using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Bowin.Common.Linq;
using Bowin.Common.Linq.Entity;
using EMIS.ViewModel.SupervisionManage;
using EMIS.ViewModel;
using System.Linq.Expressions;
using EMIS.Entities;
using EMIS.DataLogic.SupervisionManage;
using EMIS.CommonLogic.SystemServices;
using EMIS.CommonLogic.CalendarManage;
using System.Web;

namespace EMIS.CommonLogic.SupervisionManage
{
    public class ProjectRecordServices : BaseServices, IProjectRecordServices, IFileUploadServices
    {
        public ProjectRecordDAL projectRecordDAL { get; set; }
        public ISchoolYearServices schoolYearServices { get; set; }

        public IGridResultSet<ProjectRecordView> GetProjectRecordViewGrid(ConfiguretView conditionView, Guid? schoolyearID, Guid? collegeID, int? supervisionType,
            Guid? supervisionCollegeID, DateTime? startDate, DateTime? endDate,int DataRange, int? pageIndex = null, int? pageSize = null)
        {
            Expression<Func<SUP_ProjectRecord, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<CF_Staff, bool>> supervisorExp = (x => true);

            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (collegeID.HasValue)
            {
                supervisorExp = supervisorExp.And(x => x.CollegeID == collegeID);
            }
            if (supervisionType.HasValue)
            {
                exp = exp.And(x => x.SupervisionTypeID == supervisionType);
            }
            if (supervisionCollegeID.HasValue)
            {
                exp = exp.And(x => x.SupervisionCollegeID == supervisionCollegeID);
            }
            if (startDate.HasValue)
            {
                exp = exp.And(x => x.ProjectDate >= startDate);
            }
            if (endDate.HasValue)
            {
                var correctEndDate = endDate.Value.Date.AddDays(1);
                exp = exp.And(x => x.ProjectDate < correctEndDate);
            }
            var query = projectRecordDAL.GetProjectRecordViewQueryable(exp, supervisorExp,null,null);
            if (DataRange == (int)SYS_DataRange.Teacher)
            {
                var curUser = EMIS.Utility.FormValidate.CustomPrincipal.Current;
                var curUserID = curUser.UserID;
                query = projectRecordDAL.GetProjectRecordViewQueryable(exp, supervisorExp, curUserID,null);
            }
            if(DataRange != (int)SYS_DataRange.All&&DataRange!=(int)SYS_DataRange.Teacher)
            {
                var curUser = EMIS.Utility.FormValidate.CustomPrincipal.Current;
                var curUserID = curUser.UserID;
                var CollegeID = projectRecordDAL.StaffRepository.GetList(x => x.UserID == curUserID).Select(w => w.CollegeID).FirstOrDefault();
                query = projectRecordDAL.GetProjectRecordViewQueryable(exp, supervisorExp, curUserID, CollegeID);
            }
            if (!string.IsNullOrEmpty(conditionView.ConditionValue))
            {
                query = query.DynamicWhere(conditionView.Attribute, conditionView.Condition, conditionView.ConditionValue);
            }
            //query = this.GetQueryByDataRangeByCollege(query).OrderBy(x => x.CollegeNo.Length).ThenBy(x => x.CollegeNo)
            //    .ThenBy(x => x.StaffCode.Length).ThenBy(x => x.StaffCode);
               query=query.OrderByDescending(x => x.SchoolyearID).OrderByDescending(x => x.CreateTime);
            return query.ToGridResultSet(pageIndex, pageSize);
        }

        public List<ProjectRecordView> GetProjectRecordViewList(ConfiguretView conditionView, Guid? schoolyearID, Guid? collegeID, int? supervisionType,
            Guid? supervisionCollegeID, DateTime? startDate, DateTime? endDate, List<Guid?> idList, int DataRange)
        {
            Expression<Func<SUP_ProjectRecord, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<CF_Staff, bool>> supervisorExp = (x => true);

