using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using Newtonsoft.Json;

namespace ShareeBike.Repository.Response
{
	/// <summary>
	/// Holds a dictionary of comparable elements.
	/// </summary>
	/// <typeparam name="S">Type of the element.</typeparam>
	[DataContract]
	public class ComparableDictionary<S> : Dictionary<string, S>, IEquatable<ComparableDictionary<S>>
	{
		public bool Equals(ComparableDictionary<S> other)
		{
			return this.OrderBy(x => x.Key).SequenceEqual(other.OrderBy(x => x.Key));
		}

		public static bool operator ==(ComparableDictionary<S> first, ComparableDictionary<S> second)
			=> JsonConvert.SerializeObject(first) == JsonConvert.SerializeObject(second);

		public static bool operator !=(ComparableDictionary<S> first, ComparableDictionary<S> second)
			=> !(first == second);

		public override bool Equals(object obj) => obj is ComparableDictionary<S> target && target == this;

		public override int GetHashCode() => JsonConvert.SerializeObject(this).GetHashCode();

	}
}