add serverinfo and remove debug lines

src/main/java/land/chipmunk/chayapak/chomens_bot/commands/ServerInfoCommand.java

@@ -0,0 +1,120 @@
+package land.chipmunk.chayapak.chomens_bot.commands;
+
+import land.chipmunk.chayapak.chomens_bot.command.Command;
+import land.chipmunk.chayapak.chomens_bot.command.CommandContext;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.lang.management.ManagementFactory;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+
+public class ServerInfoCommand implements Command {
+    public String name() { return "serverinfo"; }
+
+    public String description() {
+        return "Shows the info about the server that is hosting the bot";
+    }
+
+    public List<String> usage() {
+        final List<String> usages = new ArrayList<>();
+        usages.add("");
+
+        return usages;
+    }
+
+    public List<String> alias() {
+        final List<String> aliases = new ArrayList<>();
+        aliases.add("");
+
+        return aliases;
+    }
+
+    public int trustLevel() {
+        return 0;
+    }
+
+    public Component execute(CommandContext context, String[] args, String[] fullArgs) {
+        // totallynotskidded™ from extras' serverinfo
+        final Component component;
+
+        final long heapUsage = ManagementFactory.getMemoryMXBean().getHeapMemoryUsage().getUsed() / 1024 / 1024;
+        final long nonHeapUsage = ManagementFactory.getMemoryMXBean()
+                .getNonHeapMemoryUsage().getUsed() / 1024 / 1024;
+        final long memoryMax = (
+                ManagementFactory.getMemoryMXBean().getHeapMemoryUsage().getMax()
+                        + ManagementFactory.getMemoryMXBean().getNonHeapMemoryUsage().getMax()
+        ) / 1024 / 1024;
+        final long memoryUsage = (heapUsage + nonHeapUsage);
+
+        final StringBuilder builder = new StringBuilder();
+
+        try {
+            RandomAccessFile file = new RandomAccessFile("/proc/cpuinfo", "r");
+            FileChannel channel = file.getChannel();
+
+            ByteBuffer buffer = ByteBuffer.allocate(1024 * 1024); // 1 MB buffer
+            long bytesRead = channel.read(buffer);
+
+            while (bytesRead != -1) {
+                buffer.flip();
+
+                while (buffer.hasRemaining()) {
+                    builder.append((char) buffer.get());
+                }
+
+                buffer.clear();
+                bytesRead = channel.read(buffer);
+            }
+
+            channel.close();
+            file.close();
+        } catch (IOException ignored) {}
+
+        final String[] lines = builder.toString().split("\n");
+        final Optional<String> modelName = Arrays.stream(lines)
+                .filter(line -> line.startsWith("model name"))
+                .findFirst();
+        final Component cpuModel = modelName
+                .map(s -> Component.text(s.split("\t: ")[1]).color(NamedTextColor.AQUA))
+                .orElseGet(() -> Component.text("N/A").color(NamedTextColor.AQUA));
+
+        try {
+            component = Component.translatable(
+                    """
+                            Hostname: %s
+                            Working directory: %s
+                            OS architecture: %s
+                            OS version: %s
+                            OS name: %s
+                            CPU cores: %s
+                            CPU model: %s
+                            Available memory: %s
+                            Total memory usage: %s
+                            Heap memory usage: %s""",
+                    Component.text(InetAddress.getLocalHost().getHostName()).color(NamedTextColor.AQUA),
+                    Component.text(System.getProperty("user.dir")).color(NamedTextColor.AQUA),
+                    Component.text(ManagementFactory.getOperatingSystemMXBean().getArch()).color(NamedTextColor.AQUA),
+                    Component.text(ManagementFactory.getOperatingSystemMXBean().getVersion()).color(NamedTextColor.AQUA),
+                    Component.text(ManagementFactory.getOperatingSystemMXBean().getName()).color(NamedTextColor.AQUA),
+                    Component.text(String.valueOf(Runtime.getRuntime().availableProcessors())).color(NamedTextColor.AQUA),
+                    cpuModel,
+                    Component.text(memoryMax + " MB").color(NamedTextColor.AQUA),
+                    Component.text(memoryUsage + " MB").color(NamedTextColor.AQUA),
+                    Component.text(heapUsage + " MB").color(NamedTextColor.AQUA)
+            ).color(NamedTextColor.GOLD);
+
+            context.sendOutput(component);
+        } catch (UnknownHostException ignored) {}
+
+        return Component.text("success");
+    }
+}

src/main/java/land/chipmunk/chayapak/chomens_bot/plugins/CommandHandlerPlugin.java

@@ -48,6 +48,7 @@ public class CommandHandlerPlugin {
         registerCommand(new EndCommand());
         registerCommand(new CloopCommand());
         registerCommand(new WeatherCommand());
+        registerCommand(new ServerInfoCommand());
     }
 
     public void registerCommand (Command command) {

src/main/java/land/chipmunk/chayapak/chomens_bot/plugins/DiscordPlugin.java

@@ -45,20 +45,13 @@ public class DiscordPlugin {
         for (Bot bot : Main.allBots) {
             String channelId = servers.get(bot.host() + ":" + bot.port());
 
-            System.out.println("bot for server " + bot.host() + ":" + bot.port());
-            System.out.println("adding listeners...");
-
               bot.addListener(new SessionAdapter() {
                   @Override
                   public void connected (ConnectedEvent event) {
                       boolean channelAlreadyAddedListeners = alreadyAddedListeners.getOrDefault(channelId, false);
 
-                      System.out.println("connected, added listeners is " + channelAlreadyAddedListeners);
-
                       sendMessageInstantly("Successfully connected to: " + "`" + bot.host() + ":" + bot.port() + "`", channelId);
 
-                      System.out.println("sent message...");
-
                       if (channelAlreadyAddedListeners) return;
 
                       bot.executor().scheduleAtFixedRate(() -> onDiscordTick(channelId), 0, 50, TimeUnit.MILLISECONDS);