Task 21

using System;

namespace HomeWorks
{
    class Program
    {
        static void Main(string[] args)
        {
            int barMaxPercent = 100;
            int barPercent;
            string userInput;
            char barSymbol;
            int barLength = 10;
            bool isOpen = true;

            while (isOpen)
            {
                Console.Write("Введите процент заполненности bar: ");
                userInput = Console.ReadLine();

                if (userInput == "exit")
                {
                    isOpen = false;
                }

                barPercent = Convert.ToInt32(userInput);

                if (barPercent > barMaxPercent)
                {
                    barPercent = barMaxPercent;
                }
                else if (barPercent < 0)
                {
                    barPercent = 0;
                }

                Console.Write("Введите символ, которым будет заполнен bar: ");
                barSymbol = Convert.ToChar(Console.ReadLine());

                DrawBar(barPercent, barSymbol, barLength, barMaxPercent);
            }
        }

        static void DrawBar(int barPercent, char barSymbol, int barLength, int barMaxPercent)
        {
            Console.Clear();
            Console.Write("[");
            int barOnePoint = barMaxPercent / barLength;

            if (barPercent > 0 && barPercent < barOnePoint)
            {
                Console.Write(barSymbol);
            }

            for (int i = 1; i < barLength; i++)
            {
                if (i <= barPercent / barOnePoint)
                {
                    Console.Write(barSymbol);
                }
                else
                {
                    Console.Write("_");
                }
            }

            Console.WriteLine($"] {barPercent}%");
        }
    }
}