            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (collegeID.HasValue)
            {
                supervisorExp = supervisorExp.And(x => x.CollegeID == collegeID);
            }
            if (supervisionType.HasValue)
            {
                exp = exp.And(x => x.SupervisionTypeID == supervisionType);
            }
            if (supervisionCollegeID.HasValue)
            {
                exp = exp.And(x => x.SupervisionCollegeID == supervisionCollegeID);
            }
            if (startDate.HasValue)
            {
                exp = exp.And(x => x.ProjectDate >= startDate);
            }
            if (endDate.HasValue)
            {
                var correctEndDate = endDate.Value.Date.AddDays(1);
                exp = exp.And(x => x.ProjectDate < correctEndDate);
            }
            if (idList != null && idList.Count > 0)
            {
                exp = exp.And(x => idList.Contains(x.ProjectRecordID));
            }
            var query = projectRecordDAL.GetProjectRecordViewQueryable(exp, supervisorExp, null,null);
            if (DataRange == (int)SYS_DataRange.Teacher)
            {
                var curUser = EMIS.Utility.FormValidate.CustomPrincipal.Current;
                var curUserID = curUser.UserID;
                var User = projectRecordDAL.UserRepository.Entities.Where(x => x.UserID == curUserID).FirstOrDefault();
                query = projectRecordDAL.GetProjectRecordViewQueryable(exp, supervisorExp, curUserID,null);
            }
            if (DataRange != (int)SYS_DataRange.All && DataRange != (int)SYS_DataRange.Teacher)
            {
                var curUser = EMIS.Utility.FormValidate.CustomPrincipal.Current;
                var curUserID = curUser.UserID;
                var CollegeID = projectRecordDAL.StaffRepository.GetList(x => x.UserID == curUserID).Select(w => w.CollegeID).FirstOrDefault();
                query = projectRecordDAL.GetProjectRecordViewQueryable(exp, supervisorExp, curUserID, CollegeID);
            }
            if (!string.IsNullOrEmpty(conditionView.ConditionValue))
            {
                query = query.DynamicWhere(conditionView.Attribute, conditionView.Condition, conditionView.ConditionValue);
            }
            //query = this.GetQueryByDataRangeByCollege(query).OrderBy(x => x.CollegeNo.Length).ThenBy(x => x.CollegeNo)
            //    .ThenBy(x => x.StaffCode.Length).ThenBy(x => x.StaffCode);
            
            query = this.GetQueryByDataRangeByCollege(query).OrderByDescending(x => x.SchoolyearID).OrderByDescending(x => x.CreateTime);
            return query.ToList();
        }

        public ProjectRecordView GetProjectRecordView(Guid? projectRecordID)
        { 
            Expression<Func<SUP_ProjectRecord, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<CF_Staff, bool>> supervisorExp = (x => true);

            if(projectRecordID.HasValue)
            {
                exp = exp.And(x => x.ProjectRecordID == projectRecordID);
            }
            return projectRecordDAL.GetProjectRecordViewQueryable(exp, supervisorExp,null,null).FirstOrDefault();
        }

        public void Save(ProjectRecordView projectRecordView, List<ProjectRecordTeacherView> teacherList, List<FileUploadView> fileList)
        {
            try
            {
                var schoolyear = schoolYearServices.GetCurrentSchoolYear();
                if (projectRecordView.SupervisionTypeID == (int)SUP_SupervisionType.Evaluation)
                {
                    SUP_ProjectRecord dbProjectRecordView = projectRecordDAL.ProjectRecordRepository.Entities.Where(x =>
                        x.ProjectRecordID != projectRecordView.ProjectRecordID
                        && x.UserID == projectRecordView.UserID
                        && x.SupervisionTypeID == projectRecordView.SupervisionTypeID
                        && x.SchoolyearID == projectRecordView.SchoolyearID
                        && x.CoursematerialID == projectRecordView.CoursematerialID).FirstOrDefault();

                    if (dbProjectRecordView != null)
                    {
                        throw new Exception("该教师对应的课程信息已经存在督导项目。");
                    }
                }

