using LongHuParkApi.Common;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.FileProviders;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.OpenApi.Models;
using Newtonsoft.Json;
using PictureFilesApi.Services;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;

namespace PictureFilesApi
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            //TODO:添加swagger
            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new OpenApiInfo { Title = "图片文件API", Version = "v1" });
                // 获取xml文件名
                var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
                // 获取xml文件路径
                var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);
                // 添加控制器层注释，true表示显示控制器注释
                c.IncludeXmlComments(xmlPath, true);

                c.OperationFilter<SiteIdHeaderParameter>();
            });


            //TODO:添加httpContext
            services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
            services.AddSingleton<PlatformServices>();

            services.AddControllers(option =>
            {
            }).AddNewtonsoftJson(options =>
            {
                //忽略循环引用
                options.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;
                //不使用驼峰样式的key
                //options.SerializerSettings.ContractResolver = new Newtonsoft.Json.Serialization.DefaultContractResolver();    
                options.SerializerSettings.DateFormatString = "yyyy-MM-dd HH:mm:ss";
            });

            //TODO:cache缓存
            services.AddMemoryCache();
            //TODO：跨域
            services.AddCors(options =>
            {
                options.AddPolicy("CorsPolicy",
                    builder => builder.AllowAnyOrigin()
                                      .AllowAnyMethod()
                                      .AllowAnyHeader());
            });
            //TODO：添加过滤器
            services.AddMvc(option =>
            {
                option.Filters.Add(typeof(CustomActionFilter));
            });

            services.Configure<FormOptions>(x =>
            {
                x.ValueLengthLimit = int.MaxValue;
                x.MultipartBodyLengthLimit = 1073741824;
                x.MemoryBufferThreshold = int.MaxValue;


            });
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            // 使用跨域配置
            app.UseCors("CorsPolicy");
            //可以访问根目录下面的静态文件
            //静态文件选项
            var staticfile = new StaticFileOptions
            {
                FileProvider = new PhysicalFileProvider(AppContext.BaseDirectory),
                ContentTypeProvider = new Microsoft.AspNetCore.StaticFiles.FileExtensionContentTypeProvider(new Dictionary<string, string>
                {
                    { ".amr","audio/AMR" },
                    { ".apk","application/vnd.android.package-archive" },
                    { ".cpg","application/vnd.android.package-archive" },
                    { ".dbf","application/vnd.android.package-archive" },
                    { ".shp","application/vnd.android.package-archive" },
                    { ".shx","application/vnd.android.package-archive" },
                    { ".zip","application/zip" },
                    { ".jpeg","image/jpeg" },
                    { ".jpg","image/jpg" },
                    { ".png","image/png" },
                    { ".mp4","video/mpeg4" },
                    { ".doc","application/octet-stream" },
                    { ".docx","application/octet-stream" },
                    { ".xls","application/octet-stream" },
                    { ".xlsx","application/octet-stream" },
                    { ".pdf","application/octet-stream" },
                    { ".pptx","application/vnd.openxmlformats-officedocument.presentationml.presentation" },
                    { ".dwg","application/acad"},
                    { ".rar","application/x-rar-compressed"},
                })
            };
            app.UseStaticFiles(staticfile);

            //TODO:添加swagger
            // 添加Swagger有关中间件
            app.UseSwagger();

            var useSwagger = Configuration.GetSection("UseSwagger").Value;
            if (useSwagger == "1")
            {
                app.UseSwaggerUI(c =>
                {
                    c.SwaggerEndpoint("/swagger/v1/swagger.json", "版本 v1");
                });
            }

            app.UseRouting();


            app.UseAuthorization();

            //添加Router路由设置
            app.UseEndpoints(endpoints =>
            {
                endpoints.Map("/", context =>
                {
                    context.Response.Redirect("swagger");
                    return Task.CompletedTask;
                });
                endpoints.Map("weatherforecast", context =>
                {
                    context.Response.Redirect("swagger");
                    return Task.CompletedTask;
                });
                endpoints.MapControllerRoute(
                        name: "default",
                        pattern: "api/{controller=Values}/{action=Index1}/{id?}"
                        );
            });
        }
    }
}