using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.AspNetCore.Builder;

using Newtonsoft.Json;

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Configuration;
using HuanMeng.DotNetCore.MultiTenant;
using HuanMeng.MiaoYu.Model.DbSqlServer.Db_MiaoYu;
using Microsoft.EntityFrameworkCore;
using HuanMeng.DotNetCore.MultiTenant.Contract;

namespace HuanMeng.MiaoYu.Code.MultiTenantUtil
{
    /// <summary>
    /// 多租户扩展 
    /// </summary>
    public static class MiaoYuMultiTenantExtension
    {
        /// <summary>
        /// 多租户IServiceCollection扩展 
        /// </summary>
        /// <param name="serviceCollection"></param>
        public static void AddMultiTenantMiaoYu(this IHostApplicationBuilder builder)
        {

            //初始学生数据库
            string MiaoYu_SqlServer_Db = builder.Configuration.GetConnectionString("MiaoYu_SqlServer_Db") ?? "";

            MiaoYuMultiTenantConfig miaoYuMultiTenantConfig = new MiaoYuMultiTenantConfig(MiaoYu_SqlServer_Db); builder.Services.AddSingleton<MiaoYuMultiTenantConfig>(miaoYuMultiTenantConfig);

            //添加单个租户的配置项
            builder.Services.AddScoped<ITenantInfo, TenantInfo>();

            //添加系统数据库
            builder.Services.AddDbContext<MiaoYuContext>((serviceProvider, options) =>
            {
                var m = serviceProvider.GetRequiredService<ITenantInfo>();
                string sunnySportConnectionString = "";
                if (m != null)
                {
                    sunnySportConnectionString = m.ConnectionString ?? MiaoYu_SqlServer_Db;
                }
                if (string.IsNullOrEmpty(sunnySportConnectionString))
                {
                    sunnySportConnectionString = MiaoYu_SqlServer_Db;
                }
                options
               .UseSqlServer(sunnySportConnectionString);
                //
                //options.UseSqlServer
            }, ServiceLifetime.Scoped);


        }
        /// <summary>
        /// 多租户IApplicationBuilder扩展
        /// </summary>
        /// <param name="app"></param>
        /// <returns></returns>
        public static IApplicationBuilder UseMultiTenantMiaoYu(this IApplicationBuilder app)
        {
            return app.UseMiddleware<MiaoYuMultiTenantTenantMiddleware>();
        }
    }
}