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

namespace EMIS.CommonLogic.EnrollManage.SpecialtyManage
{
    public class SpecialtyClassSettingServices : BaseServices, ISpecialtyClassSettingServices
    {
        public SpecialtyClassSettingDAL SpecialtyClassSettingDAL { get; set; }

        /// <summary>
        /// 查询对应的专业分班信息View
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="standardID"></param>
        /// <param name="educationID"></param>
        /// <param name="learningformID"></param>
        /// <param name="learnSystem"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <returns></returns>
        public IGridResultSet<SpecialtyClassSettingView> GetSpecialtyClassSettingViewGrid(ConfiguretView configuretView, int? standardID, int? educationID, int? learningformID, string learnSystem, int pageIndex, int pageSize)
        {
            //专业分班
            Expression<Func<CF_SpecialtyClassSetting, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            var query = SpecialtyClassSettingDAL.GetSpecialtyClassSettingViewQueryable(exp);
            if (standardID.HasValue)
            {
                //专业ID(Value)
                query = query.Where(x => x.StandardID == standardID);
            }
            if (educationID.HasValue)
            {
                //培养层次
                query = query.Where(x => x.EducationID == educationID);
            }
            if (learningformID.HasValue)
            {
                //学习形式
                query = query.Where(x => x.LearningformID == learningformID);
            }
            if (!string.IsNullOrEmpty(learnSystem) && learnSystem != "-1")
            {
                //学制
                var LearnSystems = Convert.ToDecimal(learnSystem);
                query = query.Where(x => x.LearnSystem == LearnSystems);
            }

            //查询条件
            if (!string.IsNullOrEmpty(configuretView.ConditionValue))
            {
                query = query.DynamicWhere(configuretView.Attribute, configuretView.Condition, configuretView.ConditionValue.Trim());
            }

            return query.OrderBy(x => x.StandardName).ThenBy(x => x.EducationID).ThenBy(x => x.LearningformID).ThenBy(x => x.LearnSystem).ToGridResultSet<SpecialtyClassSettingView>(pageIndex, pageSize);
        }

        /// <summary>
        /// 查询对应的专业分班信息List
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="standardID"></param>
        /// <param name="educationID"></param>
        /// <param name="learningformID"></param>
        /// <param name="learnSystem"></param>
        /// <returns></returns>
        public IList<SpecialtyClassSettingView> GetSpecialtyClassSettingViewList(ConfiguretView configuretView, int? standardID, int? educationID, int? learningformID, string learnSystem)
        {
            //专业分班
            Expression<Func<CF_SpecialtyClassSetting, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            var query = SpecialtyClassSettingDAL.GetSpecialtyClassSettingViewQueryable(exp);
            if (standardID.HasValue)
            {
                //专业ID(Value)
                query = query.Where(x => x.StandardID == standardID);
            }
            if (educationID.HasValue)
            {
                //培养层次
                query = query.Where(x => x.EducationID == educationID);
            }
            if (learningformID.HasValue)
            {
                //学习形式
                query = query.Where(x => x.LearningformID == learningformID);
            }
            if (!string.IsNullOrEmpty(learnSystem) && learnSystem != "-1")
            {
                //学制
                var LearnSystems = Convert.ToDecimal(learnSystem);
                query = query.Where(x => x.LearnSystem == LearnSystems);
            }

            //查询条件
            if (!string.IsNullOrEmpty(configuretView.ConditionValue))
            {
                query = query.DynamicWhere(configuretView.Attribute, configuretView.Condition, configuretView.ConditionValue.Trim());
            }

            return query.OrderBy(x => x.StandardName).ThenBy(x => x.EducationID).ThenBy(x => x.LearningformID).ThenBy(x => x.LearnSystem).ToList();
        }

        /// <summary>
        /// 根据专业分班ID查询对应的专业分班信息SpecialtyClassSettingView
        /// </summary>
        /// <param name="specialtyClassSettingID"></param>
        /// <returns></returns>
        public SpecialtyClassSettingView GetSpecialtyClassSettingView(Guid? specialtyClassSettingID)
        {
            try
            {
                var query = SpecialtyClassSettingDAL.GetSpecialtyClassSettingViewQueryable(x => x.SpecialtyClassSettingID == specialtyClassSettingID).SingleOrDefault();

