using System;
using ApiBasicAuth.Security;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc.ModelBinding;
using Microsoft.AspNetCore.Mvc.ModelBinding.Metadata;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.OpenApi.Models;
using Swashbuckle.AspNetCore.SwaggerGen;

namespace Win_in.Sfs.Scp.WebApi.XmlHost
{
    public class Startup
    {
        public void ConfigureServices(IServiceCollection services)
        {
            // services.AddControllers()
            //     .AddXmlDataContractSerializerFormatters();

            var configuration = services.GetConfiguration();

            services.AddControllers()
                .AddMvcOptions(options =>
                {
                    // options.ModelMetadataDetailsProviders.Add(
                    //     new ExcludeBindingMetadataProvider(typeof(System.Version)));
                    // options.ModelMetadataDetailsProviders.Add(
                    //     new SuppressChildValidationMetadataProvider(typeof(System.Guid)));
                     options.InputFormatters.Insert(0, new XDocumentInputFormatter());
                     // options.OutputFormatters.Insert(0,new XDocumentOutputFormatter());
                })
                .AddXmlDataContractSerializerFormatters()
                .AddXmlSerializerFormatters();


            // services.AddControllers();
            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new OpenApiInfo { Title = "Win_in.Sfs.Scp.WebApi.Xml.Host", Version = "v1" });
                c.SchemaFilter<SwaggerFixArraysInXmlFilter>();
            });

            services.AddAuthentication("BasicAuthentication")
                .AddScheme<AuthenticationSchemeOptions, BasicAuthenticationHandler>("BasicAuthentication", null);

            services.Configure<BasicAuthenticationOptions>(configuration.GetSection("BasicAuthentication"));

            services.Configure<RemoteAuthenticationOptions>(configuration.GetSection("RemoteAuthentication"));

            services.AddSingleton(typeof(IHttpClientInvoker<,>),typeof(HttpClientInvoker<,>));
            services.AddSingleton<ITokenService, TokenService>();

        }

        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory loggerFactory)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseSwagger();
            app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "Win_in.Sfs.Scp.WebApi.Xml.Host v1"));

            app.UseRouting();

            app.UseAuthentication();
            app.UseAuthorization();


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

}
internal class SwaggerFixArraysInXmlFilter : ISchemaFilter
{
    public void Apply(OpenApiSchema schema, SchemaFilterContext context)
    {
        var type = context.Type;

        // Fix issues with xml array examples not generating correctly
        if (type.IsValueType)
        {
            return;
        }

        if (type.Name == "String")
        {
            return;
        }

        schema.Xml = new OpenApiXml { Name = type.Name };
        if (schema.Properties == null)
        {
            return;
        }

        foreach (var property in schema.Properties)
        {
            //Array property, which wraps its elements
            if (property.Value.Type != "array")
            {
                continue;
            }

            property.Value.Xml = new OpenApiXml
            {
                Name = $"{property.Key}",
                Wrapped = true
            };
            property.Value.Items.Xml = new OpenApiXml
            {
                Name = $"{property.Value.Items.Type}",
                Wrapped = true
            };
        }
    }
}