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

namespace EMIS.CommonLogic.GraduationManage.GraduationRequirement
{
    public class GraduationCourseServices : BaseServices, IGraduationCourseServices
    {
        public GraduationCourseDAL GraduationCourseDAL { get; set; }

        /// <summary>
        /// 查询毕业课程信息View
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="gradSchoolyearID"></param>
        /// <param name="collegeID"></param>
        /// <param name="yearID"></param>
        /// <param name="standardID"></param>
        /// <param name="educationID"></param>
        /// <param name="learningformID"></param>
        /// <param name="learnSystem"></param>
        /// <param name="courseTypeID"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <returns></returns>
        public IGridResultSet<GraduationCourseView> GetGraduationCourseViewGird(ConfiguretView configuretView, Guid? gradSchoolyearID, 
                Guid? collegeID, int? yearID, int? standardID, int? educationID, int? learningformID, string learnSystem, 
                int? courseTypeID, int pageIndex, int pageSize)
        {
            //毕业课程
            Expression<Func<ER_GraduationCourse, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);

            if (courseTypeID.HasValue)
            { 
                //课程类型
                exp = exp.And(x => x.CourseTypeID == courseTypeID);
            }

            var query = GraduationCourseDAL.GetGraduationCourseQueryable(exp);

            if (gradSchoolyearID.HasValue)
            {
                query = query.Where(x => x.GraduatingSemesterID == gradSchoolyearID);
            }
            if (collegeID.HasValue)
            {
                query = query.Where(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                query = query.Where(x => x.SchoolyearID == yearID);
            }
            if (standardID.HasValue)
            {
                query = query.Where(x => x.StandardID == standardID);
            }
            if (educationID.HasValue)
            {
                query = query.Where(x => x.EducationID == educationID);
            }
            if (learningformID.HasValue)
            {
                query = query.Where(x => x.LearningformID == learningformID);
            }
            if (!string.IsNullOrEmpty(learnSystem) && learnSystem != "-1")
            {
                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 this.GetQueryByDataRangeByCollege(query)
                    .OrderByDescending(x => x.SchoolyearID).OrderBy(x => x.StandardID)
                    .ThenBy(x => x.EducationID).ThenBy(x => x.LearningformID)
                    .ThenBy(x => x.CourseTypeID)
                    .ThenBy(x => x.CollegeNo.Length).ThenBy(x => x.CollegeNo)
                    .ToGridResultSet<GraduationCourseView>(pageIndex, pageSize);
        }

        /// <summary>
        /// 查询毕业课程信息List
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="gradSchoolyearID"></param>
        /// <param name="collegeID"></param>
        /// <param name="yearID"></param>
        /// <param name="standardID"></param>
        /// <param name="educationID"></param>
        /// <param name="learningformID"></param>
        /// <param name="learnSystem"></param>
        /// <param name="courseTypeID"></param>
        /// <returns></returns>
        public IList<GraduationCourseView> GetGraduationCourseViewList(ConfiguretView configuretView, Guid? gradSchoolyearID, 
            Guid? collegeID, int? yearID, int? standardID, int? educationID, int? learningformID, string learnSystem, int? courseTypeID)
        {
            //毕业课程
            Expression<Func<ER_GraduationCourse, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);

            if (courseTypeID.HasValue)
            {
                //课程类型
                exp = exp.And(x => x.CourseTypeID == courseTypeID);
            }

            var query = GraduationCourseDAL.GetGraduationCourseQueryable(exp);

