using Microsoft.Extensions.DependencyInjection;
using Microsoft.OpenApi.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using WIDESEAWCS_Core.Helper;
using static WIDESEAWCS_Core.Extensions.CustomApiVersion;
using Swashbuckle.AspNetCore.Filters;
using Microsoft.Extensions.Logging;
using OfficeOpenXml.FormulaParsing.Excel.Functions.Math;

namespace WIDESEAWCS_Core.Extensions
{
    /// <summary>
    /// Swagger 
    /// </summary>
    public static class SwaggerSetup
    {
        /// <summary>
        /// Swagger
        /// </summary>
        /// <param name="services"></param>
        /// <exception cref="ArgumentNullException"></exception>
        public static void AddSwaggerSetup(this IServiceCollection services)
        {
            if (services == null) throw new ArgumentNullException(nameof(services));

            var basePath = AppContext.BaseDirectory;
            //var basePath2 = Microsoft.DotNet.PlatformAbstractions.ApplicationEnvironment.ApplicationBasePath;
            var ApiName = AppSettings.app(new string[] { "ApiName" });

            services.AddSwaggerGen(c =>
            {
                //遍历出全部的版本，做文档信息展示
                typeof(ApiVersions).GetEnumNames().ToList().ForEach(version =>
                {
                    c.SwaggerDoc(version, new OpenApiInfo
                    {
                        Version = version,
                        Title = $"{ApiName} 接口文档——{RuntimeInformation.FrameworkDescription}",
                        Description = $"{ApiName} HTTP API " + version,
                    });
                    c.OrderActionsBy(o => o.RelativePath);
                });

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

                    //这个就是Model层的xml文件名
                    //var xmlModelPath = Path.Combine(basePath, "WIDESEAWCS_Server.Model.xml");
                    //c.IncludeXmlComments(xmlModelPath);
                }
                catch (Exception ex)
                {
                    //log.Error("Blog.Core.xml和Blog.Core.Model.xml 丢失，请检查并拷贝。\n" + ex.Message);
                }

                // 开启加权小锁
                c.OperationFilter<AddResponseHeadersFilter>();
                c.OperationFilter<AppendAuthorizeToSummaryOperationFilter>();

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

                c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
                {
                    Description = "JWT授权token前面需要加上字段Bearer与一个空格,如Bearer token",
                    Name = "Authorization",
                    In = ParameterLocation.Header,
                    Type = SecuritySchemeType.ApiKey,
                    BearerFormat = "JWT",
                    Scheme = "Bearer"
                });

                c.AddSecurityRequirement(new OpenApiSecurityRequirement
                {
                    {
                        new OpenApiSecurityScheme
                        {
                            Reference = new OpenApiReference {
                                Type = ReferenceType.SecurityScheme,
                                Id = "Bearer"
                            }
                        },
                        new string[] { }
                    }
                });
            }).AddControllers()
            .ConfigureApiBehaviorOptions(options =>
            {
                options.SuppressConsumesConstraintForFormFileParameters = true;
                options.SuppressInferBindingSourcesForParameters = true;
                options.SuppressModelStateInvalidFilter = true;
                options.SuppressMapClientErrors = true;
                options.ClientErrorMapping[404].Link =
                    "https://*/404";
            });
            //services.AddSwaggerGenNewtonsoftSupport();
        }
    }

    /// <summary>
    /// 自定义版本
    /// </summary>
    public class CustomApiVersion
    {
        /// <summary>
        /// Api接口版本 自定义
        /// </summary>
        public enum ApiVersions
        {
            /// <summary>
            /// V1 版本
            /// </summary>
            V1 = 1,
            /// <summary>
            /// V2 版本
            /// </summary>
            V2 = 2,
        }
    }
}