add bonus tasks

src/main/java/Main.java

@@ -20,13 +20,13 @@ public class Main {
         System.out.println("Chunk count: " + config.getChunkCount());
         System.out.println();
 
-        // 2. Create chunks
+
         List<ChunkStatus> chunks = ChunkUtils.createChunks(
                 config.getTotalSizeMB(),
                 config.getChunkCount()
         );
 
-        // 3. Create worker threads
+
         List<Thread> workerThreads = new ArrayList<>();
 
         for (ChunkStatus chunk : chunks) {
@@ -35,12 +35,13 @@ public class Main {
 
             workerThreads.add(workerThread);
 
-            // TODO:
-            // Students may print helpful debug information here,
-            // for example which chunk is assigned to which worker thread.
+            System.out.println("Assigned Worker-" + chunk.getChunkId()
+                    + " to chunk #" + chunk.getChunkId()
+                    + " (" + chunk.getChunkSizeMB() + " MB)");
         }
 
-        // 4. Create and start monitor thread
+        System.out.println();
+
         ProgressMonitor monitor = new ProgressMonitor(config, chunks);
         Thread monitorThread = new Thread(monitor, "Progress-Monitor");
         
@@ -78,17 +79,15 @@ public class Main {
                 completedChunks++;
             }
 
-            System.out.println(
-                    "Chunk " + chunk.getChunkId()
-                            + ": " + chunk.getDownloadedMB()
-                            + "/" + chunk.getChunkSizeMB()
-                            + " MB"
-            );
+            System.out.printf("  Chunk %d: %.2f/%.0f MB | Duration: %d ms%n",
+                    chunk.getChunkId(), chunk.getDownloadedMB(),
+                    chunk.getChunkSizeMB(), chunk.getDownloadDurationMs());
+
         }
 
         System.out.println();
         System.out.println("Completed chunks : " + completedChunks + "/" + chunks.size());
-        System.out.println("Downloaded total: " + downloadedMB + "/" + config.getTotalSizeMB() + " MB");
-        System.out.println("Simulation finished.");
+        System.out.printf("Downloaded total : %.2f/%d MB%n", downloadedMB, config.getTotalSizeMB());
+
     }
 }

src/main/java/ProgressMonitor.java

@@ -16,6 +16,7 @@ public class ProgressMonitor implements Runnable {
 
     @Override
     public void run() {
+        double previousProgress = 0.0;
 
         while (true) {
             double totalDownloadedMB = 0.0;
@@ -34,15 +35,36 @@ public class ProgressMonitor implements Runnable {
                 percent = (totalDownloadedMB * 100.0) / totalSizeMB;
             }
 
-            System.out.printf(
-                    "Progress for %s: %.1f/%.1f MB (%.2f%%), completed chunks: %d/%d%n",
-                    fileName,
-                    totalDownloadedMB,
-                    (double) totalSizeMB,
-                    percent,
-                    completedChunks,
-                    chunks.size()
-            );
+
+            double deltaMB = totalDownloadedMB - previousProgress;
+            double speedMBps = deltaMB / (monitorDelayMs / 1000.0);
+            previousProgress = totalDownloadedMB;
+
+
+            double remainingMB = totalSizeMB - totalDownloadedMB;
+            long etaSeconds = (speedMBps > 0) ? (long)(remainingMB / speedMBps) : 0;
+
+
+            int barWidth = 30;
+            int filled = (int)(percent / 100.0 * barWidth);
+            filled = Math.min(filled, barWidth);
+            String bar = "=".repeat(filled) + (filled < barWidth ? ">" : "") + " ".repeat(Math.max(0, barWidth - filled - 1));
+
+
+            System.out.printf("\r[%-30s] %5.1f%% | %5.1f/%d MB | Speed: %.2f MB/s | ETA: %ds | Chunks: %d/%d   ",
+                    bar, percent, totalDownloadedMB, totalSizeMB,
+                    speedMBps, etaSeconds,
+                    completedChunks, chunks.size());
+
+//            System.out.printf(
+//                    "Progress for %s: %.1f/%.1f MB (%.2f%%), completed chunks: %d/%d%n",
+//                    fileName,
+//                    totalDownloadedMB,
+//                    (double) totalSizeMB,
+//                    percent,
+//                    completedChunks,
+//                    chunks.size()
+//            );
 
 
             if (completedChunks == chunks.size()) {

src/main/resources/download_config.txt

@@ -1,7 +1,7 @@
 fileName=movie.mkv
 totalSizeMB=120
 chunkCount=10
-minStepDelayMs=80
-maxStepDelayMs=200
-minStepDownloadMB=2
-maxStepDownloadMB=6
+minStepDelayMs=200
+maxStepDelayMs=600
+minStepDownloadMB=.1
+maxStepDownloadMB=.4