using System.Collections.Generic;
using System.Linq;
using Nancy;
using Nancy.ModelBinding;
using Sony.Filtr.ContentManagement;
using Sony.Filtr.ContentManagement.Data;
using Sony.Filtr.Contracts.Abstractions;
using Sony.Filtr.Contracts.Definitions;

namespace Sony.Filtr.AdminAPI.Modules
{
    public class ContentManagementModule : BaseModule
    {
        public ContentManagementModule(IApplicationInstanceManager applicationInstanceManager, ContentManager contentManager)
            : base(applicationInstanceManager)
        {
            Get["GetPages", "/content/{countryCode}/{service}/Pages/"] = parameters =>
            {
                ServiceType service;
                if (!ServiceType.TryParse(parameters.service, true, out service))
                    return HttpStatusCode.NotFound;

                var pages = contentManager.GetPages(CurrentApplication, service);

                return Response.AsJson(pages);
            };

            Get["GetPage", "/content/{countryCode}/{service}/Pages/{id}"] = parameters =>
            {
                ServiceType service;
                if (!ServiceType.TryParse(parameters.service, true, out service))
                    return HttpStatusCode.NotFound;

                var pageId = (int)parameters.id;

                var page = contentManager.GetPage(pageId);

                return Response.AsJson(page);
            };

            Put["UpdatePage", "/content/{countryCode}/{service}/Pages/{id}"] = parameters =>
            {
                ServiceType service;
                if (!ServiceType.TryParse(parameters.service, true, out service))
                    return HttpStatusCode.NotFound;

                var pageId = (int)parameters.id;

                var existingPage = contentManager.GetPage(pageId);
                if (existingPage == null)
                    return HttpStatusCode.NotFound;

                var contentPage = this.Bind<ContentPage>();
                contentPage.Id = existingPage.Id;

                contentPage = contentManager.SavePage(contentPage);

                return Response.AsJson(contentPage);
            };


            Post["AddPage", "/content/{countryCode}/{service}/Pages"] = parameters =>
            {
                ServiceType service;
                if (!ServiceType.TryParse(parameters.service, true, out service))
                    return HttpStatusCode.NotFound;

                var contentPage = this.Bind<ContentPage>();
                contentPage.ApplicationId = CurrentApplication.ID;
                contentPage.Service = service;

                if (contentPage.PageKey != null)
                {
                    var existingPage = contentManager.GetPage(CurrentApplication, service, contentPage.PageKey);
                    if (existingPage != null)
                        return HttpStatusCode.BadRequest;
                }
                
                contentPage = contentManager.SavePage(contentPage);

                return Response.AsJson(contentPage);
            };

            Delete["DeletePage", "/content/{countryCode}/{service}/Pages/{id}"] = parameters =>
            {
                var pageId = (int)parameters.id;

                var page = contentManager.GetPage(pageId);
                if (page == null)
                    return HttpStatusCode.NotFound;

                contentManager.RemovePage(page);

                return HttpStatusCode.NoContent;
            };

            Put["SetPageBlocks", "/content/{countryCode}/{service}/Pages/{id}/blocks"] = parameters =>
            {
                var pageId = (int)parameters.id;
                var existingPage = contentManager.GetPage(pageId);
                if (existingPage == null)
                    return HttpStatusCode.NotFound;

                var pageBlockOrderPostObject = this.Bind<PageBlockOrderPostObject>();

                contentManager.SetPageBlocks(existingPage, pageBlockOrderPostObject.Ids);

                var page = contentManager.GetPage(pageId);
                return Response.AsJson(page);
            };
            
            Get["GetBlocks", "/content/{countryCode}/Blocks/"] = parameters =>
            {
                var pages = contentManager.GetBlocks(CurrentApplication);

                return Response.AsJson(pages);
            };

            Get["GetBlock", "/content/{countryCode}/Blocks/{id}"] = parameters =>
            {
                var id = (int)parameters.id;

                var existingBlock = contentManager.GetBlock(id);
                if (existingBlock == null)
                    return HttpStatusCode.NotFound;

                return Response.AsJson(existingBlock);
            };

            Put["UpdateBlock", "/content/{countryCode}/Blocks/{id}"] = parameters =>
            {
                var id = (int)parameters.id;

                var existingBlock = contentManager.GetBlock(id);
                if (existingBlock == null)
                    return HttpStatusCode.NotFound;

                var contentBlock = this.Bind<ContentBlock>();
                contentBlock.Id = existingBlock.Id;

                var page = contentManager.SaveBlock(contentBlock);

                return Response.AsJson(page);
            };

            Post["AddBlock", "/content/{countryCode}/Blocks/"] = parameters =>
            {
                var contentBlock = this.Bind<ContentBlock>("id");
                contentBlock.Id = default(int);
                contentBlock.ApplicationId = CurrentApplication.ID;

                var page = contentManager.SaveBlock(contentBlock);

                return Response.AsJson(page);
            };

            Delete["DeleteBlock", "/content/{countryCode}/Blocks/{id}"] = parameters =>
            {
                var id = (int) parameters.id;

                var existingBlock = contentManager.GetBlock(id);
                if (existingBlock == null)
                    return HttpStatusCode.NotFound;

                contentManager.RemoveBlock(existingBlock);

                return HttpStatusCode.NoContent;
            };
        }

        public class PageBlockOrderPostObject
        {
            public List<int> Ids { get; set; }
        }
    }

}