.KettingFileVersioned;
-import org.kettingpowered.ketting.internal.KettingFiles;
-import org.kettingpowered.ketting.internal.MajorMinorPatchVersion;
-import org.kettingpowered.ketting.internal.Tuple;
+import org.kettingpowered.ketting.internal.*;
 import org.kettingpowered.launcher.betterui.BetterUI;
 import org.kettingpowered.launcher.dependency.Dependency;
 import org.kettingpowered.launcher.dependency.Libraries;
@@ -22,11 +18,7 @@
 import java.net.URLClassLoader;
 import java.nio.file.Path;
 import java.security.NoSuchAlgorithmException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
+import java.util.*;
 import java.util.stream.Collectors;
 
 import static org.kettingpowered.ketting.internal.MajorMinorPatchVersion.parseKettingServerVersionList;
@@ -80,23 +72,31 @@ public void init() throws Exception {
         
         ui.printTitle(mc_version);
 
+        if (args.enableLauncherUpdator()) updateLauncher(); //it makes very little difference where this is. This will only be applied on the next reboot anyway.
+
         if(!ui.checkEula(eula)) System.exit(0);
         
-        if (args.enableLauncherUpdator()) updateLauncher(); //it makes very little difference where this is. This will only be applied on the next reboot anyway.
     }
     
     private void updateLauncher() throws Exception {
-        final List<String> launcherVersions = MavenArtifact.getDepVersions(KettingConstants.KETTING_GROUP, ArtifactID);
-        final int index = launcherVersions.indexOf(Version);
+        if ("dep-env".equals(Version)) return;
+        final List<MajorMinorPatchVersion<String>> launcherVersions = MavenArtifact.getDepVersions(KettingConstants.KETTING_GROUP, ArtifactID)
+                .stream()
+                .map(MajorMinorPatchVersion::parse)
+                .sorted()
+                .toList();
+        if(Main.DEBUG) System.out.println(launcherVersions.stream().map(MajorMinorPatchVersion::toString).collect(Collectors.joining("\n")));
+        MajorMinorPatchVersion<String> version = MajorMinorPatchVersion.parse(Version);
+        final int index = launcherVersions.indexOf(version);
         if (index<0) {
             System.err.println("Using unrecognised Launcher version.");
         }
-        else if (index==0) {
+        else if (index==launcherVersions.size()-1) {
             System.out.println("Already on newest Launcher version. Nothing to do.");
             return;
         }
 
-        Dependency dep = new MavenArtifact(KettingConstants.KETTING_GROUP, ArtifactID, launcherVersions.get(0), Optional.empty(), Optional.of("jar")).downloadDependencyHash();
+        Dependency dep = new MavenArtifact(KettingConstants.KETTING_GROUP, ArtifactID, launcherVersions.get(launcherVersions.size()-1).toString(), Optional.empty(), Optional.of("jar")).downloadDependencyHash();
         dep.downloadDependency();
         if (dep.maven().isEmpty() || !dep.maven().get().getDependencyPath().toFile().renameTo(Main.LauncherJar)) {
             System.err.println("Something went wrong whilst replacing the Launcher Jar.");