Final version of project

src/main/java/Main.java

@@ -3,105 +3,61 @@ import java.util.List;
 
 public class Main {
     public static void main(String[] args) {
-        System.out.println("=== Simulated Download Manager ===");
+        DownloadConfig config = ConfigReader.readConfig("src/main/resources/download_config.txt");
 
-        // 1. Read config
-        DownloadConfig config;
-        try {
-            config = ConfigReader.readConfig("download_config.txt");
-        } catch (Exception e) {
-            System.out.println("Failed to read configuration: " + e.getMessage());
-            return;
+        List<ChunkStatus> chunks = new ArrayList<>();
+
+        double chunkSize = config.getTotalSizeMB() / config.getChunkCount();
+
+        for (int i = 0; i < config.getChunkCount(); i++) {
+            chunks.add(new ChunkStatus(i + 1, chunkSize));
         }
 
-        System.out.println("File name: " + config.getFileName());
-        System.out.println("Total size (MB): " + config.getTotalSizeMB());
-        System.out.println("Chunk count: " + config.getChunkCount());
-        System.out.println();
+        ProgressMonitor monitor = new ProgressMonitor(chunks, config);
 
-        // 2. Create chunks
-        List<ChunkStatus> chunks = ChunkUtils.createChunks(
-                config.getTotalSizeMB(),
-                config.getChunkCount()
-        );
+        Thread monitorThread = new Thread(monitor, "Progress-Monitor");
+        monitorThread.setDaemon(true);
+        monitorThread.start();
 
-        // 3. Create worker threads
         List<Thread> workerThreads = new ArrayList<>();
 
         for (ChunkStatus chunk : chunks) {
-            DownloadWorker worker = new DownloadWorker(chunk, config);
-            Thread workerThread = new Thread(worker, "Worker-" + chunk.getChunkId());
+            Thread workerThread = new Thread(
+                    new DownloadWorker(chunk, config),
+                    "Worker-" + chunk.getChunkId()
+            );
 
             workerThreads.add(workerThread);
-
-            // TODO:
-            // Students may print helpful debug information here,
-            // for example which chunk is assigned to which worker thread.
+            workerThread.start();
         }
 
-        // 4. Create and start monitor thread
-        ProgressMonitor monitor = new ProgressMonitor(config, chunks);
-        Thread monitorThread = new Thread(monitor, "Progress-Monitor");
+        try {
+            for (Thread thread : workerThreads) {
+                thread.join();
+            }
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+            System.err.println("Main thread interrupted while waiting for workers: " + e.getMessage());
+        }
 
-        // TODO:
-        // Start the monitor thread before starting the workers
-        // so that progress can be displayed while downloading happens.
-        //
-        // Example idea:
-        // monitorThread.start();
-
-        // 5. Start worker threads
-        // TODO:
-        // Start each worker thread in workerThreads.
-        // Use a loop and call start() on each thread.
-
-        // 6. Wait for workers to finish
-        // TODO:
-        // Wait for all worker threads to complete by calling join().
-        // This should be done inside a try-catch block for InterruptedException.
-        //
-        // Hint:
-        // for (Thread thread : workerThreads) {
-        //     thread.join();
-        // }
-
-        // TODO:
-        // After all workers finish, the monitor thread may also need to stop.
-        // Depending on how ProgressMonitor is implemented, students may:
-        // - wait for it to finish on its own, or
-        // - add a stopping mechanism in ProgressMonitor later.
-        //
-        // If your monitor finishes automatically, you may join it here.
-
-        // NOTE:
-        // this final report may show 0 progress because no worker has actually run yet.
-        // Until students complete the thread start/join TODOs above,
-
-        // 7. Print final report
-        System.out.println();
-        System.out.println("=== Final Report ===");
-
-        int completedChunks = 0;
-        double downloadedMB = 0.0;
+        double totalDownloaded = 0;
 
         for (ChunkStatus chunk : chunks) {
-            downloadedMB += chunk.getDownloadedMB();
-
-            if (chunk.isCompleted()) {
-                completedChunks++;
-            }
-
-            System.out.println(
-                    "Chunk " + chunk.getChunkId()
-                            + ": " + chunk.getDownloadedMB()
-                            + "/" + chunk.getChunkSizeMB()
-                            + " MB"
-            );
+            totalDownloaded += chunk.getDownloadedMB();
         }
 
+        double totalSize = config.getTotalSizeMB();
+        double progress = (totalDownloaded / totalSize) * 100;
+
         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(
+                "Progress: %.2f%% (%.2f / %.2f MB)%n",
+                progress,
+                totalDownloaded,
+                totalSize
+        );
+
+        System.out.println("All workers finished.");
     }
 }