                return query;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 专业分班批量新增（业务主键：专业信息ID）
        /// </summary>
        /// <param name="specialtyIDList"></param>
        /// <param name="specialtyClassSettingView"></param>
        /// <returns></returns>
        public string SpecialtyClassSettingBatchAdd(List<Guid?> specialtyIDList, SpecialtyClassSettingView specialtyClassSettingView)
        {
            try
            {
                //专业分班
                Expression<Func<CF_SpecialtyClassSetting, bool>> expSpecialtyClassSetting = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
                expSpecialtyClassSetting = expSpecialtyClassSetting.And(x => specialtyIDList.Contains(x.SpecialtyID));
                //查询对应的专业分班信息List
                var specialtyClassSettingList = SpecialtyClassSettingDAL.SpecialtyClassSettingRepository.GetList(expSpecialtyClassSetting).ToList();

                int success = 0; //成功
                int fail = 0; //失败
                string tipMessage = null; //提示消息
                List<CF_SpecialtyClassSetting> specialtyClassSettingInList = new List<CF_SpecialtyClassSetting>();
                foreach (var specialtyID in specialtyIDList)
                {
                    var specialtyClassSettingVerify = specialtyClassSettingList.Where(x => x.SpecialtyID == specialtyID).SingleOrDefault();
                    if (specialtyClassSettingVerify == null)
                    {
                        //新增
                        var specialtyClassSetting = new CF_SpecialtyClassSetting();
                        specialtyClassSetting.SpecialtyClassSettingID = Guid.NewGuid();
                        specialtyClassSetting.SpecialtyID = specialtyID;
                        specialtyClassSetting.PlanRecruitStudentCount = 0;
                        specialtyClassSetting.ClassArrangeStudentCount = 0;
                        specialtyClassSetting.ClassMaxStudentCount = 0;
                        specialtyClassSetting.ClassNumber = 1;
                        SetNewStatus(specialtyClassSetting);
                        specialtyClassSettingInList.Add(specialtyClassSetting);
                        success++;
                    }
                    else
                    {
                        //表示已存在相同的专业分班信息
                        fail++;
                    }
                }
                //批量插入
                UnitOfWork.BulkInsert<CF_SpecialtyClassSetting>(specialtyClassSettingInList);
                if (success > 0 && fail <= 0)
                {
                    tipMessage = success + "条";
                }
                else
                {
                    tipMessage = success + "条," + fail + "条失败，原因：已存在相同的专业分班信息，请检查";
                }

                return tipMessage;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 查询专业分班中未新增的专业信息SpecialtyView
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="standardID"></param>
        /// <param name="educationID"></param>
        /// <param name="learningformID"></param>
        /// <param name="learnSystem"></param>
        /// <param name="scienceclassID"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <returns></returns>
        public IGridResultSet<SpecialtyView> GetSpecialtyViewNoAdd(ConfiguretView configuretView, int? standardID, int? educationID, int? learningformID, string learnSystem, int? scienceclassID, int pageIndex, int pageSize)
        {
            //专业信息(只查询启用状态的专业信息)
            Expression<Func<CF_Specialty, bool>> expSpecialty = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            if (standardID.HasValue)
            {
                expSpecialty = expSpecialty.And(x => x.StandardID == standardID);
            }
            if (educationID.HasValue)
            {
                expSpecialty = expSpecialty.And(x => x.EducationID == educationID);
            }
            if (learningformID.HasValue)
            {
                expSpecialty = expSpecialty.And(x => x.LearningformID == learningformID);
            }
            if (!string.IsNullOrEmpty(learnSystem) && learnSystem != "-1")
            {
                var LearnSystems = Convert.ToDecimal(learnSystem);
                expSpecialty = expSpecialty.And(x => x.LearnSystem == LearnSystems);
            }
            if (scienceclassID.HasValue)
            {
                expSpecialty = expSpecialty.And(x => x.ScienceclassID == scienceclassID);
            }
            //专业分班
            Expression<Func<CF_SpecialtyClassSetting, bool>> expSpecialtyClassSetting = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            var query = SpecialtyClassSettingDAL.GetSpecialtyViewNoAddQueryable(expSpecialty, expSpecialtyClassSetting);

            //查询条件
            if (!string.IsNullOrEmpty(configuretView.ConditionValue))
            {
                query = query.DynamicWhere(configuretView.Attribute, configuretView.Condition, configuretView.ConditionValue.Trim());
            }

            return query.OrderBy(x => x.StandardName).ThenBy(x => x.EducationID).ThenBy(x => x.LearningformID).ThenBy(x => x.LearnSystem).ToGridResultSet<SpecialtyView>(pageIndex, pageSize);
        }

