using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using Edge.Core.Processor;
using Edge.Core.Processor.Dispatcher;
using Edge.Core.UniversalApi;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ApiExplorer;
using Microsoft.AspNetCore.Mvc.Controllers;
using Microsoft.AspNetCore.Mvc.Core;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.OpenApi.Models;
using MQTTnet.AspNetCore;
using MQTTnet.Diagnostics;
using MQTTnet.Protocol;
using MQTTnet.Server;
using Edge.WebHost.Hubs;
using Swashbuckle.AspNetCore.SwaggerGen;

namespace Edge.WebHost
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection aspNetCoreServices)
        {
            aspNetCoreServices.AddCors(options => options.AddPolicy("cors", builder => builder.AllowAnyMethod().AllowAnyHeader().AllowAnyOrigin()));
            aspNetCoreServices.AddLogging(loggingBuilder =>
            {
                loggingBuilder.ClearProviders();
                loggingBuilder.SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Trace);
            });//Startup.Services.GetRequiredService<ILoggerFactory>());
            
            aspNetCoreServices.AddControllersWithViews();
            //    .AddRazorOptions(opt =>
            //{
            //    opt.ViewLocationFormats.Add("/AspNetCoreWebApi/Views/{1}/{0}.cshtml");
            //    opt.ViewLocationFormats.Add("/AspNetCoreWebApi/Views/Shared/{0}.cshtml");
            //});
            // Register the Swagger generator, defining 1 or more Swagger documents
            aspNetCoreServices.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new OpenApiInfo { Title = "Universal Api - WebApi", Version = "v1" });
                c.DocumentFilter<InjectProcessorApiDocumentFilter>();
                // Set the comments path for the Swagger JSON and UI.
                var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
                var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);
                c.IncludeXmlComments(xmlPath);
            });
            aspNetCoreServices.AddMqttWebSocketServerAdapter();
            aspNetCoreServices.AddSignalR();


            //var mqttServerOptionsBuilder = new MqttServerOptionsBuilder()
            //    .WithoutDefaultEndpoint()
            //    //.WithDefaultEndpointPort(mqttServerPort)
            //    .WithConnectionValidator(
            //        c =>
            //        {
            //            c.ReasonCode = MqttConnectReasonCode.Success;
            //        }).WithSubscriptionInterceptor(
            //        c =>
            //        {
            //            c.AcceptSubscription = true;
            //        }).WithApplicationMessageInterceptor(
            //        c =>
            //        {
            //            c.AcceptPublish = true;
            //        });
            aspNetCoreServices
                .AddHostedMqttServer(mqttServer => mqttServer.WithoutDefaultEndpoint())
                .AddMqttConnectionHandler()
                .AddConnections();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            //app.UseCors();
            app.UseCors("cors");
            // Enable middleware to serve generated Swagger as a JSON endpoint.
            app.UseSwagger();
            // Enable middleware to serve swagger-ui (HTML, JS, CSS, etc.),
            // specifying the Swagger JSON endpoint.
            app.UseSwaggerUI(c =>
            {
                c.SwaggerEndpoint("/swagger/v1/swagger.json", "Universal Api - WebApi V1");
            });

            //if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            // else
            //{
            //    app.UseExceptionHandler("/Home/Error");
            //}
            app.UseStaticFiles();
            app.UseRouting();

            app.UseAuthorization();
            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllerRoute(
                    name: "default",
                    pattern: "{controller=Home}/{action=Index}/{id?}");
                endpoints.MapHub<AlarmHub>("/alarmHub");
            });
            //app.UseEndpoints(endpoints =>
            //{
            //    endpoints.MapControllerRoute(
            //        name: "WebConsole",
            //        pattern: "WebConsole/{controller=Home}/{action=Index}/{id?}");
            //});
            //app.UseEndpoints(endpoints =>
            //{
            //    endpoints.MapMqtt("/mqtt");
            //});

            //MqttNetGlobalLogger.LogMessagePublished += (s, e) =>
            //{
            //    if (e.LogMessage?.Exception != null)
            //    {
            //        var trace = $">> [{e.LogMessage.Timestamp:O}] [{e.LogMessage.ThreadId}] [{e.LogMessage.Source}] [{e.LogMessage.Level}]: {e.LogMessage.Message}";
            //        trace += Environment.NewLine + e.LogMessage.Exception.ToString();
            //        //AppInstance?.logger?.LogInformation("Mqtt Server or client component exceptioned: " + Environment.NewLine + trace);
            //    }
            //};
            //app.UseMqttEndpoint("/mqtt");
            app.UseEndpoints(endpoints =>
            {
                endpoints.MapMqtt("/mqtt");
            });
            app.UseMqttServer(mqttServer =>
            {
                //mqttServer.UseClientConnectedHandler(e =>
                //{
                //    //var debug = e.ClientId;
                //});
                //mqttServer.UseClientDisconnectedHandler(e =>
                //{
                //    //var debug = e.ClientId;
                //});
                //mqttServer.UseApplicationMessageReceivedHandler(async e =>
                //{
                //    //var debug = e.ApplicationMessage.Topic + "    " +
                //    //    Encoding.UTF8.GetString(e.ApplicationMessage.Payload);

                //    //if (this.logger.IsEnabled(LogLevel.Debug))
                //    //{
                //    //    this.logger.LogDebug($"+ received msg on Topic = {e.ApplicationMessage.Topic}");
                //    //    this.logger.LogDebug($"+ Payload = {Encoding.UTF8.GetString(e.ApplicationMessage.Payload)}");
                //    //    this.logger.LogDebug($"+ QoS = {e.ApplicationMessage.QualityOfServiceLevel}");
                //    //    this.logger.LogDebug($"+ Retain = {e.ApplicationMessage.Retain}");
                //    //}
                //});
            });
        }
    }
}