using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using TINK.Model;
using TINK.Model.Connector;

namespace TINK.ViewModel.Settings
{
    /// <summary> Holds the filters to display..</summary>
    /// <remarks> Former name: FilterCollectionMutable.</remarks>
    public class SettingsBikeFilterViewModel : ObservableCollection<FilterItemMutable>
    {
        /// <summary> Constructs a filter collection object.</summary>
        /// <param name="p_oFilterSettings">All available filters.</param>
        /// <param name="p_oFilterGroupUser">Filters which apply to logged in user.</param>
        public SettingsBikeFilterViewModel(
            IGroupFilterSettings p_oFilterSettings,
            IEnumerable<string> p_oFilterGroupUser)
        {
            foreach (var l_oFilter in p_oFilterSettings)
            {
                if (l_oFilter.Key == FilterHelper.FILTERTINKGENERAL)
                {
                    Add(new FilterItemMutable(
                        l_oFilter.Key,
                        l_oFilter.Value,
                        p_oFilterGroupUser != null ? p_oFilterGroupUser.Contains(l_oFilter.Key) : true,
                        "TINK Lastenräder"));
                    continue;
                }
                if (l_oFilter.Key == FilterHelper.FILTERKONRAD)
                {
                    Add(new FilterItemMutable(
                        l_oFilter.Key,
                            l_oFilter.Value,
                            p_oFilterGroupUser != null ? p_oFilterGroupUser.Contains(l_oFilter.Key) : true,
                            "Konrad Stadträder"));
                    continue;
                }

                Add(new FilterItemMutable(
                    l_oFilter.Key,
                        l_oFilter.Value,
                        p_oFilterGroupUser != null ? p_oFilterGroupUser.Contains(l_oFilter.Key) : true,
                        l_oFilter.Key));
            }
        }

        /// <summary> Get filter collection which might have been modified for serialization purposes.</summary>
        public Dictionary<string, FilterState> FilterCollection
        {
            get
            {
                var l_Dictionary = new Dictionary<string, FilterState>();
                foreach (var l_oEntry in this)
                {
                    l_Dictionary.Add(l_oEntry.Key, l_oEntry.State);
                }

                return l_Dictionary;
            }
        }
    }
}