        /// <summary>
        /// 编辑（新增、修改，业务主键：专业信息ID）
        /// </summary>
        /// <param name="specialtyClassSettingView"></param>
        public void SpecialtyClassSettingEdit(SpecialtyClassSettingView specialtyClassSettingView)
        {
            try
            {
                //查询数据库进行验证
                var specialtyClassSettingVerification = SpecialtyClassSettingDAL.SpecialtyClassSettingRepository.GetList(x => x.SpecialtyClassSettingID != specialtyClassSettingView.SpecialtyClassSettingID 
                        && x.SpecialtyID == specialtyClassSettingView.SpecialtyID).SingleOrDefault();
                if (specialtyClassSettingVerification == null)
                {
                    //数据有误验证
                    if (specialtyClassSettingView.SpecialtyClassSettingID != Guid.Empty)
                    {
                        var specialtyClassSetting = SpecialtyClassSettingDAL.SpecialtyClassSettingRepository
                                .GetList(x => x.SpecialtyClassSettingID == specialtyClassSettingView.SpecialtyClassSettingID).SingleOrDefault();
                        if (specialtyClassSetting == null)
                        {
                            throw new Exception("数据有误，请核查");
                        }
                        else
                        {
                            //表示修改
                            specialtyClassSetting.SpecialtyID = specialtyClassSettingView.SpecialtyID;
                            specialtyClassSetting.PlanRecruitStudentCount = specialtyClassSettingView.PlanRecruitStudentCount;
                            specialtyClassSetting.ClassArrangeStudentCount = specialtyClassSettingView.ClassArrangeStudentCount;
                            specialtyClassSetting.ClassMaxStudentCount = specialtyClassSettingView.ClassMaxStudentCount;
                            specialtyClassSetting.ClassNumber = specialtyClassSettingView.ClassNumber;
                            SetModifyStatus(specialtyClassSetting);
                        }
                    }
                    else
                    {
                        //表示新增
                        CF_SpecialtyClassSetting specialtyClassSetting = new CF_SpecialtyClassSetting();
                        specialtyClassSetting.SpecialtyClassSettingID = Guid.NewGuid();
                        specialtyClassSetting.SpecialtyID = specialtyClassSettingView.SpecialtyID;
                        specialtyClassSetting.PlanRecruitStudentCount = specialtyClassSettingView.PlanRecruitStudentCount;
                        specialtyClassSetting.ClassArrangeStudentCount = specialtyClassSettingView.ClassArrangeStudentCount;
                        specialtyClassSetting.ClassMaxStudentCount = specialtyClassSettingView.ClassMaxStudentCount;
                        specialtyClassSetting.ClassNumber = specialtyClassSettingView.ClassNumber;
                        SetNewStatus(specialtyClassSetting);
                        UnitOfWork.Add(specialtyClassSetting);
                    }
                }
                else
                {
                    throw new Exception("已存在相同的专业分班信息，请核查");
                }

                //事务提交
                UnitOfWork.Commit();
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 批量修改(计划招生人数、每班预招人数、每班最大人数)
        /// </summary>
        /// <param name="specialtyClassSettingIDList"></param>
        /// <param name="planRecruitStudentCount"></param>
        /// <param name="classArrangeStudentCount"></param>
        /// <param name="classMaxStudentCount"></param>
        /// <returns></returns>
        public string BatchModify(List<Guid?> specialtyClassSettingIDList, int? planRecruitStudentCount, int? classArrangeStudentCount, int? classMaxStudentCount)
        {
            try
            {
                //查询对应的专业分班信息
                var specialtyClassSettingList = SpecialtyClassSettingDAL.SpecialtyClassSettingRepository.GetList(x => specialtyClassSettingIDList.Contains(x.SpecialtyClassSettingID)).ToList();

                int fail = 0;
                int success = 0;
                string tipMessage = null; //提示消息
                List<CF_SpecialtyClassSetting> specialtyClassSettingUpList = new List<CF_SpecialtyClassSetting>();
                foreach (var specialtyClassSetting in specialtyClassSettingList)
                {
                    if (planRecruitStudentCount != null)
                    {
                        if (specialtyClassSetting.ClassArrangeStudentCount > specialtyClassSetting.ClassMaxStudentCount)
                        {
                            fail++;
                            continue;
                        }
                        else if (planRecruitStudentCount <= 0)
                        {
                            specialtyClassSetting.PlanRecruitStudentCount = planRecruitStudentCount;
                            specialtyClassSetting.ClassNumber = 1;
                        }
                        else if (specialtyClassSetting.ClassArrangeStudentCount <= 0)
                        {
                            specialtyClassSetting.PlanRecruitStudentCount = planRecruitStudentCount;
                            specialtyClassSetting.ClassNumber = 1;
                        }
                        else if (specialtyClassSetting.ClassMaxStudentCount <= 0)
                        {
                            specialtyClassSetting.PlanRecruitStudentCount = planRecruitStudentCount;
                            specialtyClassSetting.ClassNumber = 1;
                        }
                        else
                        {
                            specialtyClassSetting.PlanRecruitStudentCount = planRecruitStudentCount;

