using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using EMIS.Entities;
using EMIS.CommonLogic.SystemServices;

namespace EMIS.ExtensionLogic.ServiceLogic.DegreeManage
{
    public class DegreeListServices : EMIS.CommonLogic.DegreeManage.DegreeManage.DegreeListServices
    {
        /// <summary>
        /// 流水号生成Services
        /// </summary>
        public Lazy<ISerialNumberServices> SerialNumberServices { get; set; }

        /// <summary>
        /// 流程结束跳转函数（工作流平台中配置）
        /// 注：学位审核通过需对学位证书编号进行生成（东莞理工学院）
        /// 生成规则：学校代码+学位级别(1位,博士为2，硕士为3，学士为4)+毕业年份+6位流水号(9+5位流水号)
        /// 例如：学校代码+学位级别(学士)+毕业年份+6位流水号(9+5位流水号),11819+4+2016+900001
        /// </summary>
        /// <param name="degreeApplyIDList"></param>
        /// <param name="userID"></param>
        public override void OnApproveEnd(List<Guid> degreeApplyIDList, Guid? userID)
        {
            ////更新对应的学生信息（如：学位状态）
            //base.OnApproveEnd(degreeApplyIDList, userID);

            //查询对应的学位申请信息List
            var degreeApplyList = DegreeApplyDAL.DegreeApplyRepository
                    .GetList(x => degreeApplyIDList.Contains(x.DegreeApplyID), (x => x.ER_GraduationApply.CF_Student)).ToList();
            //查询对应的学位申请信息ViewList
            var degreeApplyViewList = DegreeApplyDAL
                    .GetDegreeApplyViewQueryable(x => degreeApplyIDList.Contains(x.DegreeApplyID)).ToList();
            //更新对应的学生信息（如：学位状态、学位证书编号）
            List<CF_Student> studentUpList = new List<CF_Student>();
            List<ER_DegreeApply> degreeApplyUpList = new List<ER_DegreeApply>();
            foreach (var degreeApply in degreeApplyList)
            {
                degreeApply.ER_GraduationApply.CF_Student.DegreeStatus = true;
                this.SetModifyStatus(degreeApply.ER_GraduationApply.CF_Student);
                studentUpList.Add(degreeApply.ER_GraduationApply.CF_Student);

                //查询对应的学位申请信息View
                var degreeApplyView = degreeApplyViewList
                        .Where(x => x.DegreeApplyID == degreeApply.DegreeApplyID).SingleOrDefault();
                //学位证书编号生成(学校代码+学位级别(学士)+毕业年份+6位流水号(9+5位流水号))
                var degreeNoPrefix = string.Format("{0}{1}{2}{3}", degreeApplyView.UniversityCode, 4, 
                        degreeApplyView.GraduationYear ?? null, 9);
                degreeApply.DegreeNo = SerialNumberServices.Value.SetSN(degreeNoPrefix, 5);
                degreeApplyUpList.Add(degreeApply);
            }

            this.UnitOfWork.BatchUpdate(studentUpList);
            this.UnitOfWork.BatchUpdate(degreeApplyUpList);
        }

    }
}