using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp3
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            int health = 20;
            int maxHealth = 1000;
            while(true)
                HealthBar(health, maxHealth, 3, 3, ConsoleColor.Red);
        }

        public static void HealthBar(int currentValue, int maxValue,  int posX, int posY, ConsoleColor color, char barchar = ' ')
        {
            ConsoleColor defaultColor = Console.BackgroundColor;
            Console.BackgroundColor = color;
            string bar = "", hpChar = Convert.ToString(currentValue * 100 / maxValue);
            int barLength = 10;

            for(int i = 0; i < currentValue * barLength/maxValue; i++)
            {
                if (i == barLength / 2)
                {
                    bar += hpChar + '%';
                }
                else
                {
                    bar += barchar;
                }

            }

            Console.SetCursorPosition(posX, posY);

            Console.BackgroundColor = defaultColor;
            Console.Write('[');
            Console.BackgroundColor = color;
            Console.Write(bar);

            bar = "";
            for (int i = currentValue * barLength/maxValue; i < barLength; i++)
            {
               if (i == barLength / 2)
                {
                    bar += hpChar + '%';
                }
                bar += barchar;
            }


            Console.BackgroundColor = defaultColor;
            Console.Write(bar);
            Console.Write(']');

        }
    }
}