namespace HydroUI
{

    [Serializable]
    public class SelectionSet
    {
        public string Name;
        public MapObjectType filterType = MapObjectType.全部;

        public string FilterString { get; set; } = "";

        public TagList FilterTags { get; set; } = new TagList();
        public List<Func<IBaseViewModel, bool>> rules = new List<Func<IBaseViewModel, bool>>();
        public List<MapObjectType> FilterTypes = new List<MapObjectType>();
        public MapViewNetWork net { get; set; } = null;
        public bool OnlyViewSelected { get; set; } = true;

        public List<IBaseViewModel> selectedObjects = new List<IBaseViewModel>();
        public List<IBaseViewModel> CurrentSelectedObjects = new List<IBaseViewModel>();
        public List<string> View
        {
            get
            {
                List<IBaseViewModel> originList;
                List<IBaseViewModel> list;
                List<string> list_result = new List<string>();
                if (!OnlyViewSelected && net != null)
                {
                    originList = net.MapObjects;
                }
                else
                {
                    originList = selectedObjects;
                }


                if (filterType == MapObjectType.全部)
                {
                    list = originList;
                }

                else
                {

                    var filteredSets = from obj in originList
                                       where obj.GetType() == filterType.GetObjType()
                                       select obj;
                    list = filteredSets?.ToList();
                }



                if (FilterString != null && FilterString != "")
                {
                    list = list?.FindAll(o => o.ID.IndexOf(FilterString) >= 0);
                }

                if (FilterTags.Count > 0)
                {
                    foreach (var tag in FilterTags)
                    {
                        var filteredSets = from obj in list
                                           where obj.Tags.Contains(tag)
                                           select obj;
                        list = filteredSets?.ToList();
                    }
                }

                if (rules.Count > 0)
                {
                    foreach (var rule in rules)
                    {
                        var filteredSets = from obj in list
                                           where rule(obj)
                                           select obj;
                        list = filteredSets?.ToList();
                    }
                }

                CurrentSelectedObjects = list;
                list_result = list.Select(o => o.ID)?.ToList();
                return list_result;


            }
        }

    }
}