2dust_v2rayN/v2rayN/ServiceLib/ViewModels/RoutingRuleDetailsViewModel.cs

namespace ServiceLib.ViewModels;

public class RoutingRuleDetailsViewModel : MyReactiveObject, ICloseable
{
    public event EventHandler? RequestClose;

    public IList<string> ProtocolItems { get; set; }
    public IList<string> InboundTagItems { get; set; }

    [Reactive]
    public RulesItem SelectedSource { get; set; }

    [Reactive]
    public string Domain { get; set; }

    [Reactive]
    public string IP { get; set; }

    [Reactive]
    public string Process { get; set; }

    [Reactive]
    public string? RuleType { get; set; }

    [Reactive]
    public bool AutoSort { get; set; }

    public ReactiveCommand<Unit, Unit> SelectProfileCmd { get; }
    public ReactiveCommand<Unit, Unit> SaveCmd { get; }

    public RoutingRuleDetailsViewModel(RulesItem rulesItem)
    {
        _config = AppManager.Instance.Config;

        SelectProfileCmd = ReactiveCommand.CreateFromTask(async () =>
        {
            await SelectProfileAsync();
        });
        SaveCmd = ReactiveCommand.CreateFromTask(async () =>
        {
            await SaveRulesAsync();
        });

        if (rulesItem.Id.IsNullOrEmpty())
        {
            rulesItem.Id = Utils.GetGuid(false);
            rulesItem.OutboundTag = Global.ProxyTag;
            rulesItem.Enabled = true;
            SelectedSource = rulesItem;
        }
        else
        {
            SelectedSource = rulesItem;
        }

        Domain = Utils.List2String(SelectedSource.Domain, true);
        IP = Utils.List2String(SelectedSource.Ip, true);
        Process = Utils.List2String(SelectedSource.Process, true);
        RuleType = SelectedSource.RuleType?.ToString();
    }

    private async Task SaveRulesAsync()
    {
        Domain = Utils.Convert2Comma(Domain);
        IP = Utils.Convert2Comma(IP);
        Process = Utils.ParseProcess(Process);

        if (AutoSort)
        {
            SelectedSource.Domain = Utils.String2ListSorted(Domain);
            SelectedSource.Ip = Utils.String2ListSorted(IP);
            SelectedSource.Process = Utils.String2ListSorted(Process);
        }
        else
        {
            SelectedSource.Domain = Utils.String2List(Domain);
            SelectedSource.Ip = Utils.String2List(IP);
            SelectedSource.Process = Utils.String2List(Process);
        }
        SelectedSource.Protocol = ProtocolItems?.ToList();
        SelectedSource.InboundTag = InboundTagItems?.ToList();
        SelectedSource.RuleType = RuleType.IsNullOrEmpty() ? null : Enum.Parse<ERuleType>(RuleType);

        var hasRule = SelectedSource.Domain?.Count > 0
          || SelectedSource.Ip?.Count > 0
          || SelectedSource.Protocol?.Count > 0
          || SelectedSource.Process?.Count > 0
          || SelectedSource.Port.IsNotEmpty()
          || SelectedSource.Network.IsNotEmpty();

        if (!hasRule)
        {
            NoticeManager.Instance.Enqueue(string.Format(ResUI.RoutingRuleDetailRequiredTips, "Network/Port/Protocol/Domain/IP/Process"));
            return;
        }
        //NoticeHandler.Instance.Enqueue(ResUI.OperationSuccess);
        RequestClose?.Invoke(this, EventArgs.Empty);
        await Task.CompletedTask;
    }

    private async Task SelectProfileAsync()
    {
        var profileSelectViewModel = new ProfilesSelectViewModel();
        profileSelectViewModel.SetConfigTypeFilter([EConfigType.Custom], exclude: true);
        var result = await AppManager.Instance.WindowDialog.ShowDialogAsync(profileSelectViewModel);
        if (result != true)
        {
            return;
        }
        var profileItem = await profileSelectViewModel.GetProfileItem();
        if (profileItem != null)
        {
            SelectedSource.OutboundTag = profileItem.Remarks;
            SelectedSource = JsonUtils.DeepCopy(SelectedSource);
        }
    }
}