homeWorkUIElement

using System;

namespace homeWorkUIElement
{
    internal class Program
    {
        static void Main(string[] args)
        {
            int percentHealth;
            int maxPercentHealth = 100;
            int sizeHealthBar = 20;
            char healthSymbol = '#';
            char emptySimbol = '_';

            Console.Write("Введите количество здоровья (от 0 до 100): ");

            if (int.TryParse(Console.ReadLine(), out percentHealth))
            {
                if (percentHealth > 0 && percentHealth <= maxPercentHealth)
                    DrawHealthBar(percentHealth, sizeHealthBar, healthSymbol, emptySimbol);
                else
                    Console.WriteLine("Ошибка: вы ввели не число от 0 до 100");
            }
            else
            {
                Console.WriteLine("Ошибка: введите корректное число");
            }
        }

        static void DrawHealthBar(int percentHealth, int sizeHealthBar, char healthSymbol, char emptySimbol)
        {
            int maxPercent = 100;

            int convertHealthToBar = (percentHealth * sizeHealthBar) / maxPercent;

            string bar = GenerateBar(convertHealthToBar, sizeHealthBar, healthSymbol, emptySimbol);

            Console.WriteLine("[{0}] {1}", bar, percentHealth);
        }

        static string GenerateBar(int convertHealthToBar, int sizeHealthBar, char healthSymbol, char emptySimbol)
        {
            string bar = "";
            for (int i = 0;i < sizeHealthBar;i++)
            {
                if (i < convertHealthToBar)
                    bar += healthSymbol;
                else
                    bar += emptySimbol;
            }
            return bar;
        }
    }
}