using Asp.Versioning.ApiExplorer;
using Microsoft.Extensions.Options;
using Microsoft.OpenApi.Models;
using Swashbuckle.AspNetCore.SwaggerGen;

namespace OliverBooth.Api;

internal sealed class ConfigureSwaggerOptions(IApiVersionDescriptionProvider provider)
    : IConfigureNamedOptions<SwaggerGenOptions>
{
    public void Configure(SwaggerGenOptions options)
    {
        foreach (var description in provider.ApiVersionDescriptions)
        {
            options.SwaggerDoc(description.GroupName, CreateVersionInfo(description));
        }
    }

    public void Configure(string? name, SwaggerGenOptions options)
    {
        Configure(options);
    }

    private OpenApiInfo CreateVersionInfo(
        ApiVersionDescription description)
    {
        var info = new OpenApiInfo
        {
            Title = "api.oliverbooth.dev",
            Version = description.ApiVersion.ToString()
        };

        if (description.IsDeprecated)
        {
            info.Description += " This API version has been deprecated.";
        }

        return info;
    }
}