From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MC_XiaoHei <xiaohei.xor7studio@foxmail.com>
Date: Sun, 6 Aug 2023 09:57:53 +0800
Subject: [PATCH] Add Leaves Auto Update


diff --git a/src/main/java/org/leavesmc/leaves/util/LeavesUpdateHelper.java b/src/main/java/org/leavesmc/leaves/util/LeavesUpdateHelper.java
index 06ca57f0cb319a254ca1511e60f05e5ca151beea..061869a93704e9605378468af8343c64fa009580 100644
--- a/src/main/java/org/leavesmc/leaves/util/LeavesUpdateHelper.java
+++ b/src/main/java/org/leavesmc/leaves/util/LeavesUpdateHelper.java
@@ -7,8 +7,11 @@ import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonSyntaxException;
 import net.minecraft.Util;
+import net.minecraft.world.level.gameevent.vibrations.VibrationSystem;
 import org.bukkit.Bukkit;
+import org.checkerframework.checker.units.qual.C;
 import org.jetbrains.annotations.NotNull;
+import org.leavesmc.leaves.LeavesConfig;
 import org.leavesmc.leaves.LeavesLogger;
 
 import java.io.BufferedReader;
@@ -26,6 +29,12 @@ import java.nio.channels.ReadableByteChannel;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.security.MessageDigest;
+import java.time.Duration;
+import java.time.LocalTime;
+import java.util.*;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.ReentrantLock;
 
 import static java.nio.file.StandardOpenOption.CREATE;
@@ -40,7 +49,9 @@ public class LeavesUpdateHelper {
     private final static ReentrantLock updateLock = new ReentrantLock();
     private static boolean updateTaskStarted = false;
 
-    public static void initAutoUpdate() {
+    private static final ScheduledExecutorService autoUpdateExecutor = Executors.newScheduledThreadPool(1);
+
+    public static void init() {
         File workingDirFile = new File(autoUpdateDir);
         if (!workingDirFile.exists()) {
             workingDirFile.mkdir();
@@ -59,6 +70,24 @@ public class LeavesUpdateHelper {
         if (!leavesUpdateDir.exists()) {
             leavesUpdateDir.mkdir();
         }
+
+        if (LeavesConfig.autoUpdate) {
+            LocalTime currentTime = LocalTime.now();
+            long dailyTaskPeriod = 24 * 60 * 60 * 1000;
+
+            for (String time : LeavesConfig.autoUpdateTime) {
+                try {
+                    LocalTime taskTime = LocalTime.of(Integer.parseInt(time.split(":")[0]), Integer.parseInt(time.split(":")[1]));
+                    Duration task = Duration.between(currentTime, taskTime);
+                    if (task.isNegative()) {
+                        task = task.plusDays(1);
+                    }
+                    autoUpdateExecutor.scheduleAtFixedRate(LeavesUpdateHelper::tryUpdateLeaves, task.toMillis(), dailyTaskPeriod, TimeUnit.MILLISECONDS);
+                } catch (Exception ignored){
+                    LeavesLogger.LOGGER.warning("Illegal auto-update time ignored: " + time);
+                }
+            }
+        }
     }
 
     public static void tryUpdateLeaves() {
@@ -66,12 +95,7 @@ public class LeavesUpdateHelper {
         try {
             if (!updateTaskStarted) {
                 updateTaskStarted = true;
-                new Thread(new Runnable() {
-                    @Override
-                    public void run() {
-                        downloadLeaves();
-                    }
-                }).start();
+                new Thread(LeavesUpdateHelper::downloadLeaves).start();
             }
         } finally {
             updateLock.unlock();
@@ -83,7 +107,7 @@ public class LeavesUpdateHelper {
         String version = Bukkit.getVersion();
 
         if (version.startsWith("null")) {
-            LeavesLogger.LOGGER.info("IDE?");
+            LeavesLogger.LOGGER.info("IDE? Can not update!");
             updateTaskStarted = false;
             return;
         }