using LiMan.DB;
using LiMan.UI.Data;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Localization;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.FileProviders;
using Microsoft.Extensions.Hosting;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Identity.UI.Services;
using Microsoft.AspNetCore.Authentication.Negotiate;
using Microsoft.AspNetCore.Http;
using System.IO;
using Liman.CadCam.Services;
using StackExchange.Redis;
using Blazored.LocalStorage;
using Blazored.SessionStorage;

namespace LiMan.UI
{
    public class Startup
    {
        #region Public Constructors

        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        #endregion Public Constructors

        #region Public Properties

        public IConfiguration Configuration { get; }

        #endregion Public Properties

        #region Public Methods

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {

            // aggiunt base URL x routing corretto
            app.UsePathBase(Configuration["RuntimeOpt:BaseUrl"]);

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Error");
                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
                app.UseHsts();
            }

            // cultura IT...
            var supportedCultures = new[]{
                new CultureInfo("it-IT")
            };
            app.UseRequestLocalization(new RequestLocalizationOptions
            {
                DefaultRequestCulture = new RequestCulture("it-IT"),
                SupportedCultures = supportedCultures,
                FallBackToParentCultures = false
            });
            CultureInfo.DefaultThreadCurrentCulture = CultureInfo.CreateSpecificCulture("it-IT");

            // fix forwarders
            app.UseForwardedHeaders(new ForwardedHeadersOptions
            {
                ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto
            });


            app.UseHttpsRedirection();
            app.UseStaticFiles();

            // verifico da conf se sia linux o windows x file da accedere...
            if (Configuration["HostOs"] == "Win")
            {
                app.UseFileServer(new FileServerOptions
                {
                    FileProvider = new PhysicalFileProvider(@"\\stor01\TEAM DRIVES\40_FileUpload\unsafe_uploads"),
                    RequestPath = new PathString("/unsafe_uploads"),
                    EnableDirectoryBrowsing = true
                    //EnableDirectoryBrowsing = false
                });
            }
            else
            {
                app.UseFileServer(new FileServerOptions
                {
                    FileProvider = new PhysicalFileProvider(Path.Combine(env.ContentRootPath, "unsafe_uploads")),
                    RequestPath = new PathString("/unsafe_uploads"),
                    EnableDirectoryBrowsing = true
                    //EnableDirectoryBrowsing = false
                });
            }

            app.UseRouting();

            app.UseAuthentication();
            app.UseAuthorization();


            app.UseEndpoints(endpoints =>
            {
                endpoints.MapBlazorHub();
                endpoints.MapFallbackToPage("/_Host");
            });
        }

        // This method gets called by the runtime. Use this method to add services to the container.
        // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddAuthentication(NegotiateDefaults.AuthenticationScheme)
                .AddNegotiate();
            services.AddAuthorization(options =>
            {
                // By default, all incoming requests will be authorized according to the default policy.
                options.FallbackPolicy = options.DefaultPolicy;
            });

            // cookie applicazione da 14 gg (defaul) a 30
            services.ConfigureApplicationCookie(o =>
            {
                o.ExpireTimeSpan = TimeSpan.FromDays(30);
                o.SlidingExpiration = true;
            });

#if false
            services.AddStackExchangeRedisCache(options =>
              {
                  //options.Configuration = "localhost:6379";
                  options.ConfigurationOptions = new StackExchange.Redis.ConfigurationOptions() { KeepAlive = 180, DefaultDatabase = 5, EndPoints = { { "localhost", 6379 } } };
                  options.InstanceName = "LiMan";
              }); 
#endif

            // REDIS setup
            var redisConnString = Configuration.GetConnectionString("Redis");
            string connStringRedis = redisConnString ?? "localhost:6379, DefaultDatabase=1, connectTimeout=5000, syncTimeout=5000, asyncTimeout=5000, abortConnect=false, ssl=false";
            string redisSrvAddr = "127.0.0.1";
            if (connStringRedis.IndexOf(":") >= 0)
            {
                redisSrvAddr = connStringRedis.Substring(0, connStringRedis.IndexOf(":"));
            }
            // avvio oggetto shared x redis...
            var redisMultiplexer = ConnectionMultiplexer.Connect(connStringRedis);
            // Add services x accesso dati
            services.AddSingleton<IConnectionMultiplexer>(redisMultiplexer);


            // init info x DB
            string dbServerAddr = Configuration["DbConfig:Server"];
            Liman.CadCam.DbConfig.InitDb(dbServerAddr);


            // abilitazione x email management con MailKit
            services.AddTransient<IEmailSender, MailKitEmailSender>();
            services.Configure<MailKitEmailSenderOptions>(options =>
            {
                options.Host_Address = Configuration["ExternalProviders:MailKit:SMTP:Address"];
                options.Host_Port = Convert.ToInt32(Configuration["ExternalProviders:MailKit:SMTP:Port"]);
                options.Host_Username = Configuration["ExternalProviders:MailKit:SMTP:Account"];
                options.Host_Password = Configuration["ExternalProviders:MailKit:SMTP:Password"];
                options.Sender_EMail = Configuration["ExternalProviders:MailKit:SMTP:SenderEmail"];
                options.Sender_Name = Configuration["ExternalProviders:MailKit:SMTP:SenderName"];
                options.Host_SecureSocketOptions = MailKit.Security.SecureSocketOptions.Auto;
            });

            services.AddLocalization();

            services.AddRazorPages();
            services.AddServerSideBlazor();

            services.AddSingleton<IConfiguration>(Configuration);
            services.AddScoped<MessageService>();
            services.AddSingleton<LiManDataService>();
            services.AddSingleton<CadCamService>();
            services.AddBlazoredLocalStorage();
            services.AddBlazoredSessionStorage();
        }

        #endregion Public Methods
    }
}