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

namespace Ismatov_Nozimzhon
{
    public abstract class Item
    {

        public Item(string name, double cost, double price)
        {
            this.Name = name;
            this.Cost = cost;
            this.Price = price;
        }

        private double cost;

        public double Cost
        {
            get
            {
                return cost;
            }
            private set
            {
                if (value < 0.0d || value > 999999.0d)
                {
                    throw new MerchantException($@"Cost = {value} length out of range");
                }
                else
                {
                    cost = value;
                }
            }
        }

        private string name;

        public string Name
        {
            get
            {
                return name;
            }
            private set
            {
                if (value.Length < 5 || value.Length > 30)
                {
                    throw new MerchantException($@"Name = {value} length out of range");
                }
                else
                {
                    name = value;
                }
            }
        }

        private double price;

        public double Price
        {
            get
            {
                return price;
            }
            set
            {
                if (value < 0.0d || value > 999999.0d)
                {
                    throw new MerchantException($@"Price = {value}  out of range");
                }
                else
                {
                    price = value;
                }
            }
        }

        public override string ToString()
        {
            return $@"Item {Name}: Price = {Price:F2}, Cost = {Cost:F2}";
        }

    }
}