using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Learun.Util;
using Microsoft.AspNet.SignalR;

namespace Learun.Application.TwoDevelopment.EducationalAdministration
{
    public class SignUpOnlineHelper
    {

        public readonly static SignUpOnlineHelper Instance = new SignUpOnlineHelper();
        public SignUpOnlineHelper()
        { }
        public static Queue<StuSelectLessonListOfElectiveOnlineEntity> ListQueue = new Queue<StuSelectLessonListOfElectiveOnlineEntity>();
        private StuInfoBasicIBLL stuInfoBasicIBLL = new StuInfoBasicBLL();
        private LessonInfoOfElectiveOnlineIBLL lessonInfoOfElectiveOnlineIBLL = new LessonInfoOfElectiveOnlineBLL();
        private StuSelectLessonListOfElectiveOnlineIBLL stuSelectLessonListOfElectiveOnlineIBLL = new StuSelectLessonListOfElectiveOnlineBLL();
        private Thread t;

        public static void AddQueue(string stuNo, string lioeoId) //入列  
        {
            StuSelectLessonListOfElectiveOnlineEntity entity = new StuSelectLessonListOfElectiveOnlineEntity();
            entity.StuNo = stuNo;
            entity.LIOEOId = lioeoId;
            ListQueue.Enqueue(entity);
        }
        public void Start()//启动  
        {
            if (t == null)
            {
                t = new Thread(threadStart);
                t.IsBackground = true;
                t.Start();
            }
            else
            {
                if (!t.IsAlive)
                {
                    t = new Thread(threadStart);
                    t.IsBackground = true;
                    t.Start();
                }
            }
        }

        private void threadStart()
        {
            while (true)
            {
                if (ListQueue.Count > 0)
                {
                    try
                    {
                        ScanQueue();
                    }
                    catch (Exception ex)
                    {
                    }
                }
                else
                {
                    //没有任务，休息3秒钟  
                    Thread.Sleep(3000);
                }
            }
        }

        //要执行的方法  
        private void ScanQueue()
        {
            while (ListQueue.Count > 0)
            {
                try
                {
                    //从队列中取出  
                    StuSelectLessonListOfElectiveOnlineEntity entity = ListQueue.Dequeue();
                    //处理数据：

                    //学员信息
                    var stuInfoBasicEntity = stuInfoBasicIBLL.GetStuInfoBasicEntityByStuNo(entity.StuNo);
                    if (stuInfoBasicEntity == null)
                    {
                        //return Fail("当前学员不存在！");
                        return;
                    }
                    //课程信息
                    var olpeEntity = lessonInfoOfElectiveOnlineIBLL.GetLessonInfoOfElectiveOnlineEntity(entity.LIOEOId);
                    if (olpeEntity == null)
                    {
                        //return Fail("当前课程不存在！");
                        return;
                    }
                    //所选课程的报名人数是否已满
                    var aa = stuSelectLessonListOfElectiveOnlineIBLL.GetStuSelectLessonListOfElectiveOnlineListByOLPEId(olpeEntity.Id);
                    var aaa = aa.Where(x => x.Status == 1 || x.Status == 2).Count();
                    if (aaa >= olpeEntity.StuNumMax)
                    {
                        //return Fail("当前课程报名人数已满，请选择其他课程！");
                        return;
                    }

                    //当前学员本学期是否有报名课程：每学期一门
                    //var sslleEntity = stuSelectLessonListOfElectiveOnlineIBLL.GetStuSelectLessonListOfElectiveOnlineEntityByStuNo(entity.StuNo, "");
                    //if (sslleEntity != null)
                    //{
                    //    if (sslleEntity.OLPEId != entity.OLPEId && sslleEntity.Status != 3)
                    //    {
                    //        //return Fail("已存在报名课程，每学期只能选择一门选修课！如需报名其他课程请先取消。");
                    //        return;
                    //    }
                    //    if (sslleEntity.Status == 1)
                    //    {
                    //        //return Fail("报名审核中，请耐心等待！");
                    //        return;
                    //    }
                    //    else if (sslleEntity.Status == 2)
                    //    {
                    //        //return Fail("已存在报名成功的课程，只能选择一门选修课！");
                    //        return;
                    //    }
                    //    else if (sslleEntity.Status == 3)//移除报名失败的数据
                    //    {
                    //        stuSelectLessonListOfElectiveOnlineIBLL.DeleteEntity(sslleEntity.Id);
                    //    }