                SUP_ProjectRecord projectRecord = null;
                List<SUP_ProjectRecordAttachment> addAttachmentList = new List<SUP_ProjectRecordAttachment>();
                var dbProjectRecord = projectRecordDAL.ProjectRecordRepository.GetSingle(x => x.ProjectRecordID == projectRecordView.ProjectRecordID);
                if (dbProjectRecord == null)
                {
                    projectRecord = new SUP_ProjectRecord();
                    projectRecord.ProjectRecordID = Guid.NewGuid();
                    SetNewStatus(projectRecord);
                    UnitOfWork.Add(projectRecord);
                }
                else
                {
                    projectRecord = this.projectRecordDAL.ProjectRecordRepository
                        .GetSingle(x => x.ProjectRecordID == projectRecordView.ProjectRecordID, (x => x.SUP_ProjectRecord_CF_Staff), (x => x.SUP_ProjectRecordAttachment));
                    if (projectRecord == null)
                    {
                        throw new Exception("当前编辑的记录可能已被其他人删除。");
                    }
                    projectRecord.SUP_ProjectRecord_CF_Staff = new HashSet<CF_Staff>();
                    SetModifyStatus(projectRecord);
                }
                projectRecord.SchoolyearID = projectRecordView.SchoolyearID;//schoolyear.SchoolYearID;
                projectRecord.ProjectDate = projectRecordView.ProjectDate;
                projectRecord.Location = projectRecordView.Location;
                projectRecord.SupervisionCollegeID = projectRecordView.SupervisionCollegeID;
                projectRecord.SupervisionTypeID = projectRecordView.SupervisionTypeID;
                projectRecord.UserID = projectRecordView.UserID;
                projectRecord.TotalScore = projectRecordView.TotalScore;
                projectRecord.CoursematerialID = projectRecordView.CoursematerialID;
                projectRecord.OtherTarget = projectRecordView.OtherTarget;
                projectRecord.Weekday = projectRecordView.Weekday;
                projectRecord.CoursesTimeID = projectRecordView.CoursesTimeID;
                projectRecord.Content = HttpUtility.HtmlDecode(projectRecordView.Content);
                    //projectRecordView.Content;
                projectRecord.Advise = HttpUtility.HtmlDecode(projectRecordView.Advise);
                    //projectRecordView.Advise;
                HashSet<CF_Staff> addStaff = new HashSet<CF_Staff>();
                teacherList.ForEach(x =>
                {
                    CF_Staff staff = projectRecordDAL.StaffRepository.GetSingle(y => y.UserID == x.UserID);
                    //educationMissionClassCheck.Sys_User = new HashSet<Sys_User>();
                    addStaff.Add(staff);
                });
                projectRecord.SUP_ProjectRecord_CF_Staff = addStaff;

                projectRecord.SUP_ProjectRecordAttachment = new HashSet<SUP_ProjectRecordAttachment>();
                fileList.ToList().ForEach(x =>
                {
                    var attachment = new SUP_ProjectRecordAttachment();
                    attachment.ProjectRecordAttachmentID = Guid.NewGuid();
                    attachment.ProjectRecordID = projectRecord.ProjectRecordID;
                    attachment.Name = x.FileName;
                    attachment.Url = x.FileUrl;

                    this.SetNewStatus(attachment);
                    UnitOfWork.Add(attachment);
                });

                UnitOfWork.Commit();
            }
            catch (Exception)
            {
                throw;
            }
        }

        public void Delete(IList<Guid?> projectRecordIDList)
        {
            
            var projectRecordList = projectRecordDAL.ProjectRecordRepository.GetList(x => projectRecordIDList.Contains(x.ProjectRecordID), (x => x.SUP_ProjectRecord_CF_Staff));
            foreach (var projectRecord in projectRecordList)
            {
                projectRecord.SUP_ProjectRecord_CF_Staff = new HashSet<CF_Staff>();
            }
            UnitOfWork.Remove<SUP_ProjectRecordAttachment>(x => projectRecordIDList.Contains(x.ProjectRecordID));
            UnitOfWork.Remove<SUP_ProjectRecord>(x => projectRecordIDList.Contains(x.ProjectRecordID));
            UnitOfWork.Commit();
        }

        public IGridResultSet<ProjectRecordTeacherView> GetProjectRecordTeacherViewGridByID(Guid? projectRecordID, int? pageIndex, int? pageSize)
        {
            return projectRecordDAL.GetProjectRecordTeacherView(projectRecordID).OrderBy(x => x.LoginID.Length).OrderBy(x => x.LoginID).ToGridResultSet(pageIndex, pageSize);
        }

        public IGridResultSet<ProjectRecordTeacherView> GetDefaultTeacherViewGrid(int? pageIndex, int? pageSize)
        {
            var curUser = EMIS.Utility.FormValidate.CustomPrincipal.Current;
            return projectRecordDAL.GetDefaultTeacherView(curUser.UserID).OrderBy(x => x.LoginID.Length).OrderBy(x => x.LoginID).ToGridResultSet(pageIndex, pageSize);
        }

        public List<FileUploadView> GetFileList(Guid? formID)
        {
            //var socDetailAttachment = SOCDAL.SOCDetailAttachmentRepository.GetSingle(x => x.SOCDetailID == formID);
            var fileList = projectRecordDAL.GetProjectRecordAttachmentView(x => x.ProjectRecordID == formID).ToList();
            return fileList;
        }


    }
}