            if (gradSchoolyearID.HasValue)
            {
                query = query.Where(x => x.GraduatingSemesterID == gradSchoolyearID);
            }
            if (collegeID.HasValue)
            {
                query = query.Where(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                query = query.Where(x => x.SchoolyearID == yearID);
            }
            if (standardID.HasValue)
            {
                query = query.Where(x => x.StandardID == standardID);
            }
            if (educationID.HasValue)
            {
                query = query.Where(x => x.EducationID == educationID);
            }
            if (learningformID.HasValue)
            {
                query = query.Where(x => x.LearningformID == learningformID);
            }
            if (!string.IsNullOrEmpty(learnSystem) && learnSystem != "-1")
            {
                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 this.GetQueryByDataRangeByCollege(query)
                    .OrderByDescending(x => x.SchoolyearID).OrderBy(x => x.StandardID)
                    .ThenBy(x => x.EducationID).ThenBy(x => x.LearningformID)
                    .ThenBy(x => x.CourseTypeID)
                    .ThenBy(x => x.CollegeNo.Length).ThenBy(x => x.CollegeNo)
                    .ToList();
        }

        /// <summary>
        /// 根据毕业课程ID查询对应的毕业课程信息GraduationCourseView
        /// </summary>
        /// <param name="GraduationCourseID"></param>
        /// <returns></returns>
        public GraduationCourseView GetGraduationCourseView(Guid? GraduationCourseID)
        {
            try
            {
                var query = GraduationCourseDAL.GetGraduationCourseQueryable(x => x.GraduationCourseID == GraduationCourseID)
                        .SingleOrDefault();

                return query;
            }
            catch (Exception ex)
            {

                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 查询对应的专业计划信息View（需与毕业课程信息进行对比）
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="gradSchoolyearID"></param>
        /// <param name="collegeID"></param>
        /// <param name="yearID"></param>
        /// <param name="standardID"></param>
        /// <param name="educationID"></param>
        /// <param name="learningformID"></param>
        /// <param name="learnSystem"></param>
        /// <param name="coursematerialID"></param>
        /// <param name="courseTypeID"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <returns></returns>
        public IGridResultSet<GradSpecialtyPlanView> GetGradSpecialtyPlanViewGrid(ConfiguretView configuretView, Guid? gradSchoolyearID, 
                Guid? collegeID, int? yearID, int? standardID, int? educationID, int? learningformID, string learnSystem, 
                Guid? coursematerialID, int? courseTypeID, int pageIndex, int pageSize)
        {
            //专业计划
            Expression<Func<EM_SpecialtyPlan, bool>> expSpecialtyPlan = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            if (coursematerialID.HasValue)
            { 
                //课程信息
                expSpecialtyPlan = expSpecialtyPlan.And(x => x.CoursematerialID == coursematerialID);
            }
            if (courseTypeID.HasValue)
            {
                //课程类型
                expSpecialtyPlan = expSpecialtyPlan.And(x => x.CourseTypeID == courseTypeID);
            }

            //年级专业
            Expression<Func<CF_Grademajor, bool>> expGrademajor = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            if (gradSchoolyearID.HasValue)
            {
                //毕业学期
                expGrademajor = expGrademajor.And(x => x.GraduateSchoolyearID == gradSchoolyearID);
            }

            var query = GraduationCourseDAL.GetGradSpecialtyPlanQueryable(expSpecialtyPlan, expGrademajor);

            if (collegeID.HasValue)
            {
                query = query.Where(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                query = query.Where(x => x.GradeID == yearID);
            }
            if (standardID.HasValue)
            {
                query = query.Where(x => x.StandardID == standardID);
            }
            if (educationID.HasValue)
            {
                query = query.Where(x => x.EducationID == educationID);
            }
            if (learningformID.HasValue)
            {
                query = query.Where(x => x.LearningformID == learningformID);
            }
            if (!string.IsNullOrEmpty(learnSystem) && learnSystem != "-1")
            {
                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 this.GetQueryByDataRangeByCollege(query)
                    .OrderByDescending(x => x.GradeID).ThenBy(x => x.GrademajorCode.Length)
                    .ThenBy(x => x.GrademajorCode).ThenBy(x => x.StarttermID)
                    .ToGridResultSet<GradSpecialtyPlanView>(pageIndex, pageSize);
        }

