using Autodesk.Revit.DB;

using System.Collections.ObjectModel;

namespace Szmedi.RvKits.FamilyTools
{
    public class ParaViewModel
    {
        public Dictionary<string, FamilyType> Types { get; set; }
        private Document famDoc { get; }
        private FamilyType familytype { get; }


        public ObservableCollection<ParaModel> Parameters { get; set; }

        public ParaViewModel(Document doc)
        {
            Types = GetTypes(doc);
        }

        public ParaViewModel(Document doc, FamilyType ft)
        {
            famDoc = doc;
            familytype = ft;
            Parameters = CreateParasData();
        }

        private Dictionary<string, FamilyType> GetTypes(Document doc)
        {
            Dictionary<string, FamilyType> dictTypes = new();

            FamilyTypeSet ftset = doc.FamilyManager.Types;
            //var fts = from FamilyType ft in vm
            //          where ft.Name!=" "
            //          select ft;
            //return fts;
            foreach (FamilyType ft in ftset)
            {
                if (ft.Name != " ")
                {
                    dictTypes.Add(ft.Name, ft);
                }
            }

            return dictTypes;
        }

        private ObservableCollection<ParaModel> CreateParasData()
        {
            return GetParas(famDoc, familytype);
        }

        private ObservableCollection<ParaModel> GetParas(Document doc, FamilyType familytype)
        {
            ObservableCollection<ParaModel> paraModels = new();
            FamilyParameterSet paras = doc.FamilyManager.Parameters;
            foreach (FamilyParameter para in paras)
            {
                ParaModel model = new()
                {
                    Name = para.Definition.Name,
                    Value = familytype.AsValueString(para),
                    Formula = para.Formula,
                    Group = LabelUtils.GetLabelFor(para.Definition.ParameterGroup)
                };
                paraModels.Add(model);
            }

            return paraModels;
        }
    }
}