using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Localization;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using NLog;
using NLog.Web;
using ProjecThing.Data;
using ProjecThing.Models;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Security;
using System.Text;
using System.Threading.Tasks;
using Microsoft.AspNetCore.DataProtection;
using Microsoft.AspNetCore.Http;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.IdentityModel.Tokens;

namespace ProjecThing
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //var logger = NLog.LogManager.Setup().LoadConfigurationFromAppSettings().GetCurrentClassLogger();
            //logger.Debug("INIT");

            var builder = WebApplication.CreateBuilder(args);

            // Configure NLog
            builder.Logging.ClearProviders();
            builder.Logging.AddConsole();
            builder.Host.UseNLog();

            builder.Services.Configure<CookiePolicyOptions>(options =>
            {
                options.CheckConsentNeeded = context => true;
                options.MinimumSameSitePolicy = SameSiteMode.None;
            });

            //builder.Services.Configure<ForwardedHeadersOptions>(options =>
            //{
            //    options.KnownProxies.Add(IPAddress.Parse("192.168.111.78"));
            //});

            // Database connection
            string connectionString = builder.Configuration.GetConnectionString("DataConnection");
            builder.Services.AddDbContext<ApplicationDbContext>(options => options.UseMySql(connectionString, ServerVersion.AutoDetect(connectionString)));
            //builder.Services.AddDbContext<ApplicationDbContext>(options => options.UseSqlServer(Configuration.GetConnectionString("DataConnection")));

            // Session
            builder.Services.AddSession(options =>
            {
                options.IdleTimeout = TimeSpan.FromHours(3);
                options.Cookie.HttpOnly = true;
                options.Cookie.IsEssential = true;
                options.Cookie.MaxAge = TimeSpan.FromHours(3);
            });

            // JWT
            builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme).AddJwtBearer(options =>
            {
                options.SaveToken = true;
                options.TokenValidationParameters = new TokenValidationParameters
                {
                    ValidateIssuer = true,
                    ValidateAudience = true,
                    ValidateLifetime = true,
                    ValidateIssuerSigningKey = true,
                    ValidIssuer = "ProjecThing",
                    ValidAudience = "Android",
                    IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes("!Appli$cation#9999#!"))
                };
            });

            // Identity
            builder.Services.AddIdentity<IdentityApplicationUser, IdentityApplicationRole>().AddEntityFrameworkStores<ApplicationDbContext>().AddDefaultTokenProviders();

            builder.Services.AddRazorPages(options =>
            {
                //options.Conventions.AddPageRoute("/Administration/Users", "/AdministrationUsers");
            }).AddRazorRuntimeCompilation();

            //builder.Services.Configure<ForwardedHeadersOptions>(options =>
            //{
            //    options.ForwardedHeaders =
            //        ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
            //    options.KnownProxies.Add(IPAddress.Parse("192.168.111.78"));
            //    //options.ForwardedForHeaderName = "X-Forwarded-For-My-Custom-Header-Name";
            //});

            builder.Services.AddAntiforgery(o => o.HeaderName = "XSRF-TOKEN");

            builder.Services.Configure<IdentityOptions>(options =>
            {
                // Password settings
                options.Password.RequireDigit = true;
                options.Password.RequireLowercase = true;
                options.Password.RequireNonAlphanumeric = true;
                options.Password.RequireUppercase = true;
                options.Password.RequiredLength = 8;
                options.Password.RequiredUniqueChars = 1;

                // Lockout settings
                options.Lockout.DefaultLockoutTimeSpan = TimeSpan.FromMinutes(5);
                options.Lockout.MaxFailedAccessAttempts = 3;
                options.Lockout.AllowedForNewUsers = true;

