using Microsoft.AspNetCore.Mvc.ApiExplorer;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;
using Swashbuckle.AspNetCore.SwaggerGen;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace LangGuan.Configuration
{
    /// <summary>
    /// 版本控制
    /// </summary>
    public class SwaggerConfigureOptions : IConfigureOptions<SwaggerGenOptions>
    {
        private readonly IApiVersionDescriptionProvider _provider;

        /// <summary>
        /// provider
        /// </summary>
        /// <param name="provider"></param>
        public SwaggerConfigureOptions(IApiVersionDescriptionProvider provider) => _provider = provider;

        /// <summary>
        /// config
        /// </summary>
        /// <param name="options"></param>
        public void Configure(SwaggerGenOptions options)
        {
            foreach (var desc in _provider.ApiVersionDescriptions)
            {
                options.SwaggerDoc(desc.GroupName, new Microsoft.OpenApi.Models.OpenApiInfo
                {
                    Title = "LangGuan Api",
                    Version = desc.ApiVersion.ToString(),
                });
            }
        }
    }
}