class Program
{
    static async Task Main()
    {
        Console.WriteLine(DateTime.Now.ToString());
        await TypeText("Hello");
        Console.WriteLine();

        string[] options = new string[] { "Play", "Load Save", "Settings", "Exit" };

        int selectedOption = await PromptChoice(options, highlightColor: ConsoleColor.Blue, useHorizontal: true);

        switch (selectedOption)
        {
            case 1:
                Console.Write($"{options[0]} was selected.");
                break;
            case 2:
                Console.Write($"{options[1]} was selected.");
                break;
            case 3:
                Console.Write($"{options[2]} was selected.");
                break;
            case 4:
                Console.Write($"{options[3]} was selected.");
                break;
        }
    }

    static async Task TypeText(string text, int delay = 100)
    {
        foreach (char character in text)
        {
            Console.Write(character);
            await Task.Delay(delay);
        }
    }

    static async Task<int> PromptChoice(string[] options = null, ConsoleColor highlightColor = ConsoleColor.White, bool useDynamicPadding = true, bool useHorizontal = false)
    {
        bool oldCursorState = Console.CursorVisible;

        int startingRow = Console.CursorTop;
        int startingColumn = Console.CursorLeft;

        int optionCount = options?.Length ?? 4;
        int selectedOption = 1;

        if (options == null)
        {
            options = new string[] { "Option 1", "Option 2", "Option 3", "Exit" };
        }

        int maxOptionLength = options.Max(option => option.Length);

        if (startingRow != 0 || startingColumn != 0)
        {
            Console.WriteLine(new string('—', 30));
        }

        await TypeText("Select an option:");

        while (true)
        {
            Console.CursorVisible = (oldCursorState != false) ? false : Console.CursorVisible;

            for (int i = 0; i < optionCount; i++)
            {
                string optionText = options[i];
                int lastOptionLength = i == 0 ? 1 : options[i - 1].Length;
                bool isSelected = selectedOption == (i + 1);
                string padding = isSelected ? "> " : " ";

                if (useHorizontal)
                    Console.SetCursorPosition(startingColumn + (lastOptionLength + 2), startingRow + ((startingRow != 0) ? 3 : 2)) ;
                else
                    Console.SetCursorPosition(startingColumn, startingRow + i + ((startingRow != 0) ? 3 : 2));


                Console.ForegroundColor = isSelected ? highlightColor : Console.ForegroundColor;

                if (useHorizontal)
                    Console.Write(isSelected ? $" \x1B[4m{optionText}\x1B[0m" : $" {optionText}");
                else
                    Console.Write(padding + (useDynamicPadding ? optionText.PadRight(maxOptionLength) + " " : optionText));

                Console.ResetColor();
            }

            ConsoleKey userInput = Console.ReadKey(true).Key;

            switch (userInput)
            {
                case ConsoleKey.UpArrow:
                    selectedOption = Math.Max(1, selectedOption - 1);
                    break;
                case ConsoleKey.DownArrow:
                    selectedOption = Math.Min(optionCount, selectedOption + 1);
                    break;
                case ConsoleKey.LeftArrow:
                    if (useHorizontal)
                        selectedOption = Math.Max(1, selectedOption - 1);
                    break;
                case ConsoleKey.RightArrow:
                    if (useHorizontal)
                        selectedOption = Math.Min(optionCount, selectedOption + 1);
                    break;
                case ConsoleKey.Enter:
                    Console.WriteLine();
                    Console.CursorVisible = oldCursorState;
                    return selectedOption;
            }
        }
    }
}