Adding progress bar download speed and ETA from Bonus

src/main/java/.idea/.gitignore

@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/

src/main/java/.idea/misc.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="25" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

src/main/java/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/main.iml" filepath="$PROJECT_DIR$/main.iml" />
+    </modules>
+  </component>
+</project>

src/main/java/.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../../.." vcs="Git" />
+  </component>
+</project>

src/main/java/DownloadWorker.java

@@ -24,8 +24,6 @@ public class DownloadWorker implements Runnable {
         chunkStatus.setStartTimeMs(System.currentTimeMillis());
         double downloaded = 0.0;
 
-        System.out.println("Chunk " + chunkStatus.getChunkId() + " started downloading.");
-
         while (downloaded < chunkStatus.getChunkSizeMB()) {
             try {
                 int delay = config.getMinStepDelayMs()
@@ -50,7 +48,6 @@ public class DownloadWorker implements Runnable {
         }
         chunkStatus.setCompleted(true);
         chunkStatus.setEndTimeMs(System.currentTimeMillis());
-        System.out.println("[Worker-" + chunkStatus.getChunkId() + "] Download completed.");
     }
 
 }

src/main/java/ProgressMonitor.java

@@ -16,16 +16,7 @@ public class ProgressMonitor implements Runnable {
 
     @Override
     public void run() {
-        // TODO:
-        // Repeatedly check chunk progress until all chunks are completed.
-        // In each loop:
-        // 1. Read the downloaded size from every chunk
-        // 2. Add all downloaded amounts to totalDownloadedMB
-        // 3. Count completed chunks
-        // 4. Print a progress message
-        // 5. If completedChunks == chunks.size(), print a final monitor message and stop
-        // 6. Otherwise sleep for monitorDelayMs and continue
-
+        long startTimeMs = System.currentTimeMillis();
 
         while (true) {
             double totalDownloadedMB = 0.0;
@@ -33,29 +24,49 @@ public class ProgressMonitor implements Runnable {
 
             for (ChunkStatus chunk : chunks) {
                 totalDownloadedMB += chunk.getDownloadedMB();
-
                 if (chunk.isCompleted()) {
                     completedChunks++;
                 }
             }
 
-            double percent = 0.0;
-            if (totalSizeMB > 0) {
-                percent = (totalDownloadedMB * 100.0) / totalSizeMB;
-            }
+            long elapsedMs = System.currentTimeMillis() - startTimeMs;
+            double elapsedSeconds = elapsedMs / 1000.0;
+
+            double speedMBps = elapsedSeconds > 0.0
+                    ? totalDownloadedMB / elapsedSeconds
+                    : 0.0;
+
+            double percent = totalSizeMB > 0
+                    ? totalDownloadedMB * 100.0 / totalSizeMB
+                    : 100.0;
+            percent = Math.max(0.0, Math.min(100.0, percent));
+
+            double remainingMB = Math.max(0.0, totalSizeMB - totalDownloadedMB);
+            long etaSeconds = speedMBps > 0.0
+                    ? (long) Math.ceil(remainingMB / speedMBps)
+                    : 0L;
+
+            int barWidth = 40;
+            int filled = (int) Math.round(percent / 100.0 * barWidth);
+            filled = Math.max(0, Math.min(barWidth, filled));
+
+            String bar = "#".repeat(filled) + "-".repeat(barWidth - filled);
 
             System.out.printf(
-                    "Progress for %s: %.1f/%.1f MB (%.2f%%), completed chunks: %d/%d%n",
-                    fileName,
-                    totalDownloadedMB,
-                    (double) totalSizeMB,
+                    "\r[%s] %6.2f%% %7.1f/%d MB | %6.2f MB/s | ETA %s | chunks %d/%d",
+                    bar,
                     percent,
+                    totalDownloadedMB,
+                    totalSizeMB,
+                    speedMBps,
+                    formatEta(etaSeconds),
                     completedChunks,
                     chunks.size()
             );
-
+            System.out.flush();
 
             if (completedChunks == chunks.size()) {
+                System.out.println();
                 System.out.println("All chunks completed.");
                 break;
             }
@@ -63,9 +74,22 @@ public class ProgressMonitor implements Runnable {
             try {
                 Thread.sleep(monitorDelayMs);
             } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+                System.out.println();
                 System.out.println("Progress monitor interrupted.");
                 return;
             }
         }
     }
+
+    private String formatEta(long totalSeconds) {
+        long minutes = totalSeconds / 60;
+        long seconds = totalSeconds % 60;
+
+        if (minutes > 0) {
+            return String.format("%dm %02ds", minutes, seconds);
+        }
+
+        return String.format("%ds", seconds);
+    }
 }