using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Threading.Tasks;
using System.Web;
using Learun.Application.Organization;
using Learun.Application.TwoDevelopment.EducationalAdministration;
using Learun.Util;
using Nancy;

namespace Learun.Application.WebApi.Modules
{
    public class TimeTable : BaseApi
    {
        public TimeTable()
            : base("/learun/adms/timetable")
        {
            Get["/list"] = GetList;
            Get["/StuList"] = GetStuInfo;
            Get["/StuLessonInfo"] = GetStuLessonInfo;
            Get["/timeTableData"] = GetTimeTableData;
            Get["/TenDay"] = GetTenDay;
        }
        private ArrangeLessonTermIBLL arrangeLessonTermIBLL = new ArrangeLessonTermBLL();
        private ArrangeLessonTermOfElectiveIBLL arrangeLessonTermOfElectiveIBLL = new ArrangeLessonTermOfElectiveBLL();
        private StuAttendanceLeaveIBLL stuAttendanceLeaveIBLL = new StuAttendanceLeaveBLL();
        private StuAttendanceIBLL stuAttendanceIBLL = new StuAttendanceBLL();
        private EmpInfoIBLL empInfoIbll = new EmpInfoBLL();
        private StuInfoBasicIBLL stuInfoBasicIBLL = new StuInfoBasicBLL();
        private SchoolCalendarIBLL schoolCalendarIbll = new SchoolCalendarBLL();

        /// <summary>
        /// 课程表【教师功能、学生功能】
        /// </summary>
        /// <param name="_"></param>
        /// <returns></returns>
        public Response GetList(dynamic _)
        {
            var param = this.GetReqData<TimeParameter>();

            var timeTableList = new List<TwoDevelopment.EducationalAdministration.TimeTable>();
            //课程表
            var data = arrangeLessonTermIBLL.GetTimeTable(userInfo.account, userInfo.Description, param.StartDate, param.EndDate);
            timeTableList.AddRange(data);
            //选修课课程表
            var dataOfElective = arrangeLessonTermOfElectiveIBLL.GetTimeTable(userInfo.account, userInfo.Description, param.StartDate, param.EndDate);
            timeTableList.AddRange(dataOfElective);
            var leaveList = stuAttendanceLeaveIBLL.GetList();
            foreach (var item in timeTableList)
            {
                item.LeaveType = leaveList.Any(c => c.LessonNo == item.LessonNo && c.StuNo == userInfo.account && c.LessonDate == item.LessonDate && c.LessonTime == item.LessonTime) ? "1" : "0";
                item.IsCheck = leaveList.FirstOrDefault(c => c.LessonNo == item.LessonNo && c.StuNo == userInfo.account && c.LessonDate == item.LessonDate && c.LessonTime == item.LessonTime)?.IsCheck;
            }

            return Success(timeTableList);
        }


        /// <summary>
        /// 获取本堂课的学生出勤信息
        /// </summary>
        /// <param name="_"></param>
        /// <returns></returns>
        public Response GetStuInfo(dynamic _)
        {
            var param = this.GetReqData<TwoDevelopment.EducationalAdministration.TimeTable>();
            var result = stuAttendanceIBLL.GetStuInfo(param.AcademicYear, param.Semester, param.LessonNo, param.EmpNo, param.ClassRoomNo, param.LessonTime, param.LessonDate, param.TeachClassNo);
            var date = Convert.ToDateTime(param.LessonDate).ToString("yyyy-MM-dd");
            var time = NumberToChinese(param.LessonTime.Substring(1, 1));
            if (result.Count > 0)
            {
                var shouldArrive = result.Count;
                var turnTo = result.Count(a => a.AttendOrNo == "是");
                var classRoomName = param.ClassroomName;
                var className = result.FirstOrDefault().ClassName;
                var lessonName = result.FirstOrDefault().LessonName;
                return Success(new { result, date, time, shouldArrive, turnTo, classRoomName, className, lessonName });
            }
            else
            {
                return Success(new { result, date, time });
            }
        }


        public Response GetStuLessonInfo(dynamic _)
        {
            var param = this.GetReqData<TimeParameter>();

            var startdate = DateTime.Today;
            var startDate = Common.CalculateFirstDateOfWeek(startdate).ToString("yyyy-MM-dd");
            var endDate = Common.CalculateLastDateOfWeek(startdate).ToString("yyyy-MM-dd");
            var lessonInfos = stuAttendanceIBLL.GetStuLessonInfo("", "", "");

            var strAcademicYear = "";
            var strSemester = "";
            var AcademicYearShort = "";

