using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Windows.Media;

namespace BS.Shared.DataContracts.ClientPartials
{
    public class SupportConceptGoalDC : INotifyPropertyChanged, IFilterableDC
    {
        private List<SupportConceptGoalDC> _Children;

        private ValueListEntryDC _GoalEntryDC;

        private bool _IsChecked;

        private bool _IsExpanded;

        public List<SupportConceptGoalDC> Children
        {
            get { return _Children ?? (_Children = new List<SupportConceptGoalDC>()); }

            set { _Children = value; }
        }

        public ValueListEntryDC GoalEntryDC
        {
            get { return _GoalEntryDC; }

            set { _GoalEntryDC = value; }
        }

        public bool HasParent => ParentGoal != null;

        public bool HasNotice => GoalEntryDC != null && !string.IsNullOrEmpty(GoalEntryDC.Notice);

        public bool IsChecked
        {
            get => _IsChecked;

            set
            {
                _IsChecked = value;
                foreach (var item in Children)
                {
                    item.IsChecked = value;
                }

                RaisePropertyChanged("IsChecked");
            }
        }

        public bool IsExpanded
        {
            get => _IsExpanded;

            set
            {
                _IsExpanded = value;
                RaisePropertyChanged("IsExpanded");
            }
        }

        public string Name => DetailDescription;

        

        public SupportConceptGoalDC ParentGoal { get; set; }

        public event PropertyChangedEventHandler PropertyChanged;

        public SolidColorBrush FilterableBrush => new SolidColorBrush(Colors.Transparent);

        protected void RaisePropertyChanged(string propertyName)
        {
            var propertyChanged = PropertyChanged;

            propertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

        public override string ToString()
        {
            return GoalEntryDC == null ? "-" : GoalEntryDC.TypeDescription;
        }

        #region IFilterableDC Members

        public string IconPath
        {
            get { return string.Empty; }
        }

        public string DetailDescription
        {
            get { return GoalEntryDC.DisplayName; }
        }

        public string FilterRelevants
        {
            get { return Name; } // ?? String.Empty; }
        }

        public bool SupportsActivationType
        {
            get { return true; }
        }

        public long Version
        {
            get { return 0; }

            set { }
        }

        public string SimpleDescription
        {
            get { return Name; }
        }

        public ActivationTypeId ActivationType
        {
            get { return ActivationTypeId.Active; }

            set { }
        }

        #endregion
    }
}