using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

using Microsoft.AspNetCore.TestHost;

using System;
using System.Collections.Generic;

using XUnitDIStudy.Service;

namespace XUnitDIStudy.Test
{
    public class Startup
    {
        /// <summary>
        /// 自定义 host 构建
        /// </summary>
        /// <param name="hostBuilder"></param>
        public void ConfigureHost(IHostBuilder hostBuilder)
        {
            hostBuilder
                .ConfigureWebHost(config =>
                {
                    config
                    .UseTestServer()
                    .UseStartup<WebApp.Startup>();
                })
                .ConfigureAppConfiguration(builder =>
                {
                    // 注册配置
                    builder
                        .AddInMemoryCollection(new Dictionary<string, string>()
                        {
                            {"UserName", "Alice"}
                        })
                        .AddJsonFile("appsettings.json");
                })
                .ConfigureServices((context, services) =>
                {
                    // 注册自定义服务
                    services.AddSingleton<IStudentService,StudentService>();

                    if (context.Configuration.GetValue<bool>("EnableDemo"))
                    {
                        
                    }
                });
        }

        /// <summary>
        /// 注册服务(支持以下三种)
        /// ConfigureServices(IServiceCollection services)
        /// ConfigureServices(IServiceCollection services, HostBuilderContext hostBuilderContext)
        /// ConfigureServices(HostBuilderContext hostBuilderContext, IServiceCollection services)
        /// </summary>
        public void ConfigureServices(IServiceCollection services, HostBuilderContext hostBuilderContext)
        {
            
        }

        
        /// <summary>
        /// 配置服务：类似于 asp.net core 里 Configure 方法
        /// 可以注册已经注册的自定义服务
        /// </summary>
        public void Configure(IServiceProvider applicationServices)
        {

        }
    }
}