            // 获取学年,学期
            if (!param.StartDate.IsEmpty() && !param.EndDate.IsEmpty())
            {
                var NewsemesterAndYear = Common.GetSemesterAndYear(param.StartDate);
                strAcademicYear = NewsemesterAndYear.AcademicYearLong;
                strSemester = NewsemesterAndYear.Semester;
                AcademicYearShort = NewsemesterAndYear.AcademicYearShort;
            }
            else
            {
                var semesterAndYear = Common.GetSemesterAndYear(startDate);
                strAcademicYear = semesterAndYear.AcademicYearLong;
                strSemester = semesterAndYear.Semester;
                AcademicYearShort = semesterAndYear.AcademicYearShort;
            }

            if (param.StartDate.IsEmpty() && param.EndDate.IsEmpty())
            {
                // 校历
                var entity = schoolCalendarIbll.GetSchoolCalendarEntityByNo(AcademicYearShort, strSemester);
                var StartTime = entity.StartTime.Value;
                //获取第几周
                var curWeek = WeekOfYear(startdate, entity.StartTime.Value, entity.EndTime.Value);
                ///获取当前周次开始时间
                startDate = Common.CalculateFirstDateOfWeek(StartTime.AddDays(((curWeek - 1) * 14))).ToString("yyyy-MM-dd");
                if (curWeek == 1 && Convert.ToDateTime(startDate) < StartTime)//判断第几周
                {
                    startDate = StartTime.ToString("yyyy-MM-dd");
                }
                endDate = Common.CalculateFirstDateOfWeek(StartTime.AddDays(((curWeek - 1) * 14))).AddDays(13).ToString("yyyy-MM-dd");
                param.StartDate = startDate;
                param.EndDate = endDate;
            }
            lessonInfos = stuAttendanceIBLL.GetStuLessonInfo(userInfo.account, param.StartDate, param.EndDate);

            var empNos = lessonInfos.Select(a => a.EmpNo).ToList();
            var lessonTerms = arrangeLessonTermIBLL.GetListByEmpNo(empNos);

            var list = lessonInfos.Select(a => new
            {
                a.LessonName,
                LessonDate = Convert.ToDateTime(a.LessonDate).ToString("yyyy-MM-dd"),
                Teacher = lessonTerms.FirstOrDefault(b => b.EmpNo == a.EmpNo)?.EmpName,
                a.LessonTime,
                a.EmpNo,
                a.ClassRoomName,
                a.Sort,
                a.AttendOrNo
            }).ToList();

            var weeks = list.GroupBy(a => a.LessonDate).ToList();
            List<object> results = new List<object>();
            foreach (var item in weeks)
            {
                var weekList = list.Where(a => a.LessonDate == item.Key).ToList();
                var week = weekList[0].LessonTime.Substring(0, 1);
                var result = new { week, weekList };
                results.Add(result);
            }
            return Success(new { results, schoolName = "课程表", semester = $"{strAcademicYear}学年度  第{strSemester}学期", startDate = param.StartDate, endDate = param.EndDate });

        }


        /// <summary>
        /// 全院课程表【按班级分组】
        /// </summary>
        /// <param name="_"></param>
        /// <returns></returns>
        private Response GetTimeTableData(dynamic _)
        {
            var param = this.GetReq<TimeParameter>();

            TimeTableData result = new TimeTableData();

            //开始时间
            var startdate = string.IsNullOrEmpty(param.StartDate) ? DateTime.Today : Convert.ToDateTime(param.StartDate);
            var startDate = Common.CalculateFirstDateOfWeek(startdate).ToString("yyyy-MM-dd");
            var endDate = Common.CalculateLastDateOfWeek(startdate).ToString("yyyy-MM-dd");
            result.StartDate = startDate;
            result.EndDate = endDate;

            var semesterAndYear = Common.GetSemesterAndYear(startDate);
            result.AcademicYearNo = semesterAndYear.AcademicYearLong;
            result.Semester = semesterAndYear.Semester;

