feat: enhance AFK retry mechanism with GUI interaction and window handling

afk.js

@@ -1,4 +1,5 @@
 const mineflayer = require("mineflayer");
+const gui = require("mineflayer-gui");
 const fs = require("fs");
 const path = require("path");
 
@@ -33,8 +34,6 @@ const LOG_FILE = path.join(
 const TELEPORT_DETECT_REGEX = /you teleported to\b/i;
 const AFK_INITIAL_CHECK_DELAY_MS = 5000;
 const AFK_POST_COMMAND_CHECK_DELAY_MS = 7000;
-const AFK_MIN_NUMBER = 1;
-const AFK_MAX_NUMBER = 50;
 
 let hasDetectedTeleport = false;
 let afkRetryTimer = null;
@@ -47,8 +46,79 @@ function log(message) {
   fs.appendFileSync(LOG_FILE, logMessage + "\n");
 }
 
-function getRandomIntInclusive(min, max) {
-  return Math.floor(Math.random() * (max - min + 1)) + min;
+function sleep(ms) {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}
+
+function waitForWindowOpen(timeoutMs = 5000) {
+  return new Promise((resolve) => {
+    if (bot.currentWindow) {
+      resolve(true);
+      return;
+    }
+
+    const originalHandler = bot.listenerCount("windowOpen");
+    const onWindowOpen = () => {
+      clearTimeout(timer);
+      bot.removeListener("windowOpen", onWindowOpen);
+      resolve(true);
+    };
+
+    const timer = setTimeout(() => {
+      bot.removeListener("windowOpen", onWindowOpen);
+      resolve(false);
+    }, timeoutMs);
+
+    bot.on("windowOpen", onWindowOpen);
+  });
+}
+
+function closeCurrentWindow() {
+  if (!bot.currentWindow) return;
+  if (typeof bot.closeWindow === "function") {
+    bot.closeWindow(bot.currentWindow);
+    return;
+  }
+  if (typeof bot.currentWindow.close === "function") {
+    bot.currentWindow.close();
+  }
+}
+
+function findWindowSlotByCandidates(candidates) {
+  if (!bot.currentWindow || !Array.isArray(bot.currentWindow.slots))
+    return null;
+
+  const normalizedCandidates = candidates.map((c) =>
+    String(c || "")
+      .toLowerCase()
+      .replace(/[_\s]+/g, "")
+      .trim(),
+  );
+
+  for (const item of bot.currentWindow.slots) {
+    if (!item) continue;
+
+    const itemName = String(item.name || "")
+      .toLowerCase()
+      .replace(/[_\s]+/g, "");
+    const displayName = String(item.displayName || "")
+      .toLowerCase()
+      .replace(/[_\s]+/g, "");
+    const nbtName = String(item.customName || "")
+      .toLowerCase()
+      .replace(/[_\s]+/g, "");
+
+    const matched = normalizedCandidates.some(
+      (candidate) =>
+        itemName.includes(candidate) ||
+        displayName.includes(candidate) ||
+        nbtName.includes(candidate),
+    );
+
+    if (matched) return item.slot;
+  }
+
+  return null;
 }
 
 function clearAfkRetryTimer() {
@@ -61,13 +131,38 @@ function clearAfkRetryTimer() {
 function scheduleAfkRetryCheck(delayMs) {
   clearAfkRetryTimer();
 
-  afkRetryTimer = setTimeout(() => {
+  afkRetryTimer = setTimeout(async () => {
     if (hasDetectedTeleport) return;
 
-    const randomNumber = getRandomIntInclusive(AFK_MIN_NUMBER, AFK_MAX_NUMBER);
-    const command = `/afk ${randomNumber}`;
-    log(`No teleport detected after ${delayMs}ms; sending: ${command}`);
-    bot.chat(command);
+    log(`No teleport detected after ${delayMs}ms; sending /afk command`);
+    bot.chat("/afk");
+
+    await sleep(500);
+    const opened = await waitForWindowOpen(5000);
+    if (!opened || !bot.currentWindow) {
+      log("AFk GUI did not open");
+      scheduleAfkRetryCheck(AFK_POST_COMMAND_CHECK_DELAY_MS);
+      return;
+    }
+
+    log("AFk GUI opened, clicking amethyst block");
+    const amethystCandidates = ["Amethyst Block", "amethyst_block", "Amethyst"];
+    const slot = findWindowSlotByCandidates(amethystCandidates);
+    if (slot === null) {
+      log("Amethyst block not found in AFk GUI");
+      closeCurrentWindow();
+      scheduleAfkRetryCheck(AFK_POST_COMMAND_CHECK_DELAY_MS);
+      return;
+    }
+
+    try {
+      await bot.clickWindow(slot, 0, 0);
+      log("Clicked amethyst block");
+    } catch (err) {
+      log(`Failed to click amethyst block: ${err.message}`);
+    }
+
+    closeCurrentWindow();
 
     // Teleport feedback can lag a few seconds after issuing /afk.
     scheduleAfkRetryCheck(AFK_POST_COMMAND_CHECK_DELAY_MS);
@@ -133,10 +228,13 @@ bot.on("login", () => {
 
 bot.on("spawn", () => {
   log("Bot spawned");
+
+  log(`Bot username: ${bot.username}`);
   if (hasDetectedTeleport) {
     log("Teleport already confirmed before spawn; skipping AFK retry schedule");
     return;
   }
+
   scheduleAfkRetryCheck(AFK_INITIAL_CHECK_DELAY_MS);
 });