Add sound notifications for work/rest transitions and make design enh…

…ancements.

.gitignore

@@ -0,0 +1,6 @@
+*.suo
+*.user
+*.suo
+*.user
+*.vscode/
+.vs

PomodoroTimerApp/Form1.cs

@@ -1,12 +1,14 @@
 using System;
+using System.IO;
+using System.Media;
 using System.Windows.Forms;
 
 namespace PomodoroTimerApp
 {
-    public partial class Form1 : Form
+    public partial class PomoInitD : Form
     {
-        private int workMinutes = 25;
-        private int restMinutes = 5;
+        private const int WorkMinutes = 25;
+        private const int RestMinutes = 5;
 
         private int currentMinutes;
         private int currentSeconds;
@@ -16,45 +18,99 @@ public partial class Form1 : Form
         private bool isWorking = true;
         private bool isPaused = false;
 
-        public Form1()
+        private readonly SoundPlayer notifySoundPlayer;
+
+        public PomoInitD()
         {
             InitializeComponent();
-            timerPomodoro.Interval = 1000; // 1-second interval
+            timerPomodoro.Interval = 1000; // 1-second
             timerPomodoro.Tick += TimerPomodoro_Tick;
+
+            // sound path: PomodoroTimerApp\bin\Debug\net6.0-windows\sound.wav
+            string soundFileName = "sound.wav";
+            notifySoundPlayer = InitializeSoundPlayer(soundFileName);
+
             UpdateTimerDisplay();
         }
 
+        private void ShowErrorMessage(string message, string filePath)
+        {
+            MessageBox.Show($"{message}\n\nExpected path: {filePath}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+        }
+
+        private SoundPlayer InitializeSoundPlayer(string soundFileName)
+        {
+            try
+            {
+                if (File.Exists(soundFileName))
+                {
+                    return new SoundPlayer(soundFileName);
+                }
+
+                ShowErrorMessage("Sound file not found.", soundFileName);
+                return null;
+            }
+            catch (Exception ex)
+            {
+                ShowErrorMessage($"Error initializing sound player: {ex.Message}", soundFileName);
+                return null;
+            }
+        }
+
+
         private void TimerPomodoro_Tick(object sender, EventArgs e)
         {
             if (currentMinutes == 0 && currentSeconds == 0)
             {
                 isWorking = !isWorking;
                 iterationCount++;
-                currentMinutes = isWorking ? workMinutes : restMinutes;
+                currentMinutes = isWorking ? WorkMinutes : RestMinutes;
                 currentSeconds = 0;
+
+                PlayNotificationSound();
             }
             else
             {
                 if (!isPaused)
                 {
-                    if (currentSeconds == 0)
-                    {
-                        currentMinutes--;
-                        currentSeconds = 59;
-                    }
-                    else
-                    {
-                        currentSeconds--;
-                    }
+                    UpdateTimeRemaining();
                 }
             }
 
             UpdateTimerDisplay();
         }
 
+        private void UpdateTimeRemaining()
+        {
+            if (currentSeconds == 0)
+            {
+                currentMinutes--;
+                currentSeconds = 59;
+            }
+            else
+            {
+                currentSeconds--;
+            }
+        }
+
+        private void PlayNotificationSound()
+        {
+            if (notifySoundPlayer != null)
+            {
+                try
+                {
+                    notifySoundPlayer.Play();
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show($"Error playing sound: {ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                }
+            }
+        }
+
         private void StartNewSession()
         {
-            currentMinutes = workMinutes;
+            currentMinutes = WorkMinutes;
             currentSeconds = 0;
             iterationCount = 0;
             isWorking = true;
@@ -66,23 +122,15 @@ private void SkipToNextPomodoro()
         {
             iterationCount++;
             isWorking = !isWorking;
-            currentMinutes = isWorking ? workMinutes : restMinutes;
+            currentMinutes = isWorking ? WorkMinutes : RestMinutes;
             currentSeconds = 0;
         }
 
         private void UpdateTimerDisplay()
         {
             labelTimer.Text = $"{currentMinutes:D2}:{currentSeconds:D2}";
 
-            if (isWorking)
-            {
-                textBoxStatus.Text = "Time to Focus!";
-            }
-            else
-            {
-                textBoxStatus.Text = "Time for a Break!";
-            }
-
+            textBoxStatus.Text = isWorking ? "Time to Focus!" : "Time for a Break!";
             textBoxIterations.Text = $"Iteration: {iterationCount}";
         }
 
@@ -99,6 +147,7 @@ private void btnStartPause_Click(object sender, EventArgs e)
         private void btnSkip_Click(object sender, EventArgs e)
         {
             SkipToNextPomodoro();
+            PlayNotificationSound();
             UpdateTimerDisplay();
         }