        /// <summary>
        /// 查询对应的专业计划信息List（需与毕业课程信息进行对比）
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="gradSchoolyearID"></param>
        /// <param name="collegeID"></param>
        /// <param name="yearID"></param>
        /// <param name="standardID"></param>
        /// <param name="educationID"></param>
        /// <param name="learningformID"></param>
        /// <param name="learnSystem"></param>
        /// <param name="coursematerialID"></param>
        /// <param name="courseTypeID"></param>
        /// <returns></returns>
        public IList<GradSpecialtyPlanView> GetGradSpecialtyPlanViewList(ConfiguretView configuretView, Guid? gradSchoolyearID, 
                Guid? collegeID, int? yearID, int? standardID, int? educationID, int? learningformID, string learnSystem, 
                Guid? coursematerialID, int? courseTypeID)
        {
            //专业计划
            Expression<Func<EM_SpecialtyPlan, bool>> expSpecialtyPlan = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            if (coursematerialID.HasValue)
            {
                //课程信息
                expSpecialtyPlan = expSpecialtyPlan.And(x => x.CoursematerialID == coursematerialID);
            }
            if (courseTypeID.HasValue)
            {
                //课程类型
                expSpecialtyPlan = expSpecialtyPlan.And(x => x.CourseTypeID == courseTypeID);
            }

            //年级专业
            Expression<Func<CF_Grademajor, bool>> expGrademajor = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            if (gradSchoolyearID.HasValue)
            {
                //毕业学期
                expGrademajor = expGrademajor.And(x => x.GraduateSchoolyearID == gradSchoolyearID);
            }

            var query = GraduationCourseDAL.GetGradSpecialtyPlanQueryable(expSpecialtyPlan, expGrademajor);

            if (collegeID.HasValue)
            {
                query = query.Where(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                query = query.Where(x => x.GradeID == yearID);
            }
            if (standardID.HasValue)
            {
                query = query.Where(x => x.StandardID == standardID);
            }
            if (educationID.HasValue)
            {
                query = query.Where(x => x.EducationID == educationID);
            }
            if (learningformID.HasValue)
            {
                query = query.Where(x => x.LearningformID == learningformID);
            }
            if (!string.IsNullOrEmpty(learnSystem) && learnSystem != "-1")
            {
                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 this.GetQueryByDataRangeByCollege(query)
                    .OrderByDescending(x => x.GradeID).ThenBy(x => x.GrademajorCode.Length)
                    .ThenBy(x => x.GrademajorCode).ThenBy(x => x.StarttermID)
                    .ToList();
        }

        /// <summary>
        /// 计划生成（专业计划）
        /// </summary>
        /// <param name="graduationCourseView"></param>
        /// <param name="gradSpecialtyPlanViewList"></param>
        /// <returns></returns>
        public string GraduationCourseBatchAdd(GraduationCourseView graduationCourseView, List<GradSpecialtyPlanView> gradSpecialtyPlanViewList)
        {
            try
            {
                //毕业课程信息List
                var chargeStandardList = GraduationCourseDAL.GraduationCourseRepository
                        .GetList(x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE).ToList();

                int success = 0; //成功
                int fail = 0; //失败
                string tipMessage = null; //提示消息

                List<ER_GraduationCourse> graduationCourseInList = new List<ER_GraduationCourse>();

                //注：毕业课程业务主键（年级专业ID、课程信息ID、课程类型ID、课程学分）
                foreach (var gradSpecialtyPlanView in gradSpecialtyPlanViewList)
                {
                    //查询数据库进行验证
                    var graduationCourseVerification = chargeStandardList
                            .Where(x => x.GrademajorID == gradSpecialtyPlanView.GrademajorID
                                    && x.CoursematerialID == gradSpecialtyPlanView.CoursematerialID
                                    && x.CourseTypeID == gradSpecialtyPlanView.CourseTypeID
                                    && x.CourseCredit == gradSpecialtyPlanView.Credit)
                                    .SingleOrDefault();
                                    
                    if (graduationCourseVerification == null)
                    {
                        //表示不存在对应的毕业课程（新增）
                        ER_GraduationCourse graduationCourse = new ER_GraduationCourse();
                        graduationCourse.GraduationCourseID = Guid.NewGuid();
                        graduationCourse.GrademajorID = gradSpecialtyPlanView.GrademajorID;
                        graduationCourse.CoursematerialID = gradSpecialtyPlanView.CoursematerialID;
                        graduationCourse.CourseTypeID = gradSpecialtyPlanView.CourseTypeID;
                        graduationCourse.CourseCredit = gradSpecialtyPlanView.Credit;
                        SetNewStatus(graduationCourse);

