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

namespace Tango.BL.ValueObjects
{
    /// <summary>
    /// Represents an ActionLog difference node value comparison.
    /// </summary>
    /// <seealso cref="Tango.BL.ValueObjects.ActionLogDifference" />
    public class ActionLogDifferenceValue : ActionLogDifference
    {
        /// <summary>
        /// Gets or sets the node value before the change.
        /// </summary>
        public Object Before { get; set; }

        /// <summary>
        /// Gets or sets the node value after the change.
        /// </summary>
        public Object After { get; set; }

        /// <summary>
        /// Gets a value indicating whether before and after values are different.
        /// </summary>
        [JsonIgnore]
        public override bool HasDifference
        {
            get { return Before != After; }
        }

        /// <summary>
        /// Returns a <see cref="System.String" /> that represents this instance.
        /// </summary>
        /// <returns>
        /// A <see cref="System.String" /> that represents this instance.
        /// </returns>
        public override string ToString()
        {
            return $"{Name}: Before: {Before} != After: {After}";
        }
    }
}