using System;
using System.Collections.Generic;
using System.Linq;

namespace THROWAWAYLevelAutoCalculator
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            var stats = 1000;

            var skillList = new List<Skill>
            {
                new Skill("Skill 1", 1, 1),
                new Skill("Skill 2", 2, 2),
                new Skill("Skill 3", 3, 3),
                new Skill("Skill 4", 4, 4),
                new Skill("Skill 5", 5, 5),
                new Skill("Skill 6", 6, 6),
                new Skill("Skill 7", 7, 7),
            };

            while (stats >= 0)
            {
                var skill = skillList
                    .Where(x => x.IsMaxed == false)
                    .Aggregate((seed, f) => f.ExpToLevel < seed.ExpToLevel ? f : seed);

                if (stats - skill.ExpToLevel >= 0)
                {
                    stats -= skill.ExpToLevel;
                    skill.LevelUp();
                }
                else
                {
                    break;
                }
            }

            foreach (var item in skillList)
            {
                Console.WriteLine($"Name: {item.SkillName}     Level: {item.SkillLevel}");
            }
        }
    }

    public class Skill
    {
        public string SkillName { get; set; }

        public int ExpToLevel { get; set; }

        public int SkillLevel { get; set; } = 0;

        public int MaxLevel = 40;

        public bool IsMaxed
        {
            get
            {
                if (SkillLevel >= MaxLevel)
                {
                    return true;
                }
                return false;
            }
        }

        private int ExpGrowth { get; set; } = 0;

        public Skill(string skillName,
            int expNeededToLevel,
            int expGrowth)
        {
            SkillName = skillName;
            ExpGrowth = expGrowth;
            ExpToLevel = expNeededToLevel;
        }

        public void LevelUp()
        {
            SkillLevel++;
            ExpToLevel += ExpGrowth;
        }
    }
}