using IWareCC.CacheInfo.Container;
using IWareCC.ORM;
using IWareCC.Properties;
using IWareCommon.Enum.Common;
using IWareCommon.Help;
using IWareCommon.Util;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace IWareCC.DecomposeTask.Handle.DecomposeTask
{
    public class 按策略获取一个待分解任务 : IHandler
    {


        private IHandler nextHandler = null;
        /// <summary>
        /// 该节点的下一个节点
        /// </summary>
        public IHandler NextHandler
        {
            set { nextHandler = value; }
        }


        /// <summary>
        /// 主任务容器
        /// </summary>
        private MainTaskContainer MainTaskContainer;



        /// <summary>
        /// 从数据库里提取一个待分解的主任务
        /// </summary>
        public 按策略获取一个待分解任务(MainTaskContainer mainTaskContainer)
        {
            this.MainTaskContainer = mainTaskContainer;
        }

        /// <summary>
        /// 从数据库中提取一个未分解的主任务（按照分解次数,优先级,创建时间排序）
        /// </summary>
        public void Handle()
        {

            using (var dbModel = new DbModel())
            {
                try
                {
                    //调整排序方式，按照（优先级，分解次数，创建时间排序） 【Editby shaocx,2024-02-28】
                    //var mTask = dbModel.MainTasks.OrderByDescending(x => x.id).ThenBy(x => x.decompositiontimes).ThenBy(x => x.sendtime).ThenByDescending(x => x.priority).FirstOrDefault(x => x.status == (int)EMainTaskStatus.未分解);
                    var mTask = dbModel.MainTasks.OrderByDescending(x => x.priority).ThenBy(x => x.decompositiontimes).ThenBy(x => x.sendtime).FirstOrDefault(x => x.status == (int)EMainTaskStatus.未分解);
                    if (mTask == null)
                    {
                        //  LogTextHelper.WriteLine(Resources.LogDir + @"/分解任务流程", "获取第一个分解任务:暂无待分解的任务");
                        return;
                    }
                    mTask.decompositiontimes += 1;
                    dbModel.SaveChanges();
                    MainTaskContainer.DecompositionMainTask = mTask;
                    LogTextHelper.WriteLine(Resources.LogDir + @"/分解任务流程", "获取第一个分解任务:{0}", mTask.id);

                    if (nextHandler != null)
                    {
                        nextHandler.Handle();
                    }

                }
                catch (Exception ex)
                {
                    LogTextHelper.WriteLog(Resources.LogDir, this.ToString(), "Handle", ex.Message);
                }
            }


        }
    }
}