                            var classNumber = planRecruitStudentCount.Value / specialtyClassSetting.ClassArrangeStudentCount.Value;
                            var total = classNumber * specialtyClassSetting.ClassMaxStudentCount;
                            if (total >= planRecruitStudentCount)
                            {
                                specialtyClassSetting.ClassNumber = classNumber;
                            }
                            else
                            {
                                specialtyClassSetting.ClassNumber = classNumber + 1;
                            }
                        }

                        SetModifyStatus(specialtyClassSetting);
                    }
                    if (classArrangeStudentCount != null)
                    {
                        if (classArrangeStudentCount > specialtyClassSetting.ClassMaxStudentCount)
                        {
                            fail++;
                            continue;
                        }
                        else if (classArrangeStudentCount <= 0)
                        {
                            specialtyClassSetting.ClassArrangeStudentCount = classArrangeStudentCount;
                            specialtyClassSetting.ClassNumber = 1;
                        }
                        else if (specialtyClassSetting.PlanRecruitStudentCount <= 0)
                        {
                            specialtyClassSetting.ClassArrangeStudentCount = classArrangeStudentCount;
                            specialtyClassSetting.ClassNumber = 1;
                        }
                        else if (specialtyClassSetting.ClassMaxStudentCount <= 0)
                        {
                            specialtyClassSetting.ClassArrangeStudentCount = classArrangeStudentCount;
                            specialtyClassSetting.ClassNumber = 1;
                        }
                        else
                        {
                            specialtyClassSetting.ClassArrangeStudentCount = classArrangeStudentCount;

                            var classNumber = specialtyClassSetting.PlanRecruitStudentCount.Value / classArrangeStudentCount.Value;
                            var total = classNumber * specialtyClassSetting.ClassMaxStudentCount;
                            if (total >= specialtyClassSetting.PlanRecruitStudentCount)
                            {
                                specialtyClassSetting.ClassNumber = classNumber;
                            }
                            else
                            {
                                specialtyClassSetting.ClassNumber = classNumber + 1;
                            }
                        }

                        SetModifyStatus(specialtyClassSetting);
                    }
                    if (classMaxStudentCount != null)
                    {
                        if (specialtyClassSetting.ClassArrangeStudentCount > classMaxStudentCount)
                        {
                            fail++;
                            continue;
                        }
                        else if (classMaxStudentCount <= 0)
                        {
                            specialtyClassSetting.ClassMaxStudentCount = classMaxStudentCount;
                            specialtyClassSetting.ClassNumber = 1;
                        }
                        else if (specialtyClassSetting.PlanRecruitStudentCount <= 0)
                        {
                            specialtyClassSetting.ClassMaxStudentCount = classMaxStudentCount;
                            specialtyClassSetting.ClassNumber = 1;
                        }
                        else if (specialtyClassSetting.ClassArrangeStudentCount <= 0)
                        {
                            specialtyClassSetting.ClassMaxStudentCount = classMaxStudentCount;
                            specialtyClassSetting.ClassNumber = 1;
                        }
                        else
                        {
                            specialtyClassSetting.ClassMaxStudentCount = classMaxStudentCount;

                            var classNumber = specialtyClassSetting.PlanRecruitStudentCount.Value / specialtyClassSetting.ClassArrangeStudentCount.Value;
                            var total = classNumber * classMaxStudentCount;
                            if (total >= specialtyClassSetting.PlanRecruitStudentCount)
                            {
                                specialtyClassSetting.ClassNumber = classNumber;
                            }
                            else
                            {
                                specialtyClassSetting.ClassNumber = classNumber + 1;
                            }
                        }
                        SetModifyStatus(specialtyClassSetting);
                    }
                    specialtyClassSettingUpList.Add(specialtyClassSetting);
                    success++;
                }
                //批量统一提交更新
                if (specialtyClassSettingUpList != null && specialtyClassSettingUpList.Count() > 0)
                {
                    UnitOfWork.BatchUpdate(specialtyClassSettingUpList);
                }
                if (success > 0 && fail <= 0)
                {
                    tipMessage = success + "条";
                }
                else
                {
                    tipMessage = success + "条，" + fail + "条失败，原因：每班预招人数不能大于每班最大人数";
                }
                return tipMessage;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="specialtyClassSettingIDList"></param>
        /// <returns></returns>
        public bool SpecialtyClassSettingDelete(List<Guid?> specialtyClassSettingIDList)
        {
            try
            {
                UnitOfWork.Delete<CF_SpecialtyClassSetting>(x => specialtyClassSettingIDList.Contains(x.SpecialtyClassSettingID));
                return true;
            }
            catch (Exception)
            {
                throw;
            }
        }

    }
}