using System;

namespace Vellum.Generator
{
    /// <summary>
    /// Says that a method saves a type built from its type parameters, as plain data an incremental generator step can
    /// compare between runs.
    /// </summary>
    public sealed class SaveRegistration : IEquatable<SaveRegistration>
    {
        /// <summary>
        /// Holds the method's documentation ID.
        /// </summary>
        public readonly string Id;

        public readonly SaveTemplate Template;

        public SaveRegistration(string id, SaveTemplate template)
        {
            Id = id;
            Template = template;
        }

        public bool Equals(SaveRegistration other)
        {
            return other != null && Id == other.Id && Template.Equals(other.Template);
        }

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

        public override int GetHashCode()
        {
            return Id.GetHashCode() * 31 + Template.GetHashCode();
        }
    }
}