using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Bowin.Common.Linq;
using Bowin.Common.Linq.Entity;
using EMIS.ViewModel.PaymentManage;
using EMIS.ViewModel;
using EMIS.Entities;
using EMIS.DataLogic.PaymentManage;
using System.Linq.Expressions;

namespace EMIS.CommonLogic.PaymentManage
{
    public class WorktimeAdditionServices : BaseServices, IWorktimeAdditionServices
    {
        public WorktimeAdditionDAL WorktimeAdditionDAL { get; set; }

        public IGridResultSet<WorktimeAdditionView> GetWorktimeAdditionViewList(ConfiguretView worktimeAdditionConditionView,
            Guid? schoolyearID, Guid? collegeID, Guid? teacherUserID, Guid? studentCollegeID, Guid? courseCollegeID, int? year, int? standard,
            int? teachingModeID,int? month, int? pageIndex, int? pageSize)
        {
            Expression<Func<TP_WorktimeAddition, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<CF_Department, bool>> departmentExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> gradeExp = (x => true);
            Expression<Func<CF_Facultymajor, bool>> facultyExp = (x => true);

            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (collegeID.HasValue)
            {
                departmentExp = departmentExp.And(x => x.CollegeID == collegeID);
            }
            if (teacherUserID.HasValue)
            {
                exp = exp.And(x => x.UserID == teacherUserID);
            }
            if (studentCollegeID.HasValue)
            {
                facultyExp = facultyExp.And(x => x.CollegeID == studentCollegeID);
            }
            if (courseCollegeID.HasValue)
            {
                exp = exp.And(x => x.CourseCollegeID == courseCollegeID);
            }
            if (year.HasValue)
            {
                gradeExp = gradeExp.And(x => x.GradeID == year);
            }
            if (standard.HasValue)
            {
                facultyExp = facultyExp.And(x => x.StandardID == standard);
            }
            if (teachingModeID.HasValue)
            {
                exp = exp.And(x => x.TeachingModeID == teachingModeID);
            }
            if(month.HasValue)
            {
                exp = exp.And(x => x.Month == month);
            }
            var query = WorktimeAdditionDAL.GetWorktimeAdditionViewQueryable(exp, departmentExp, gradeExp, facultyExp);

            if (!string.IsNullOrEmpty(worktimeAdditionConditionView.ConditionValue) && !string.IsNullOrEmpty(worktimeAdditionConditionView.Attribute))
                query = query.DynamicWhere(worktimeAdditionConditionView.Attribute, worktimeAdditionConditionView.Condition, worktimeAdditionConditionView.ConditionValue);

            query = query.OrderByDescending(x => x.SchoolyearCode)
                .ThenBy(x => x.TeacherName)
                .ThenBy(x => x.CourseCode)
                .ThenBy(x => x.TeachingModeID);

            return query.ToGridResultSet(pageIndex, pageSize);
        }

        public List<WorktimeAdditionView> GetWorktimeAdditionViewList(ConfiguretView worktimeAdditionConditionView,
            Guid? schoolyearID, Guid? collegeID, Guid? teacherUserID, Guid? studentCollegeID, Guid? courseCollegeID, int? year, int? standard,
            int? teachingModeID, int? month)
        {
            Expression<Func<TP_WorktimeAddition, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<CF_Department, bool>> departmentExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> gradeExp = (x => true);
            Expression<Func<CF_Facultymajor, bool>> facultyExp = (x => true);

