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

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="filterSettings">All available filters.</param>
        /// <param name="filterGroupUser">Filters which apply to logged in user.</param>
        public SettingsBikeFilterViewModel(
            IGroupFilterSettings filterSettings,
            IEnumerable<string> filterGroupUser)
        {
            foreach (var filter in filterSettings)
            {
                if (filter.Key == FilterHelper.CARGOBIKE)
                {
                    Add(new FilterItemMutable(
                        filter.Key,
                        filter.Value,
                        (filterGroupUser != null && filterGroupUser.Count() > 0) ? filterGroupUser.Contains(filter.Key) : true,
                        AppResources.MarkingCargoBike));
                    continue;
                }
                if (filter.Key == FilterHelper.CITYBIKE)
                {
                    Add(new FilterItemMutable(
                        filter.Key,
                            filter.Value,
                            (filterGroupUser != null && filterGroupUser.Count() > 0) ? filterGroupUser.Contains(filter.Key) : true,
                            AppResources.MarkingCityBike));
                    continue;
                }

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

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

                return dictionary;
            }
        }
    }
}