DP-VoidBox/VoidBox/Configuration.cs

using Dalamud.Configuration;
using Dalamud.Plugin;
using Ktisis.Structs.Env;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Xml.Linq;

namespace VoidBox;

[Serializable]
public class Configuration : IPluginConfiguration
{
    private static readonly JsonSerializer _jsonSerializer = JsonSerializer.CreateDefault();

    [NonSerialized]
    private IDalamudPluginInterface? _pluginInterface;

    [JsonProperty]
    private Guid _loginGuid;
    [NonSerialized]
    private SavedEnv? _loginEnv;

    [JsonProperty]
    private Guid _housingGuid = new("4e4e2dbc-6bda-4b33-95f1-0865d939498a");
    [NonSerialized]
    private SavedEnv? _housingEnv;

    public int Version { get; set; } = 0;

    public bool IsEnabled = true;

    public List<SavedEnv> Envs = [];

    [JsonIgnore]
    public SavedEnv? LoginEnv
    {
        get => _loginEnv;
        set
        {
            _loginEnv = value;
            _loginGuid = value?.Id ?? default;
        }
    }

    [JsonIgnore]
    public SavedEnv? HousingEnv
    {
        get => _housingEnv;
        set
        {
            _housingEnv = value;
            _housingGuid = value?.Id ?? default;
        }
    }

    internal void Initialize(IDalamudPluginInterface pluginInterface)
    {
        _pluginInterface = pluginInterface;

        _loginEnv = Service.Envs.FirstOrDefault(v => v.Env.Id == _loginGuid).Env;
        _housingEnv = Service.Envs.FirstOrDefault(v => v.Env.Id == _housingGuid).Env;
    }

    public void Save()
    {
        _pluginInterface!.SavePluginConfig(this);
    }
}

public sealed record SavedEnv
{
    public static readonly SavedEnv Unchanged = new(default, "Unchanged", null);

    public SavedEnv(string name, EnvState env)
        : this(Guid.NewGuid(), name, new EnvState?(env))
    {
    }

    private SavedEnv(Guid id, string name, EnvState? env)
    {
        Id = id;
        Name = name;
        Env = env;
    }

    public Guid Id { get; set; }
    public string Name { get; set; }
    public EnvState? Env { get; }
}