            //课程表数据
            var timeTableList = new List<Learun.Application.TwoDevelopment.EducationalAdministration.TimeTable>();
            //必修课课程表
            var data = arrangeLessonTermIBLL.GetTimeTableInEducation(startDate, endDate, param.ClassNo, param.EmpNo, "");
            timeTableList.AddRange(data);
            //选修课课程表
            var dataOfElective = arrangeLessonTermOfElectiveIBLL.GetTimeTableInEducation(startDate, endDate, param.ClassNo, param.EmpNo, "");
            timeTableList.AddRange(dataOfElective);
            var dataTemp = timeTableList.GroupBy(x => new { x.TeachClassNo, x.ClassName, x.LessonSortNo }).Select(x => new ClassDataList()
            {
                ClassNo = x.Key.TeachClassNo,
                ClassName = x.Key.ClassName,
                LessonSortNo = x.Key.LessonSortNo,
                TimeTableList = x.Select(y => new TwoDevelopment.EducationalAdministration.TimeTable()
                {
                    AcademicYear = y.AcademicYear,
                    Semester = y.Semester,
                    DeptNo = y.DeptNo,
                    MajorNo = y.MajorNo,
                    F_SchoolId = y.F_SchoolId,
                    LessonNo = y.LessonNo,
                    LessonName = y.LessonName,
                    LessonDate = y.LessonDate,
                    LessonTime = y.LessonTime,
                    EmpNo = y.EmpNo,
                    EmpName = y.EmpName,
                    TeachClassNo = y.TeachClassNo,
                    ClassName = y.ClassName,
                    ClassRoomNo = y.ClassRoomNo,
                    ClassroomName = y.ClassroomName,
                    LessonSortNo = y.LessonSortNo
                }).OrderBy(a => a.LessonTime.Substring(0, 1)).ThenBy(a => a.LessonTime.Substring(1)).ToList()
            }).OrderBy(x => x.LessonSortNo).ThenBy(x => x.ClassNo).ToList();

            result.ClassDataList = dataTemp;

            return Success(result);

        }

        /// <summary>
        /// 课程表【教师功能、学生功能】
        /// </summary>
        /// <param name="_"></param>
        /// <returns></returns>
        public Response GetTenDay(dynamic _)
        {
            var param = this.GetReqData<TimeParameter>();
            var startdate = DateTime.Today;
            var startDate = Common.CalculateFirstDateOfWeek(startdate).ToString("yyyy-MM-dd");
            var endDate = Common.CalculateLastDateOfWeek(startdate).ToString("yyyy-MM-dd");

            // 获取学年,学期
            var strAcademicYear = "";
            var strSemester = "";
            var AcademicYearShort = "";
            if (!param.StartDate.IsEmpty())
            {
                var NewsemesterAndYear = Common.GetSemesterAndYear(param.StartDate);
                strAcademicYear = NewsemesterAndYear.AcademicYearLong;
                strSemester = NewsemesterAndYear.Semester;
                AcademicYearShort = NewsemesterAndYear.AcademicYearShort;
            }
            else
            {
                var semesterAndYear = Common.GetSemesterAndYear(startDate);
                strAcademicYear = semesterAndYear.AcademicYearLong;
                strSemester = semesterAndYear.Semester;
                AcademicYearShort = semesterAndYear.AcademicYearShort;
            }


            if (param.StartDate.IsEmpty() && param.EndDate.IsEmpty())
            {
                // 校历
                var entity = schoolCalendarIbll.GetSchoolCalendarEntityByNo(AcademicYearShort, strSemester);
                var StartTime = entity.StartTime.Value;
                //获取第几周
                var curWeek = WeekOfYear(startdate, entity.StartTime.Value, entity.EndTime.Value);
                ///获取当前周次开始时间
                startDate = Common.CalculateFirstDateOfWeek(StartTime.AddDays(((curWeek - 1) * 14))).ToString("yyyy-MM-dd");
                if (curWeek == 1 && Convert.ToDateTime(startDate) < StartTime)//判断第几周
                {
                    startDate = StartTime.ToString("yyyy-MM-dd");
                }
                endDate = Common.CalculateFirstDateOfWeek(StartTime.AddDays(((curWeek - 1) * 14))).AddDays(13).ToString("yyyy-MM-dd");
                param.StartDate = startDate;
                param.EndDate = endDate;
            }
            var Data = new List<TwoDevelopment.EducationalAdministration.TimeTable>();
            if (param.Description == "学生")
            {
                var Stulist = stuInfoBasicIBLL.GetAllList().Where(x => x.StuNo == param.Account).FirstOrDefault();
                if (Stulist != null)
                {
                    Data = arrangeLessonTermIBLL.GetTimeTableInEducation(param.StartDate, param.EndDate, Stulist.ClassNo, "", "").ToList();
                }
            }
            else if (param.Description == "教师")
            {
                //教师
                var empInfo = empInfoIbll.GetAllList().Where(x => x.EmpNo == param.Account).FirstOrDefault().EmpNo;
                if (empInfo != null)
                {
                    Data = arrangeLessonTermIBLL.GetTimeTableInEducation(param.StartDate, param.EndDate, "", param.Account, "").ToList();
                }
            }

