using EasyNetQ;
using MalwareMultiScan.Api.Services;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.OpenApi.Models;
using MongoDB.Driver;

namespace MalwareMultiScan.Api
{
    public class Startup
    {
        private readonly IConfiguration _configuration;

        public Startup(IConfiguration configuration)
        {
            _configuration = configuration;
        }

        public void ConfigureServices(IServiceCollection services)
        {
            services.AddSingleton(x =>
                RabbitHutch.CreateBus(_configuration.GetConnectionString("RabbitMQ")));

            services.AddSingleton<ScanBackendService>();
            services.AddSingleton<ScanResultService>();

            services.AddSingleton(
                serviceProvider =>
                {
                    var db = new MongoClient(_configuration.GetConnectionString("Mongo"));

                    return db.GetDatabase(
                        _configuration.GetValue<string>("DatabaseName"));
                });

            services.AddControllers();
            services.AddHttpClient();

            services.AddSwaggerGen(options =>
            {
                options.SwaggerDoc("MalwareMultiScan",
                    new OpenApiInfo
                    {
                        Title = "MalwareMultiScan",
                        Version = "1.0.0"
                    });
            });

            services.AddHostedService<ReceiverHostedService>();
        }

        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            app.UseRouting();

            var forwardingOptions = new ForwardedHeadersOptions
            {
                ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto
            };

            forwardingOptions.KnownNetworks.Clear();
            forwardingOptions.KnownProxies.Clear();

            app.UseForwardedHeaders(forwardingOptions);

            app.UseEndpoints(endpoints => endpoints.MapControllers());

            app.UseSwagger();

            app.UseSwaggerUI(options =>
            {
                options.DocumentTitle = "MalwareMultiScan";

                options.SwaggerEndpoint(
                    $"/swagger/{options.DocumentTitle}/swagger.json", options.DocumentTitle);
            });
        }
    }
}