using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;

using Quartz;
using Quartz.Core;
using Quartz.Impl;

namespace TopshelfStudy.NetCoreDemo
{
    public static class QuartzNetExtensions
    {
        public static IServiceCollection AddCustomQuartz(this IServiceCollection services)
        {
            var config =  services.BuildServiceProvider().GetRequiredService<Microsoft.Extensions.Configuration.IConfiguration>();

            //配置
            var option = new NameValueCollection
            {
                //实例名
                ["quartz.scheduler.instanceName"] = "MissionQuartzScheduler",
                //线程数
                ["quartz.threadPool.threadCount"] = "10",
                //线程超时
                ["quartz.jobStore.misfireThreshold"] = "60000",
                //Job数据可以使用序列化数据，而非只能使用字符串
                ["quartz.serializer.type"] = "json",

                //配置以使用作业StoreTx
                ["quartz.jobStore.type"] = "Quartz.Impl.AdoJobStore.JobStoreTX, Quartz",
                //将 AdoJobStore 配置为使用驱动程序委托
                ["quartz.jobStore.driverDelegateType"] = "Quartz.Impl.AdoJobStore.StdAdoDelegate, Quartz",
                //使用表前缀配置 AdoJobStore
                ["quartz.jobStore.tablePrefix"] = "QRTZ_",
                //使用“要使用的数据源名称”配置 AdoJobStore
                ["quartz.jobStore.dataSource"] = "quarztDS",
                //设置数据源的连接字符串
                ["quartz.dataSource.quarztDS.connectionString"] = config.GetConnectionString("SolutionConnection"),
                //设置数据库提供程序
                ["quartz.dataSource.quarztDS.provider"] = "MySql",
                //将 AdoJobStore 配置为将字符串用作作业数据映射值（建议）
                ["quartz.jobStore.useProperties"] = "false",

                // 负载均衡
                ["quartz.jobStore.clustered"] = "true",
                ["quartz.scheduler.instanceId"] = "AUTO",
            };

            //使用quartz.config配置文件
            var factory = new StdSchedulerFactory();

            //或者：使用程序配置项
            //var factory = new StdSchedulerFactory(option);
            var scheduler = factory.GetScheduler().Result;
            
            services.AddSingleton<ISchedulerFactory>(factory);
            services.AddSingleton<IScheduler>(scheduler);

            services.AddSingleton<CustomSchedulerListener>();
            services.AddSingleton<CustomJobListener>();
            services.AddSingleton<CustomTriggerListener>();

            return services;
        }
    }
}