using System.Collections.Generic;
using System.Linq;
using Nancy;
using Nancy.ModelBinding;
using Sony.Filtr.Contracts.Abstractions;
using Sony.Filtr.Globalization.v3;

namespace Sony.Filtr.AdminAPI.Modules.Globalization
{
    public class MarketGlobalizationModule : BaseModule
    {
        private const int DefaultApiConsumerId = 1;

        public MarketGlobalizationModule(MarketGlobalizationHandler globalizationHandler, IApplicationInstanceManager applicationInstanceManager)
            : base(applicationInstanceManager)
        {
            Get["GetMarketGlobalizationKeys", "/marketglobalization/Keys"] = parameters =>
            {
                var keys = globalizationHandler.GetKeys();
          
                return Response.AsJson(keys);
            };
            
            Post["AddMarketGlobalizationKey", "/marketglobalization/Keys/"] = parameters =>
            {
                var keyObject = this.Bind<MarketGlobalizationKey>();
                if (keyObject.ApiConsumerId == default(int))
                    keyObject.ApiConsumerId = DefaultApiConsumerId;

                globalizationHandler.SetKey(keyObject);

                return HttpStatusCode.Accepted;
            };

            Delete["DeleteMarketGlobalizationKey", "/marketglobalization/Keys/"] = parameters =>
            {
                var key = Request.Query.key;
                var context = Request.Query.context;
                var apiConsumerId = Request.Query.apiConsumerId;

                if (string.IsNullOrWhiteSpace(key) || string.IsNullOrWhiteSpace(context))
                    return HttpStatusCode.BadRequest;

                if (apiConsumerId == null || apiConsumerId == default(int))
                    apiConsumerId = DefaultApiConsumerId;

                globalizationHandler.DeleteKey(key, context, apiConsumerId);

                return HttpStatusCode.Accepted;
            };

            Get["GetMarketGlobalizationValues", "/marketglobalization/{countryCode}/Values"] = parameters =>
            {
                if(CurrentApplication == null)
                    return HttpStatusCode.BadRequest;

                var globalization = globalizationHandler.GetTranslations(CurrentApplication.ID);

                var returnValues =
                    globalization.Select(
                        kvp =>
                            new GlobalizationResult()
                            {
                                Key = kvp.Key.Key,
                                Context = kvp.Key.Context,
                                Description = kvp.Key.Description,
                                DefaultValue = kvp.Key.DefaultValue,
                                Value = kvp.Value != null ? kvp.Value.Value : null,
                                CountryCode = CurrentApplication.SpotifyRegionCode,
                                ApiConsumerId = kvp.Key.ApiConsumerId,
                            });

                return Response.AsJson(returnValues);
            };

            Post["AddMarketGlobalizationValue", "/marketglobalization/{countryCode}/Value"] = parameters =>
            {
                var globalizationUpdate = this.Bind<GlobalizationUpdate>();

                if (CurrentApplication == null || globalizationUpdate == null || globalizationUpdate.Key == null || globalizationUpdate.Context == null)
                    return HttpStatusCode.BadRequest;

                if (globalizationUpdate.ApiConsumerId == default(int))
                    globalizationUpdate.ApiConsumerId = DefaultApiConsumerId;

                globalizationHandler.SetTranslation(globalizationUpdate.Key, globalizationUpdate.Context, globalizationUpdate.ApiConsumerId, CurrentApplication.ID, globalizationUpdate.Value);

                return HttpStatusCode.Accepted;
            };

            Post["AddMarketGlobalizationValues", "/marketglobalization/{countryCode}/Values"] = parameters =>
            {
                var globalizationUpdates = this.Bind<GlobalizationUpdates>();

                if (CurrentApplication == null || globalizationUpdates == null || globalizationUpdates.Values == null)
                    return HttpStatusCode.BadRequest;

                foreach (var update in globalizationUpdates.Values)
                {
                    if (update.ApiConsumerId == default(int))
                        update.ApiConsumerId = DefaultApiConsumerId;

                    if (update.Value != null)
                    {
                        globalizationHandler.SetTranslation(update.Key, update.Context, update.ApiConsumerId, CurrentApplication.ID, update.Value);
                    }
                    else
                    {
                        globalizationHandler.DeleteValue(update.Key, update.Context, update.ApiConsumerId, CurrentApplication.ID);
                    }
                }

                return HttpStatusCode.Accepted;
            };

            Delete["DeleteMarketGlobalizationValues", "/marketglobalization/{countryCode}/Values"] = parameters =>
            {
                var key = Request.Query.key;
                var context = Request.Query.context;
                var apiConsumerId = Request.Query.apiConsumerId;

                if (CurrentApplication == null || string.IsNullOrWhiteSpace(key) || string.IsNullOrWhiteSpace(context))
                    return HttpStatusCode.BadRequest;

                if (apiConsumerId == null || apiConsumerId == default(int))
                    apiConsumerId = DefaultApiConsumerId;

                globalizationHandler.DeleteValue(key, context, apiConsumerId, CurrentApplication.ID);

                return HttpStatusCode.Accepted;
            };
           
        }

        public class GlobalizationResult
        {
            public string Key { get; set; }
            public string Context { get; set; }
            public string DefaultValue { get; set; }
            public string Description { get; set; }
            public string Value { get; set; }
            public string CountryCode { get; set; }
            public int ApiConsumerId { get; set; }
        }

        public class GlobalizationUpdate
        {
            public string Key { get; set; }
            public string Context { get; set; }
            public int ApiConsumerId { get; set; }
            public string Value { get; set; }
        }

        public class GlobalizationUpdates
        {
            public List<GlobalizationUpdate> Values { get; set; }
        }
    }
}