using System;
using System.IO;
using DS.WMS.PrintApi.Utils;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.OpenApi.Models;
using Swashbuckle.AspNetCore.Filters;

namespace DS.WMS.PrintApi
{
    /// <summary>
    /// Swagger 启动服务
    /// </summary>
    public static class SwaggerSetup
    {
        public static IServiceCollection AddSwaggerSetup(this IServiceCollection services)
        {
            if (services == null) throw new ArgumentNullException(nameof(services));

            string url = AppSetting.Configuration["SwaggerDoc:ContactUrl"];
            //if (string.IsNullOrEmpty(url))
            //{
            //    throw new OsharpException("配置文件中Swagger节点的Url不能为空");
            //}
            var basePath = AppContext.BaseDirectory;
            services.AddMvcCore().AddApiExplorer();
            services.AddSwaggerGen(options =>
            {
                string contactName = AppSetting.Configuration["SwaggerDoc:ContactName"];
                string contactNameEmail = AppSetting.Configuration["SwaggerDoc:ContactEmail"];
                string contactUrl = AppSetting.Configuration["SwaggerDoc:ContactUrl"];
                options.SwaggerDoc("v1", new OpenApiInfo
                {
                    Version = AppSetting.Configuration["SwaggerDoc:Version"],
                    Title = AppSetting.Configuration["SwaggerDoc:Title"],
                    Description = AppSetting.Configuration["SwaggerDoc:Description"],
                    Contact = new OpenApiContact
                        { Name = contactName, Email = contactNameEmail, Url = new Uri(contactUrl) },
                    License = new OpenApiLicense { Name = contactName, Url = new Uri(contactUrl) }
                });


                try
                {
                    //就是这里
                    var xmlPath = Path.Combine(basePath, "Api.xml"); //这个就是刚刚配置的xml文件名
                    options.IncludeXmlComments(xmlPath, true); //默认的第二个参数是false，这个是controller的注释，记得修改

                    //var xmlModelPath = Path.Combine(basePath, "Data.xml");//这个就是Model层的xml文件名
                    //options.IncludeXmlComments(xmlModelPath);
                }
                catch (Exception ex)
                {
                    throw new Exception("Api.xml丢失，请检查并拷贝。\n" + ex.Message);
                }

                // 开启加权小锁
                //options.OperationFilter<AddHeaderOperationFilter>("correlationId", "Correlation Id for the request", false); // adds any string you like to the request headers - in this case, a correlation id

                options.OperationFilter<AddResponseHeadersFilter>();
                options.OperationFilter<AppendAuthorizeToSummaryOperationFilter>();

                // 在header中添加token，传递到后台
                options.OperationFilter<SecurityRequirementsOperationFilter>();


                // 必须是 Bearer
                options.AddSecurityDefinition("oauth2", new OpenApiSecurityScheme
                {
                    Description = "JWT授权(数据将在请求头中进行传输) 直接在下框中输入Bearer {token}（注意两者之间是一个空格）\"",
                    Name = "Authorization", //jwt默认的参数名称
                    In = ParameterLocation.Header, //jwt默认存放Authorization信息的位置(请求头中)
                    Type = SecuritySchemeType.ApiKey,
                    // BearerFormat = "JWT", //标识承载令牌的格式 该信息主要是出于文档目的
                    Scheme = "Bearer" //授权中要使用的HTTP授权方案的名称
                });
                //在Heder中添加Token 传递到后台
                options.AddSecurityRequirement(new OpenApiSecurityRequirement
                {
                    {
                        new OpenApiSecurityScheme
                        {
                            Reference = new OpenApiReference
                            {
                                Type = ReferenceType.SecurityScheme,
                                Id = "oauth2"
                            }
                        },
                        new string[] { }
                    }
                });
            });

            return services;
        }
    }
}