            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (collegeID.HasValue)
            {
                departmentExp = departmentExp.And(x => x.CollegeID == collegeID);
            }
            if (teacherUserID.HasValue)
            {
                exp = exp.And(x => x.UserID == teacherUserID);
            }
            if (studentCollegeID.HasValue)
            {
                facultyExp = facultyExp.And(x => x.CollegeID == studentCollegeID);
            }
            if (courseCollegeID.HasValue)
            {
                exp = exp.And(x => x.CourseCollegeID == courseCollegeID);
            }
            if (year.HasValue)
            {
                gradeExp = gradeExp.And(x => x.GradeID == year);
            }
            if (standard.HasValue)
            {
                facultyExp = facultyExp.And(x => x.StandardID == standard);
            }
            if (teachingModeID.HasValue)
            {
                exp = exp.And(x => x.TeachingModeID == teachingModeID);
            }
            if (month.HasValue)
            {
                exp = exp.And(x => x.Month == month);
            }
            var query = WorktimeAdditionDAL.GetWorktimeAdditionViewQueryable(exp, departmentExp, gradeExp, facultyExp);

            if (!string.IsNullOrEmpty(worktimeAdditionConditionView.ConditionValue) && !string.IsNullOrEmpty(worktimeAdditionConditionView.Attribute))
                query = query.DynamicWhere(worktimeAdditionConditionView.Attribute, worktimeAdditionConditionView.Condition, worktimeAdditionConditionView.ConditionValue);

            query = query.OrderByDescending(x => x.SchoolyearCode)
                .ThenBy(x => x.TeacherName)
                .ThenBy(x => x.CourseCode)
                .ThenBy(x => x.TeachingModeID);

            return query.ToList();
        }

        public WorktimeAdditionView GetWorktimeAdditionView(Guid? worktimeAdditionID)
        {
            var query = WorktimeAdditionDAL.GetWorktimeAdditionViewQueryable(x => x.WorktimeAdditionID == worktimeAdditionID,
                (x => true), (x => true), (x => true));
            return query.FirstOrDefault();
        }

        public void Save(WorktimeAdditionView worktimeAdditionView)
        {
            TP_WorktimeAddition worktimeAddition = new TP_WorktimeAddition();

            if (worktimeAdditionView.WorktimeAdditionID == null || worktimeAdditionView.WorktimeAdditionID == Guid.Empty)
            {
                worktimeAddition = new TP_WorktimeAddition();
                worktimeAddition.WorktimeAdditionID = Guid.NewGuid();
                SetNewStatus(worktimeAddition);
                UnitOfWork.Add(worktimeAddition);
            }
            else
            {
                worktimeAddition = WorktimeAdditionDAL.WorktimeAdditionRepository.GetSingle(x =>
                    x.WorktimeAdditionID == worktimeAdditionView.WorktimeAdditionID);
                if (worktimeAddition == null)
                {
                    throw new Exception("未能找到需要修改的数据，数据可能已被其他用户更改。");
                }
                SetModifyStatus(worktimeAddition);
            }
            worktimeAddition.UserID = worktimeAdditionView.UserID;
            worktimeAddition.SchoolyearID = worktimeAdditionView.SchoolyearID;
            worktimeAddition.GrademajorID = worktimeAdditionView.GrademajorID;
            worktimeAddition.CoursematerialID = worktimeAdditionView.CoursematerialID;
            worktimeAddition.CourseCollegeID = worktimeAdditionView.CourseCollegeID;
            worktimeAddition.EducationMissionClassName = worktimeAdditionView.EducationMissionClassName;
            worktimeAddition.TeachingModeID = worktimeAdditionView.TeachingModeID;
            worktimeAddition.TeachType = worktimeAdditionView.TeachType;
            worktimeAddition.StudentCount = worktimeAdditionView.StudentCount;
            worktimeAddition.CourseTime = worktimeAdditionView.CourseTime;
            worktimeAddition.Month = worktimeAdditionView.Month;
            worktimeAddition.Remark = worktimeAdditionView.Remark;
            UnitOfWork.Commit();
        }

        public void Delete(IList<Guid?> worktimeAdditionIDList)
        {
            if (worktimeAdditionIDList.Count > 0)
            {
                UnitOfWork.Delete<TP_WorktimeAddition>(x => worktimeAdditionIDList.Contains(x.WorktimeAdditionID));
            }
        }
    }
}