            var formatData = from d in Data.AsEnumerable()
                             let tt = d.LessonTime.Split('-')[0]
                             group d by tt into g
                             orderby g.Key
                             select new
                             {
                                 time = g.Key,
                                 list = from e in Data.AsEnumerable()
                                        let ee = e.LessonTime.Split('-')[0]
                                        where ee == g.Key
                                        select new
                                        {
                                            ALTId = e.ALTId,
                                            day = e.LessonTime.Split('-')[0],
                                            jc = e.LessonTime.Split('-')[1],
                                            curriculum = e.LessonSortNo == "2" ? e.LessonName + "[选修]" : e.LessonName,
                                            teacher = e?.EmpName,
                                            classRoom = string.IsNullOrEmpty(e.ClassroomName) ? "" : e.ClassroomName.Trim(),
                                            academicyear = e.AcademicYear,
                                            semester = e.Semester,
                                            lessonNo = e?.LessonNo,
                                            teachClassNo = e?.TeachClassNo,
                                            empno = e?.EmpNo,
                                            lessonTime = e.LessonTime,
                                            lessonDate = e.LessonDate.ToString("yyyy-MM-dd"),
                                            classRoomNo = string.IsNullOrEmpty(e.ClassRoomNo) ? "" : e.ClassRoomNo.Trim(),
                                            lessonSortNo = e.LessonSortNo,
                                            e?.OLPEId,
                                            className = string.IsNullOrEmpty(e.ClassName) ? "" : e.ClassName
                                        }
                             }
               ;
            var result = new
            { schoolName = "课程表", semester = $"{strAcademicYear}学年度  第{strSemester}学期", startDate = param.StartDate, endDate = param.EndDate, weekList = formatData };
            return Success(result);

        }
        /// <summary>
        /// 数字转中文
        /// </summary>
        /// <param name="number">eg: 22</param>
        /// <returns></returns>
        public string NumberToChinese(string number)
        {
            string res = string.Empty;

            switch (number)
            {
                case "1":
                    res = "一";
                    break;
                case "2":
                    res = "二";
                    break;
                case "3":
                    res = "三";
                    break;
                case "4":
                    res = "四";
                    break;
                case "5":
                    res = "五";
                    break;
                case "6":
                    res = "六";
                    break;
                case "7":
                    res = "七";
                    break;
                case "8":
                    res = "八";
                    break;
                case "9":
                    res = "九";
                    break;
                default:
                    res = "零";
                    break;
            }
            return res;
        }
        /// <summary>
        /// 换算周次
        /// </summary>
        /// <param name="curDay"></param>
        /// <param name="startTime"></param>
        /// <param name="endTime"></param>
        /// <returns></returns>
        private static int WeekOfYear(DateTime curDay, DateTime startTime, DateTime endTime)
        {
            int firstdayofweek = Convert.ToInt32(startTime.DayOfWeek);
            var startDate = DateTime.Parse(Common.CalculateFirstDateOfWeek(startTime).ToString("yyyy-MM-dd"));
            int k = Convert.ToInt32(startTime.DayOfWeek);//得到开始时间的第一天是周几
            int days = curDay.Subtract(startTime).Days;
            //int days = curDay.DayOfYear;
            int daysOutOneWeek = days - (14 - firstdayofweek);

            if (daysOutOneWeek <= 0)
            {
                return 1;
            }
            else
            {
                int weeks = daysOutOneWeek / 14;
                if (daysOutOneWeek % 14 != 0)
                    weeks++;

                return weeks + 1;

            }

        }
    }





    public class TimeParameter
    {
        public string StartDate { get; set; }
        public string EndDate { get; set; }
        /// <summary>
        /// 班级编号
        /// </summary>
        public string ClassNo { get; set; }
        /// <summary>
        /// 教师编号
        /// </summary>
        public string EmpNo { get; set; }
        public string Description { get; set; }
        public string Account { get; set; }
    }
    public class TimeTableData
    {
        public string AcademicYearNo { get; set; }
        public string Semester { get; set; }
        public string StartDate { get; set; }
        public string EndDate { get; set; }
        public List<ClassDataList> ClassDataList { get; set; }
    }
    public class ClassDataList
    {
        public string ClassNo { get; set; }
        public string ClassName { get; set; }
        public string LessonSortNo { get; set; }
        public List<TwoDevelopment.EducationalAdministration.TimeTable> TimeTableList { get; set; }
    }


}