using System.Collections.Generic;
using System.Linq;
using Nancy;
using Nancy.ModelBinding;
using Sony.Filtr.Applications;
using Sony.Filtr.Core.Settings;

namespace Sony.Filtr.AdminAPI.Modules.PublicData
{
    public class DefaultFilteringModule : BaseModule
    {
        private readonly List<string> _settableValues = new List<string>()
        {
            "minTempo", "maxTempo", "minDanceability", "maxDanceability", "minEnergy", "maxEnergy", "minHotness", "maxHotness", "minDuration", "maxDuration",
        };

        public DefaultFilteringModule(SettingsManager settingsManager, ApplicationInstanceManager applicationInstanceManager) : base(applicationInstanceManager)
        {
            Get["GetDefaultFiltering", "/defaultFilteringSettings"] = parameters =>
            {
                var defaultParameters = new Dictionary<string, double>();

                foreach (var settableValue in _settableValues)
                {
                    var value = settingsManager.GetDoubleSetting(settableValue, applicationInstanceManager.GetGlobalPushApplication());
                    defaultParameters.Add(settableValue, value);
                }
                return Response.AsJson(new DefaultFilteringSettingsViewModel() { DefaultSettings = defaultParameters});
            };

            Put["UpdateDefaultFiltering", "/defaultFilteringSettings"] = parameters =>
            {
                var defaultParameters = this.Bind<DefaultFilteringSettingsViewModel>();

                if (defaultParameters == null || defaultParameters.DefaultSettings == null)
                    return HttpStatusCode.BadRequest;

                foreach (var settableValue in _settableValues)
                {
                    if (defaultParameters.DefaultSettings.ContainsKey(settableValue))
                        settingsManager.SetDoubleSetting(settableValue, defaultParameters.DefaultSettings[settableValue], applicationInstanceManager.GetGlobalPushApplication());
                }

                return Response.AsJson(defaultParameters);
            };
        }

        
    }

    public class DefaultFilteringSettingsViewModel
    {
        public Dictionary<string, double> DefaultSettings { get; set; }
    }
}