// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Formatters.Xml;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Microsoft.Extensions.Options;
 
namespace Microsoft.Extensions.DependencyInjection;
 
/// <summary>
/// Extension methods for adding XML formatters to MVC.
/// </summary>
public static class MvcXmlMvcBuilderExtensions
{
    /// <summary>
    /// Adds configuration of <see cref="MvcXmlOptions"/> for the application.
    /// </summary>
    /// <param name="builder">The <see cref="IMvcBuilder"/>.</param>
    /// <param name="setupAction">The <see cref="MvcXmlOptions"/> which need to be configured.</param>
    public static IMvcBuilder AddXmlOptions(
        this IMvcBuilder builder,
        Action<MvcXmlOptions> setupAction)
    {
        ArgumentNullException.ThrowIfNull(builder);
        ArgumentNullException.ThrowIfNull(setupAction);
 
        builder.Services.Configure(setupAction);
        return builder;
    }
 
    /// <summary>
    /// Adds the XML DataContractSerializer formatters to MVC.
    /// </summary>
    /// <param name="builder">The <see cref="IMvcBuilder"/>.</param>
    /// <returns>The <see cref="IMvcBuilder"/>.</returns>
    public static IMvcBuilder AddXmlDataContractSerializerFormatters(this IMvcBuilder builder)
    {
        ArgumentNullException.ThrowIfNull(builder);
 
        AddXmlDataContractSerializerFormatterServices(builder.Services);
        return builder;
    }
 
    /// <summary>
    /// Adds the XML DataContractSerializer formatters to MVC.
    /// </summary>
    /// <param name="builder">The <see cref="IMvcBuilder"/>.</param>
    /// <param name="setupAction">The <see cref="MvcXmlOptions"/> which need to be configured.</param>
    /// <returns>The <see cref="IMvcBuilder"/>.</returns>
    public static IMvcBuilder AddXmlDataContractSerializerFormatters(
        this IMvcBuilder builder,
        Action<MvcXmlOptions> setupAction)
    {
        ArgumentNullException.ThrowIfNull(builder);
        ArgumentNullException.ThrowIfNull(setupAction);
 
        AddXmlDataContractSerializerFormatterServices(builder.Services);
        builder.Services.Configure(setupAction);
        return builder;
    }
 
    /// <summary>
    /// Adds the XML Serializer formatters to MVC.
    /// </summary>
    /// <param name="builder">The <see cref="IMvcBuilder"/>.</param>
    /// <returns>The <see cref="IMvcBuilder"/>.</returns>
    public static IMvcBuilder AddXmlSerializerFormatters(this IMvcBuilder builder)
    {
        ArgumentNullException.ThrowIfNull(builder);
 
        AddXmlSerializerFormatterServices(builder.Services);
        return builder;
    }
 
    /// <summary>
    /// Adds the XML Serializer formatters to MVC.
    /// </summary>
    /// <param name="builder">The <see cref="IMvcBuilder"/>.</param>
    /// <param name="setupAction">The <see cref="MvcXmlOptions"/> which need to be configured.</param>
    /// <returns>The <see cref="IMvcBuilder"/>.</returns>
    public static IMvcBuilder AddXmlSerializerFormatters(
        this IMvcBuilder builder,
        Action<MvcXmlOptions> setupAction)
    {
        ArgumentNullException.ThrowIfNull(builder);
 
        AddXmlSerializerFormatterServices(builder.Services);
        builder.Services.Configure(setupAction);
        return builder;
    }
 
    // Internal for testing.
    internal static void AddXmlDataContractSerializerFormatterServices(IServiceCollection services)
    {
        services.TryAddEnumerable(
            ServiceDescriptor.Transient<IConfigureOptions<MvcOptions>, XmlDataContractSerializerMvcOptionsSetup>());
    }
 
    // Internal for testing.
    internal static void AddXmlSerializerFormatterServices(IServiceCollection services)
    {
        services.TryAddEnumerable(
            ServiceDescriptor.Transient<IConfigureOptions<MvcOptions>, XmlSerializerMvcOptionsSetup>());
    }
}