                    //}


                    //每学期两门（几门根据系统配置文件值确定）
                    var sslleList = stuSelectLessonListOfElectiveOnlineIBLL.GetStuSelectLessonListOfElectiveOnlineListByStuNo(entity.StuNo);
                    var sslleListOfNow = sslleList.Where(x => x.AcademicYearNo == olpeEntity.AcademicYearNo && x.Semester == olpeEntity.Semester);
                    var sslleListOfNow1 = sslleListOfNow.Where(x => x.Status == 1 || x.Status == 2);
                    var sslleListOfNow2 = sslleListOfNow.Where(x => x.Status == 3);
                    if (sslleListOfNow1.Count() >= Config.GetValue("OnlineElectiveLessonApplyMax").ToInt())
                    {
                        //return Fail("每学期最多选择两门选修课！");
                        return;
                    }
                    else
                    {
                        var m = sslleListOfNow1.FirstOrDefault(x => x.LIOEOId == olpeEntity.Id);
                        if (m != null)
                        {
                            if (m.Status == 1)
                            {
                                //return Fail("当前课程报名审核中，请耐心等待！");
                                return;
                            }
                            else if (m.Status == 2)
                            {
                                //return Fail("当前课程已报名成功！");
                                return;
                            }
                        }
                    }
                    if (sslleListOfNow2.Count() > 0)
                    {
                        foreach (var item in sslleListOfNow2)
                        {
                            stuSelectLessonListOfElectiveOnlineIBLL.DeleteEntity(item.Id);
                        }
                    }
                    //相同时间不能报名
                    if (!string.IsNullOrEmpty(olpeEntity.LessonSection) && sslleListOfNow1.Where(x => x.LessonSection == olpeEntity.LessonSection).Any())
                    {
                        //相同时间不能报名
                        return;
                    }
                    //相同课程不能报名
                    if (sslleListOfNow1.Where(x => x.LessonNo == olpeEntity.LessonNo).Any())
                    {
                        //相同课程不能报名
                        return;
                    }
                    //新增报名数据
                    var model = new StuSelectLessonListOfElectiveOnlineEntity()
                    {
                        LIOEOId = olpeEntity.Id,
                        NoticeBookNo = stuInfoBasicEntity.NoticeNo,
                        StuNo = stuInfoBasicEntity.StuNo,
                        DeptNo = stuInfoBasicEntity.DeptNo,
                        MajorNo = stuInfoBasicEntity.MajorNo,
                        ClassNo = stuInfoBasicEntity.ClassNo,
                        MajorDetailNo = stuInfoBasicEntity.MajorDetailNo,
                        MajorDetailName = stuInfoBasicEntity.MajorDetailName,
                        StuName = stuInfoBasicEntity.StuName,
                        GenderNo = stuInfoBasicEntity.GenderNo,
                        Grade = stuInfoBasicEntity.Grade,
                        AcademicYearNo = olpeEntity.AcademicYearNo,
                        Semester = olpeEntity.Semester,
                        LessonNo = olpeEntity.LessonNo,
                        LessonName = olpeEntity.LessonName,
                        LessonSortNo = olpeEntity.LessonSortNo,
                        LessonSection = olpeEntity.LessonSection,
                        LessonTime = olpeEntity.LessonTime,
                        EmpNo = olpeEntity.EmpNo,
                        EmpName = olpeEntity.EmpName,
                        ClassRoomNo = olpeEntity.ClassRoomNo,
                        ClassRoomName = olpeEntity.ClassRoomName,
                        StudyScore = olpeEntity.StudyScore,
                        StartWeek = olpeEntity.StartWeek,
                        EndWeek = olpeEntity.EndWeek,
                        StartDate = olpeEntity.StartDate,
                        EndDate = olpeEntity.EndDate,
                        CreateTime = DateTime.Now,
                        Status = 1,
                        OrdinaryScoreScale = 1,
                        TermInScoreScale = 1,
                        TermEndScoreScale = 1,
                        OtherScoreScale = 1,
                        F_SchoolId = olpeEntity.F_SchoolId
                    };
                    stuSelectLessonListOfElectiveOnlineIBLL.SaveEntity("", model);


                }
                catch (Exception ex)
                {
                    throw;
                }
            }
        }

    }



}