using System.Linq;
using Nancy;
using Nancy.ModelBinding;
using Sony.Filtr.AdminAPI.ViewModels;
using Sony.Filtr.Applications;
using Sony.Filtr.Contracts.Entities;
using Sony.Filtr.Core.Settings;

namespace Sony.Filtr.AdminAPI.Modules.PublicData
{
    public class PromotedModule : BaseModule
    {
        public PromotedModule(SettingsManager settingsManager, ApplicationInstanceManager applicationInstanceManager)
            : base(applicationInstanceManager)
        {
            Get["GetPromotedPlaylist", "/{countryCode}/promotedPlaylist"] = parameters =>
            {
                var releasePlaylistUrl = settingsManager.GetStringSetting("PromotedTracksPlaylist", CurrentApplication);
                var viewModel = new SpotifyUriViewModel()
                {
                    SpotifyLink = releasePlaylistUrl
                };
                return Response.AsJson(viewModel);
            };

            Post["SetPromotedPlaylist", "/{countryCode}/promotedPlaylist"] = parameters =>
            {
                var spotifyUri = this.Bind<SpotifyUriViewModel>();
                if (spotifyUri == null)
                    return HttpStatusCode.BadRequest;

                if (string.IsNullOrWhiteSpace(spotifyUri.SpotifyLink))
                {
                    settingsManager.SetStringSetting("PromotedTracksPlaylist", string.Empty, CurrentApplication);
                    spotifyUri.SpotifyLink = string.Empty;
                    return Response.AsJson(spotifyUri);
                }

                var releasePlaylistSpotifyLink = new SpotifyLink(spotifyUri.SpotifyLink);
                if (!releasePlaylistSpotifyLink.IsPlaylist())
                    return HttpStatusCode.BadRequest;

                settingsManager.SetStringSetting("PromotedTracksPlaylist", releasePlaylistSpotifyLink.Uri, CurrentApplication);

                return Response.AsJson(spotifyUri);
            };
        }
    }
}