using FluentValidation;
using FluentValidation.AspNetCore;
using IM.ASPNETCore;
using IM.Commons;
using IM.Jwt;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using RedLockNet;
using RedLockNet.SERedis;
using RedLockNet.SERedis.Configuration;
using StackExchange.Redis;
using Swashbuckle.AspNetCore.SwaggerGen;
using Winton.Extensions.Configuration.Consul;
using IM.InitCommon.Management;

namespace IM.InitCommon
{
    public static class WebApplicationBuilderExtensions
    {
        public static void ConfigureDbConfiguration(this WebApplicationBuilder builder)
        {
            if (!builder.Configuration.GetValue("Consul:Enabled", true)) return; builder.Host.ConfigureAppConfiguration((hostCtx, configbuilder) =>
            {
                var env = hostCtx.HostingEnvironment;

                string serviceName = env.ApplicationName.Replace(".WebApi", "");

                // 优先从环境变量读取
                string consulUrl =
                    Environment.GetEnvironmentVariable("CONSUL_URL")
                    ?? "http://192.168.5.100:8501";

                string consulKey = $"IM/{env.EnvironmentName}/appsettings.json";
                string serviceConsulKey = $"IM/{env.EnvironmentName}/{serviceName}/appsettings.json";

                configbuilder.AddConsul(
                    consulKey,
                    options =>
                    {
                        options.ConsulConfigurationOptions = cco =>
                        {
                            cco.Address = new Uri(consulUrl);
                        };

                        options.ReloadOnChange = true;
                    });

                configbuilder.AddConsul(
                    serviceConsulKey,
                    options =>
                    {
                        options.ConsulConfigurationOptions = cco =>
                        {
                            cco.Address = new Uri(consulUrl);
                        };

                        options.Optional = true;
                        options.ReloadOnChange = true;
                    });
            });
        }

        public static void ConfigExtraServices(this WebApplicationBuilder builder)
        {
            var services = builder.Services;
            var configuration = builder.Configuration;
            services.AddManagementRuntime();


            var assemblies = ReflectionHelper.GetAllReferencedAssemblies();

            services.RunModuleInitializers(assemblies);

            services.AddAutoMapper(cfg => { }, assemblies);

            //数据库配置
            var conOpt = configuration.GetSection("ConnectionStrings").Get<ConnectionStringOptions>();
            builder.Services.Configure<GrpcOptions>(builder.Configuration.GetSection("GrpcConfigs"));

            services.AddMediatR(ctx =>
            {
                ctx.RegisterServicesFromAssemblies([.. assemblies]);
            });

            var rabbitmqOpt = configuration.GetSection("RabbitMQOptions").Get<RabbitMqOptions>();

            services.AddRabbitMq(rabbitmqOpt, assemblies);

            services.AddAllDbContexts(options =>
            {
                options.UseMySql(conOpt.DefaultConnection, ServerVersion.AutoDetect(conOpt.DefaultConnection));
            }, assemblies);

            services.Configure<SwaggerGenOptions>(c =>
            {

            });

            services.Configure<ApiBehaviorOptions>(options =>
            {
                // 禁用默认的自动 400 响应
                options.SuppressModelStateInvalidFilter = true;
            });



            JwtOptions jwtOptions = configuration.GetSection("Jwt").Get<JwtOptions>();

            services.AddJwt(jwtOptions);

            services.Configure<MvcOptions>(m =>
            {
                m.Filters.Add<UnitOfWorkFilter>();
                m.Filters.Add<ValidatorFilter>();
            });

            services.Configure<JwtOptions>(configuration.GetSection("Jwt"));

            services.Configure<StorageOptions>(configuration.GetSection("StorageOptions"));

            //模型校验
            services.AddValidatorsFromAssemblies(assemblies);

            services.AddFluentValidationAutoValidation();


            //配置跨域
            services.AddCors(options =>
            {
                //更好的在Program.cs中用绑定方式读取配置的方法：https://github.com/dotnet/aspnetcore/issues/21491
                //不过比较麻烦。
                var corsOpt = configuration.GetSection("Cors").Get<CorsOptions>();
                string[] urls = corsOpt.Origins;
                options.AddDefaultPolicy(builder => builder.WithOrigins(urls)
                        .AllowAnyMethod().AllowAnyHeader().AllowCredentials());
            }
            );


            //redis
            IConnectionMultiplexer redisCon = ConnectionMultiplexer.Connect(conOpt.Redis);

            services.AddStackExchangeRedisCache(options =>
            {
                options.ConnectionMultiplexerFactory = () => Task.FromResult<IConnectionMultiplexer>(redisCon);
            });
            services.AddSingleton<IDistributedLockFactory>(sp =>
            {
                var connection = sp.GetRequiredService<IConnectionMultiplexer>();
                // 这里可以配置多个 Redis 节点提高安全性，单机运行传一个即可
                return RedLockFactory.Create(new List<RedLockMultiplexer> { new RedLockMultiplexer(redisCon) });
            });


            services.AddSingleton(typeof(IConnectionMultiplexer), redisCon);


            services.Configure<ForwardedHeadersOptions>(f =>
            {
                f.ForwardedHeaders = Microsoft.AspNetCore.HttpOverrides.ForwardedHeaders.All;
            });

            services.AddSwaggerGenOpt();

            services.AddControllers()
    .AddJsonOptions(options =>
    {
        // 将枚举转换为字符串的转换器
        options.JsonSerializerOptions.Converters.Add(new System.Text.Json.Serialization.JsonStringEnumConverter());
    });



        }
    }
}