Fix bug where if no tasks were available, the program could not continue.

Tranga-CLI/Tranga_Cli.cs

@@ -8,12 +8,18 @@ public static class Tranga_Cli
 {
     public static void Main(string[] args)
     {
-        Console.WriteLine("Output folder path [standard D:]:");
-        string? folderPath = Console.ReadLine();
-        while(folderPath is null )
-            folderPath = Console.ReadLine();
-        if (folderPath.Length < 1)
-            folderPath = "D:";
+        string folderPath = Directory.GetCurrentDirectory();
+        string settingsPath = Path.Join(Directory.GetCurrentDirectory(), "lastPath.setting");
+        if (File.Exists(settingsPath))
+            folderPath = File.ReadAllText(settingsPath);
+            
+        Console.WriteLine($"Output folder path [{folderPath}]:");
+        string? tmpPath = Console.ReadLine();
+        while(tmpPath is null)
+            tmpPath = Console.ReadLine();
+        if(tmpPath.Length > 0)
+            folderPath = tmpPath;
+        File.WriteAllText(settingsPath, folderPath);
         
         Console.Write("Mode (D: Interactive only, T: TaskManager):");
         ConsoleKeyInfo mode = Console.ReadKey();
@@ -106,12 +112,11 @@ public static class Tranga_Cli
         int taskRunningCount = taskManager.GetAllTasks().Count(task => task.isBeingExecuted);
         Console.Clear();
         Console.WriteLine($"Download Folder: {folderPath} Tasks (Running/Total): {taskRunningCount}/{taskCount}");
-        Console.WriteLine("Select Option:");
         Console.WriteLine("L: List tasks");
         Console.WriteLine("C: Create Task");
         Console.WriteLine("D: Delete Task");
         Console.WriteLine("E: Execute Task now");
-        Console.WriteLine("Q: Exit with saving");
+        Console.WriteLine("Q: Exit");
         ConsoleKey selection = Console.ReadKey().Key;
         Console.WriteLine();
         return selection;
@@ -131,9 +136,15 @@ public static class Tranga_Cli
     private static void ExecuteTask(TaskManager taskManager)
     {
         TrangaTask[] tasks = taskManager.GetAllTasks();
+        if (tasks.Length < 1)
+        {
+            Console.Clear();
+            Console.WriteLine("There are no available Tasks.");
+            return;
+        }
         PrintTasks(tasks);
         
-        Console.WriteLine($"Select Task (0-{tasks.Length - 1}):");
+        Console.WriteLine($"Select Task (0-{tasks.Length}):");
 
         string? selectedTask = Console.ReadLine();
         while(selectedTask is null || selectedTask.Length < 1)
@@ -146,9 +157,15 @@ public static class Tranga_Cli
     private static void RemoveTask(TaskManager taskManager)
     {
         TrangaTask[] tasks = taskManager.GetAllTasks();
+        if (tasks.Length < 1)
+        {
+            Console.Clear();
+            Console.WriteLine("There are no available Tasks.");
+            return;
+        }
         PrintTasks(tasks);
         
-        Console.WriteLine($"Select Task (0-{tasks.Length - 1}):");
+        Console.WriteLine($"Select Task (0-{tasks.Length}):");
 
         string? selectedTask = Console.ReadLine();
         while(selectedTask is null || selectedTask.Length < 1)
@@ -167,7 +184,7 @@ public static class Tranga_Cli
         Console.WriteLine("Available Tasks:");
         foreach (string taskName in taskNames)
             Console.WriteLine($"{tIndex++}: {taskName}");
-        Console.WriteLine($"Select Task (0-{taskNames.Length - 1}):");
+        Console.WriteLine($"Select Task (0-{taskNames.Length}):");
 
         string? selectedTask = Console.ReadLine();
         while(selectedTask is null || selectedTask.Length < 1)