using System.Linq;
using Nancy;
using Nancy.ModelBinding;
using Sony.Filtr.Applications;
using Sony.Filtr.Contracts.Entities.Genre;
using Sony.Filtr.Core.Genres;

namespace Sony.Filtr.AdminAPI.Modules.PublicData
{
    public class TagCategoryModule : BaseModule
    {
        public TagCategoryModule(ApplicationInstanceManager applicationInstanceManager, GenreManager genreManager) : base(applicationInstanceManager)
        {
            Get["GetTagCategories", "/tagCategories"] = parameters =>
            {
                var genreCategories = genreManager.GetGenreCategories();
                return Response.AsJson(genreCategories);
            };

            Post["AddTagCategory", "/tagCategories"] = parameters =>
            {
                var genreCategory = this.Bind<GenreCategory>();
                if (genreCategory.ID != 0)
                    return HttpStatusCode.BadRequest;

                genreCategory = genreManager.SaveGenreCategory(genreCategory);
                return Response.AsJson(genreCategory);
            };
            Get["GetSingleTagCategory", "/tagCategories/{id}"] = parameters =>
            {
                int genreCategoryId;
                if (!int.TryParse((string) parameters.ID, out genreCategoryId))
                    return HttpStatusCode.BadRequest;

                var genreCategory = genreManager.GetGenreCategory(genreCategoryId);
                if (genreCategory == null)
                    return HttpStatusCode.NotFound;

                return Response.AsJson(genreCategory);
            };
            Put["UpdateTagCategory", "/tagCategories/{id}"] = parameters =>
            {
                int genreCategoryId;
                if (!int.TryParse((string)parameters.ID, out genreCategoryId))
                    return HttpStatusCode.BadRequest;

                var existingGenreCategory = genreManager.GetGenreCategory(genreCategoryId);
                if (existingGenreCategory == null)
                    return HttpStatusCode.NotFound;

                var genreCategory = this.Bind<GenreCategory>();
                genreCategory.ID = existingGenreCategory.ID;

                genreCategory = genreManager.SaveGenreCategory(genreCategory);

                return Response.AsJson(genreCategory);
            };

            Delete["DeleteTagCategory", "/tagCategories/{id}"] = parameters =>
            {
                int genreCategoryId;
                if (!int.TryParse((string)parameters.ID, out genreCategoryId))
                    return HttpStatusCode.BadRequest;

                var existingGenreCategory = genreManager.GetGenreCategory(genreCategoryId);
                if (existingGenreCategory == null)
                    return HttpStatusCode.NotFound;

                genreManager.DeleteGenreCategory(existingGenreCategory);

                return HttpStatusCode.NoContent;
            };
        }
    }
}