using IES.ExamServer.DI;
using IES.ExamServer.DI.SignalRHost;
using IES.ExamServer.Filters;
using Microsoft.AspNetCore.StaticFiles;
using NLog.Extensions.Logging;
using SkiaSharp;
using System.Drawing;
using System.Text;
using System.Text.Encodings.Web;
using System.Text.Unicode;
using static System.Net.Mime.MediaTypeNames;
using System.Diagnostics;
using System.Security.Authentication;
namespace IES.ExamServer.Server
{
    public class Program
    {
        public async static Task Main(string[] args)
        { 
            Console.OutputEncoding = Encoding.UTF8;
            var builder = WebApplication.CreateBuilder(args);

            // Add services to the container.
            builder.WebHost.ConfigureKestrel(serverOptions =>
            {
                // 配置支持的 SSL/TLS 协议版本
                serverOptions.ConfigureHttpsDefaults(httpsOptions =>
                {
                    httpsOptions.SslProtocols = SslProtocols.Tls |
                                              SslProtocols.Tls11 |
                                              SslProtocols.Tls12 |
                                              SslProtocols.Tls13;
                });
            });
            string path = $"{builder.Environment.ContentRootPath}/Configs";
            // Add services to the container.
            builder.Configuration.SetBasePath(Directory.GetCurrentDirectory()).AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);
            // Add services to the container.
            builder.Services.AddControllersWithViews().AddJsonOptions(options =>
            {
                // 设置 JSON 序列化选项
                options.JsonSerializerOptions.Encoder = JavaScriptEncoder.Create(UnicodeRanges.All); // 允许所有 Unicode 字符
                options.JsonSerializerOptions.WriteIndented = true; // 格式化输出（可选）
            });
            builder.Services.AddHttpClient();
            builder.Services.AddSignalR();
            builder.Services.AddHttpContextAccessor();
            //此处能在Linux及MacOS运行，
            //Windows的路径是LocalApplicationData Path: C:\Users\john\AppData\Local
            //Linux的路径是LocalApplicationData Path: /home/john/.local/share，
            //MacOS 的路径LocalApplicationData Path: /Users/john/Library/Application Support
            string localAppDataPath = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
            //string dbpath = $"{localAppDataPath}\\ExamServer\\LiteDB";
            string dbpath = Path.Combine(localAppDataPath, "ExamServer", "LiteDB");
            if (!System.IO.Directory.Exists(dbpath))
            {
                System.IO.Directory.CreateDirectory(dbpath);
            }
            string liteDBPath = $"Filename={dbpath}/data.db;Connection=shared";

            var connections_LiteDB = new List<LiteDBFactoryOptions>
            {
                new LiteDBFactoryOptions { Name = "Master", Connectionstring = liteDBPath}
            };
            builder.Services.AddLiteDB(connections_LiteDB);
            builder.Services.AddMemoryCache();
            // 注册 ConnectionService 为单例
            builder.Services.AddSingleton<CenterServiceConnectionService>();
            builder.Services.AddSingleton<ServiceInitializer>();
            // 注册 DataQueue 服务
            builder.Services.AddSingleton<DataQueue>();
            // 注册后台服务
            builder.Services.AddHostedService<SubjectPushService>();
            builder.Services.AddCors(options =>
            {
                //options.AddDefaultPolicy(
                //builder =>
                //{

                //    builder.AllowAnyOrigin()
                //            .AllowAnyHeader()
                //            .AllowAnyMethod();
                //});
                options.AddPolicy("any", builder =>
                {
                    //builder.SetIsOriginAllowed(x => true)
                    //.AllowAnyMethod()
                    //.AllowAnyHeader()
                    //.AllowCredentials();
                    builder.AllowAnyOrigin()
                       .AllowAnyHeader()
                       .AllowAnyMethod();
                });

            });
            builder.Services.AddMvcFilter<AuthTokenActionFilter>();
            // 添加自定义日志提供程序
            //builder.Logging.ClearProviders();
            //bool enableConsoleOutput = true;
            //builder.Logging.AddProvider(new CustomFileLoggerProvider(Path.Combine(Directory.GetCurrentDirectory(), "Logs"), enableConsoleOutput));
            // 添加日志服务
            builder.Logging.ClearProviders();
            builder.Logging.AddNLog();
            builder.Services.AddHostedService<SignalRCloudClientHub>();
            var app = builder.Build();

            app.UseDefaultFiles();
            var contentTypeProvider = new FileExtensionContentTypeProvider();
            contentTypeProvider.Mappings[".txt"] = "text/plain";
            contentTypeProvider.Mappings[".jpg"] = "image/jpeg";
            contentTypeProvider.Mappings[".jpeg"] = "image/jpeg";
            contentTypeProvider.Mappings[".png"] = "image/png";
            contentTypeProvider.Mappings[".html"] = "text/html";
            contentTypeProvider.Mappings[".js"] = "application/javascript";
            contentTypeProvider.Mappings[".css"] = "text/css";
            contentTypeProvider.Mappings[".mp4"] = "video/mp4";
            contentTypeProvider.Mappings[".mp3"] = "audio/mpeg";
            contentTypeProvider.Mappings[".json"] = "application/json";
            contentTypeProvider.Mappings[".pdf"] = "application/pdf";
            string packagePath = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot", "package");
            if (!Directory.Exists(packagePath))
            {
                Directory.CreateDirectory(packagePath);
            }
            app.UseStaticFiles();

            // Configure the HTTP request pipeline.

            app.UseHttpsRedirection();
            app.UseRouting();
            app.UseCors("any");
            app.UseAuthorization();


            app.MapControllers();

            app.MapFallbackToFile("/index.html");
            app.MapHub<SignalRExamServerHub>("/signalr/exam").RequireCors("any");
            var connectionManager = app.Services.GetRequiredService<ServiceInitializer>();
            await connectionManager.InitializeAsync();
            await app.RunAsync();
        }
    }
}