using System.Collections.Generic;
using System.Linq;
using System.Security.Claims;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Ocelot.DependencyInjection;
using Ocelot.Middleware;
using Volo.Abp;
using Volo.Abp.AspNetCore.Serilog;
using Volo.Abp.Autofac;
using Volo.Abp.EntityFrameworkCore.SqlServer;
using Volo.Abp.Identity;
using Volo.Abp.Modularity;
using Volo.Abp.Security.Claims;
using Win_in.Sfs.Shared.Host;

namespace InternalGateway;

[DependsOn(
    typeof(AbpAutofacModule),
    typeof(AbpIdentityHttpApiModule),
    typeof(AbpEntityFrameworkCoreSqlServerModule),
    typeof(AbpAspNetCoreSerilogModule)
)]
public class InternalGatewayHostModule : AbpModule
{
    public override void ConfigureServices(ServiceConfigurationContext context)
    {
        var configuration = context.Services.GetConfiguration();
        _ = context.Services.GetHostingEnvironment();

        context.SetConsoleTitleOfWebApp("Internal.Gateway");

        ConfigureAuthentication(context, configuration);
        //ConfigureSql();
        //ConfigureRedis(context, configuration, hostingEnvironment);
        // ConfigureSwaggerServices(context);
        context.Services.AddOcelot(context.Services.GetConfiguration());
    }

    public override void OnApplicationInitialization(ApplicationInitializationContext context)
    {
        var app = context.GetApplicationBuilder();

        app.UseCorrelationId();
        app.UseRouting();
        app.UseAuthentication();
        //app.UseMultiTenancy();
        //app.UseAuthorization();

        app.Use(async (ctx, next) =>
        {
            var currentPrincipalAccessor = ctx.RequestServices.GetRequiredService<ICurrentPrincipalAccessor>();
            var map = new Dictionary<string, string>()
            {
                { "sub", AbpClaimTypes.UserId },
                { "role", AbpClaimTypes.Role },
                { "email", AbpClaimTypes.Email },
                { "name", AbpClaimTypes.UserName },
                { "tenantid", AbpClaimTypes.TenantId }
            };
            var mapClaims = currentPrincipalAccessor.Principal.Claims.Where(p => map.ContainsKey(p.Type)).ToList();
            currentPrincipalAccessor.Principal.AddIdentity(new ClaimsIdentity(mapClaims.Select(p => new Claim(map[p.Type], p.Value, p.ValueType, p.Issuer))));

            await next().ConfigureAwait(false);
        });

        // app.UseSwagger();
        // app.UseSwaggerUI(options =>
        // {
        //     options.SwaggerEndpoint("/swagger/v1/swagger.json", "Business Service API");
        // });
        //
        // app.MapWhen(
        //     ctx => ctx.Request.Path.ToString().StartsWith("/api/abp/") ||
        //            ctx.Request.Path.ToString().StartsWith("/Abp/"),
        //     app2 =>
        //     {
        //         app2.UseRouting();
        //         app2.UseConfiguredEndpoints();
        //     }
        // );

        app.UseOcelot().Wait();
        app.UseAbpSerilogEnrichers();
    }

    private static void ConfigureAuthentication(ServiceConfigurationContext context, IConfiguration configuration)
    {
        context.Services.AddAuthentication("Bearer")
            .AddIdentityServerAuthentication(options =>
            {
                options.Authority = configuration["AuthServer:Authority"];
                options.RequireHttpsMetadata = false;
                options.ApiName = "InternalGateway";
            });
    }
}