                // User settings
                options.User.AllowedUserNameCharacters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
                options.User.RequireUniqueEmail = true;
            });

            builder.Services.ConfigureApplicationCookie(options =>
            {
                // Cookie
                options.Cookie.MaxAge = TimeSpan.FromHours(3);
                options.Cookie.HttpOnly = true;
                options.SlidingExpiration = true;
                options.Cookie.SecurePolicy = CookieSecurePolicy.None;//Samo unencripted na locas

                options.LoginPath = $"/User/Login";
                options.LogoutPath = $"/User/Logout";
                options.AccessDeniedPath = $"/";
                options.ExpireTimeSpan = TimeSpan.FromHours(3);//Povecano na 15min
            });

            builder.Services.AddDistributedMemoryCache();

            builder.Services.Configure<IISOptions>(options =>
            {
                options.AutomaticAuthentication = false;
            });

            //builder.Services.AddDataProtection().SetApplicationName("ProjecThing").PersistKeysToFileSystem(new DirectoryInfo(@"Keys/"));

            builder.Services.AddDataProtection()
                .SetApplicationName("ProjecThing")
                .PersistKeysToDbContext<ApplicationDbContext>()
                .AddKeyManagementOptions(options =>
                {
                    options.NewKeyLifetime = new TimeSpan(365, 0, 0, 0);
                    options.AutoGenerateKeys = true;
                });

            var app = builder.Build();

            // Apply migrations in production
#if !DEBUG
            ApplyMigrations(app);
#endif

            // ===== Configure Middleware Pipeline =====

            if (app.Environment.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                //app.UseForwardedHeaders();
            }
            else
            {
                app.UseExceptionHandler("/Error");
                //app.UseForwardedHeaders();
                app.UseHsts();
            }

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


            var defaultCulture = new CultureInfo("sl-SI");
            var localizationOptions = new RequestLocalizationOptions
            {
                DefaultRequestCulture = new RequestCulture(defaultCulture),
                SupportedCultures = new List<CultureInfo> { defaultCulture },
                SupportedUICultures = new List<CultureInfo> { defaultCulture }
            };
            app.UseRequestLocalization(localizationOptions);

            //app.UseHttpsRedirection();
            app.UseStaticFiles();
            app.UseCookiePolicy();

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

            app.UseSession();

            app.MapRazorPages();
            app.MapControllers();

            app.Run();

            //CreateHostBuilder(args).Build().Run();
        }

        private static void ApplyMigrations(IHost app)
        {
            using var scope = app.Services.CreateScope();
            var dbContext = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();

            // Check and apply pending migrations
            var pendingMigrations = dbContext.Database.GetPendingMigrations();
            if (pendingMigrations.Any())
            {
                Console.WriteLine("Applying pending migrations...");
                dbContext.Database.Migrate();
                Console.WriteLine("Migrations applied successfully.");
            }
            else
            {
                Console.WriteLine("No pending migrations found.");
            }
        }

        //        public static IHostBuilder CreateHostBuilder(string[] args) => Host.CreateDefaultBuilder(args).ConfigureWebHostDefaults(
        //            webBuilder =>
        //            {
        //                webBuilder.ConfigureLogging(logging =>
        //                {
        //                    logging.ClearProviders();
        //                    logging.AddConsole();
        //                }).UseNLog();

        //#if !DEBUG
        //                webBuilder.UseKestrel(opts =>
        //                {
        //                    var appServices = opts.ApplicationServices;
        //                    //opts.Listen(IPAddress.Parse("192.168.1.150"), 80);
        //                    //opts.Listen(IPAddress.Parse("192.168.1.150"), 443, o => o.UseHttps(h => { h.UseLettuceEncrypt(appServices); }));

        //                    //opts.Listen(IPAddress.Parse("192.168.111.77"), 5005);
        //                    opts.Listen(IPAddress.Parse("192.168.178.205"), 5005);//novi server
        //                    opts.Listen(IPAddress.Loopback, port: 8081);
        //                    //opts.ListenLocalhost(4433, opts => opts.UseHttps());
        //                    opts.ListenLocalhost(5005);
        //                    //opts.ListenLocalhost(5005, opts => opts.UseHttps());
        //                });
        //#endif
        //                webBuilder.UseContentRoot(Directory.GetCurrentDirectory());
        //                webBuilder.UseStartup<Startup>();
        //            });
    }
}