using FlexJobApi.Core;
using Furion.DatabaseAccessor;
using Furion.FriendlyException;
using Furion.Schedule;
using MediatR;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using Microsoft.Extensions.Options;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FlexJobApi.CommonServer.Application
{
    /// <summary>
    /// 任务调度-作业
    /// </summary>
    public class ScheduleJobDetailCommandHandler(
            IRepository<Resource> repResource,
            ResourceHttpUtils resourceHttpUtils,
            ISchedulerFactory schedulerFactory
        ) :
        IRequestHandler<SaveScheduleJobDetailCommand, bool>
    {
        private readonly IRepository<Resource> repResource = repResource;
        private readonly ResourceHttpUtils resourceHttpUtils = resourceHttpUtils;
        private readonly ISchedulerFactory schedulerFactory = schedulerFactory;

        /// <summary>
        /// 保存任务调度-作业
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public Task<bool> Handle(SaveScheduleJobDetailCommand request, CancellationToken cancellationToken)
        {
            // 创建 HTTP 作业消息
            var jobBuilder = JobBuilder
                .Create<ResourceHttpJob>()
                .AddProperty(nameof(ResourceHttpJob), Schedular.Serialize(request));
            // 添加作业
            schedulerFactory.AddJob(jobBuilder, Triggers.Cron(request.Cron, Furion.TimeCrontab.CronStringFormat.WithSeconds));
            return Task.FromResult(true);
        }
    }
}