                        graduationCourseInList.Add(graduationCourse);
                        success++;
                    }
                    else
                    {
                        //表示已存在相同的毕业课程
                        fail++;
                    }
                }

                //批量插入
                UnitOfWork.BulkInsert<ER_GraduationCourse>(graduationCourseInList);

                if (success > 0 && fail <= 0)
                {
                    tipMessage = success + "条";
                }
                else
                {
                    tipMessage = success + "条," + fail + "条失败，原因：已存在相同的毕业课程，请检查";
                }

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

        /// <summary>
        /// 编辑（新增、修改，业务主键：年级专业、课程信息、课程类型、课程学分）
        /// </summary>
        /// <param name="graduationCourseView"></param>
        public void GraduationCourseEdit(GraduationCourseView graduationCourseView)
        {
            try
            {
                //查询数据库进行验证
                var graduationCourseVerification = GraduationCourseDAL.GraduationCourseRepository
                        .GetList(x => x.GraduationCourseID != graduationCourseView.GraduationCourseID
                                && x.GrademajorID == graduationCourseView.GrademajorID
                                && x.CoursematerialID == graduationCourseView.CoursematerialID
                                && x.CourseTypeID == graduationCourseView.CourseTypeID
                                && x.CourseCredit == graduationCourseView.CourseCredit)
                                .SingleOrDefault();

                if (graduationCourseVerification == null)
                {
                    //数据有误验证
                    if (graduationCourseView.GraduationCourseID != Guid.Empty)
                    {
                        var graduationCourse = GraduationCourseDAL.GraduationCourseRepository
                                .GetList(x => x.GraduationCourseID == graduationCourseView.GraduationCourseID)
                                .SingleOrDefault();
                        if (graduationCourse == null)
                        {
                            throw new Exception("数据有误，请核查");
                        }
                        else
                        {
                            //表示修改
                            graduationCourse.GrademajorID = graduationCourseView.GrademajorID;
                            graduationCourse.CoursematerialID = graduationCourseView.CoursematerialID;
                            graduationCourse.CourseTypeID = graduationCourseView.CourseTypeID;
                            graduationCourse.CourseCredit = graduationCourseView.CourseCredit;

                            SetModifyStatus(graduationCourse);
                        }
                    }
                    else
                    {
                        //表示新增
                        ER_GraduationCourse graduationCourse = new ER_GraduationCourse();
                        graduationCourse.GraduationCourseID = Guid.NewGuid();
                        graduationCourse.GrademajorID = graduationCourseView.GrademajorID;
                        graduationCourse.CoursematerialID = graduationCourseView.CoursematerialID;
                        graduationCourse.CourseTypeID = graduationCourseView.CourseTypeID;
                        graduationCourse.CourseCredit = graduationCourseView.CourseCredit;
                        SetNewStatus(graduationCourse);
                        UnitOfWork.Add(graduationCourse);
                    }
                }
                else
                {
                    throw new Exception("已存在相同的毕业课程，请核查");
                }

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

                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="graduationCourseIDList"></param>
        /// <returns></returns>
        public bool GraduationCourseDelete(IList<Guid?> graduationCourseIDList)
        {
            try
            {
                UnitOfWork.Delete<ER_GraduationCourse>(x => graduationCourseIDList.Contains(x.GraduationCourseID));
                UnitOfWork.Commit();
                return true;
            }
            catch (Exception ex)
            {

                throw new Exception(ex.Message);
            }
        }

    }
}