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

namespace Prac8
{
    public class GymEquipment : IComparable<GymEquipment>, IEquatable<GymEquipment>
    {
        public int Number { get; set; }
        public string Name { get; set; }
        public string Type { get; set; }
        public string Condition { get; set; }
        public string Place { get; set; }

        public GymEquipment()
        {
            Name = string.Empty;
            Type = string.Empty;
            Condition = string.Empty;
            Place = string.Empty;
        }

        public GymEquipment(int number, string name, string type, string condition, string place)
        {
            Number = number;
            Name = name;
            Type = type;
            Condition = condition;
            Place = place;
        }

        public int CompareTo(GymEquipment other)
        {
            if (other == null)
            {
                return 1;
            }

            int byName = string.Compare(Name, other.Name, StringComparison.OrdinalIgnoreCase);
            if (byName != 0)
            {
                return byName;
            }

            return Number.CompareTo(other.Number);
        }

        public bool Equals(GymEquipment other)
        {
            if (other == null)
            {
                return false;
            }

            return Number == other.Number
                   && string.Equals(Name, other.Name, StringComparison.OrdinalIgnoreCase)
                   && string.Equals(Type, other.Type, StringComparison.OrdinalIgnoreCase)
                   && string.Equals(Condition, other.Condition, StringComparison.OrdinalIgnoreCase)
                   && string.Equals(Place, other.Place, StringComparison.OrdinalIgnoreCase);
        }

        public override bool Equals(object obj)
        {
            return Equals(obj as GymEquipment);
        }

        public override int GetHashCode()
        {
            return GetSafeHash(Name)
                ^ GetSafeHash(Type)
                ^ GetSafeHash(Condition)
                ^ GetSafeHash(Place)
                ^ Number;
        }

        private static int GetSafeHash(string value)
        {
            return value == null ? 0 : value.ToLowerInvariant().GetHashCode();
        }

        public override string ToString()
        {
            return $"№: {Number}, Название: {Name}, Тип: {Type}, Состояние: {Condition}, Место: {Place}";
        }
    }
}