using HuiXin.Gateway.Ocelot.Extensions;
using Serilog;
using System.Security.Cryptography;

namespace HuiXin.Gateway.Ocelot
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //BuildJwt();

            var configuration = new ConfigurationBuilder()
                                    .AddJsonFile("Configs/ocelot.json", false, true)
                                    .AddJsonFile("Configs/jwt.json", false, false)
                                    .AddJsonFile("Configs/serilog.json", false, true)
                                    .Build();

            var logger = new LoggerConfiguration()
                .ReadFrom.Configuration(configuration)
                .CreateLogger();
            Log.Logger = logger;

            try
            {
                var builder = WebApplication.CreateBuilder(args);

                builder.Configuration.AddConfiguration(configuration);

                var services = builder.Services;

                services.AddCors();
                services.AddLogging(loggingBuilder => loggingBuilder.ClearProviders().AddSerilog());

                services.AddJWT(configuration);

                services.AddMyOcelot(configuration);

                var app = builder.Build();

                app.UseCors();
                app.UseJWT();

                app.UseMyOcelot();

                app.Run();

                Log.Information("系统已启动");
            }
            catch (Exception ex)
            {
                Log.Fatal(ex, "系统异常");
            }
            finally
            {
                Log.CloseAndFlush();
            }
        }

        static void BuildJwt()
        {
            using var aes = Aes.Create();
            aes.KeySize = 256;
            aes.GenerateKey();
            var sign = Convert.ToBase64String(aes.Key);
            var extraHeaders = new Dictionary<string, string> { { "kid", "MyKey" } };
            //过期时间(可以不设置，下面表示签名后 10秒过期)
            double exp = (DateTime.UtcNow.AddDays(10) - new DateTime(1970, 1, 1)).TotalSeconds;
            var payload = new Dictionary<string, object>
            {
                        { "userId", "001" },
                        { "userAccount", "fan" },
                        { "exp",exp }
            };
            Console.WriteLine("Token：" + JWTUtil.CreateJwtToken(payload, sign, extraHeaders));
        }
    }
}