using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Nop.Core.Infrastructure;
using Nop.Web.Framework.Infrastructure.Extensions;
using Nop.Web.Framework.Mvc.Routing;

namespace Nop.Web.Framework.Infrastructure;

/// <summary>
/// Represents object for the configuring common features and middleware on application startup
/// </summary>
public partial class NopCommonStartup : INopStartup
{
    /// <summary>
    /// Add and configure any of the middleware
    /// </summary>
    /// <param name="services">Collection of service descriptors</param>
    /// <param name="configuration">Configuration of the application</param>
    public virtual void ConfigureServices(IServiceCollection services, IConfiguration configuration)
    {
        //add options feature
        services.AddOptions();

        //add distributed cache
        services.AddDistributedCache();

        //add HTTP session state feature
        services.AddHttpSession();

        //add default HTTP clients
        services.AddNopHttpClients();

        //add anti-forgery
        services.AddAntiForgery();

        //add theme support
        services.AddThemes();

        //add routing
        services.AddRouting(options =>
        {
            //add constraint key for language
            options.ConstraintMap[NopRoutingDefaults.LanguageParameterTransformer] = typeof(LanguageParameterTransformer);
        });
    }

    /// <summary>
    /// Configure the using of added middleware
    /// </summary>
    /// <param name="application">Builder for configuring an application's request pipeline</param>
    public virtual void Configure(IApplicationBuilder application)
    {
        //check whether requested page is keep alive page
        application.UseKeepAlive();

        //check whether database is installed
        application.UseInstallUrl();

        //use HTTP session
        application.UseSession();

        //use request localization
        application.UseNopRequestLocalization();

        //configure PDF
        application.UseNopPdf();
    }

    /// <summary>
    /// Gets order of this startup configuration implementation
    /// </summary>
    public int Order => 100; //common services should be loaded after error handlers
}