using Microsoft.OpenApi.Models;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using Swashbuckle.AspNetCore.SwaggerUI;

namespace MESApplication;

public class Startup
{
    public readonly string MyAllowSpecificOrigins =
        "_myAllowSpecificOrigins";

    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)
    {
        services.AddControllers();
        services.AddSwaggerGen(c =>
        {
            c.SwaggerDoc("v1",
                new OpenApiInfo
                    { Title = "WebFirst.Api", Version = "v1" });
        });

        //配置JSON.NET
        services.AddControllers().AddNewtonsoftJson(opt =>
        {
            //忽略循环引用
            opt.SerializerSettings.ReferenceLoopHandling =
                ReferenceLoopHandling.Ignore;

            //不改变字段大小
            // opt.SerializerSettings.ContractResolver =
            //     new DefaultContractResolver();

            // 设置命名策略为驼峰命名
            opt.SerializerSettings.ContractResolver =
                new CamelCasePropertyNamesContractResolver();
        });

        //配置可以跨域
        services.AddCors(options =>
        {
            options.AddPolicy(MyAllowSpecificOrigins,
                builder => builder.AllowAnyOrigin()
                    .AllowAnyHeader()
                    .WithMethods("GET", "POST", "HEAD", "PUT", "DELETE",
                        "OPTIONS")
            );
        });
    }

    // 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();
            app.UseSwagger();
            app.UseSwaggerUI(c =>
            {
                c.InjectJavascript("");
                c.SwaggerEndpoint("/swagger/v1/swagger.json", "API");
                c.DocExpansion(DocExpansion
                    .None);
                c.DefaultModelsExpandDepth(-1);
            });
        }

        app.UseCors(MyAllowSpecificOrigins); //添加这个

        app.UseRouting();

        app.UseAuthorization();

        app.UseEndpoints(endpoints => { endpoints.MapControllers(); });
    }
}