using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Linq.Expressions;
using System.Transactions;
using Bowin.Common.Linq;
using Bowin.Common.Linq.Entity;
using EMIS.Entities;
using EMIS.ViewModel;
using EMIS.ViewModel.WorkflowManage;
using EMIS.ViewModel.CultureplanManage.PlanManagement;
using EMIS.DataLogic.CultureplanManage.PlanManagement;
using EMIS.CommonLogic.SystemServices;

namespace EMIS.CommonLogic.CultureplanManage.PlanManagement
{
    public class PlanApplicationApproveServices : BaseWorkflowServices<EM_PlanApplication>, IPlanApplicationApproveServices
    {
        public PlanApplicationDAL PlanApplicationDAL { get; set; }

        /// <summary>
        /// 查询对应的计划审核信息PlanApplicationView
        /// 注：普教版本（年级专业）
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="schoolyearID"></param>
        /// <param name="campusID"></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="grademajorID"></param>
        /// <param name="coursematerialID"></param>
        /// <param name="handleModeID"></param>
        /// <param name="approvalStatus"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <returns></returns>
        public IGridResultSet<PlanApplicationView> GetPlanApplicationApproveViewGrid(ConfiguretView configuretView, Guid? schoolyearID, 
                Guid? campusID, Guid? collegeID, int? yearID, int? standardID, int? educationID, int? learningformID, string learnSystem, 
                Guid? grademajorID, Guid? coursematerialID, int? handleModeID, int? approvalStatus, int pageIndex, int pageSize)
        {
            var approveStatusList = this.GetApproveStatusViewList();
            var approveStatusIDList = approveStatusList.Select(x => x.ID).ToList();

            //计划申请
            Expression<Func<EM_PlanApplication, bool>> expPlanApplication = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expPlanApplication = expPlanApplication.And(x => approveStatusIDList.Contains(x.RecordStatus));
            if (schoolyearID.HasValue)
            {
                expPlanApplication = expPlanApplication.And(x => x.SchoolyearID == schoolyearID);
            }
            if (grademajorID.HasValue)
            {
                expPlanApplication = expPlanApplication.And(x => x.GrademajorID == grademajorID);
            }
            if (coursematerialID.HasValue)
            {
                expPlanApplication = expPlanApplication.And(x => x.CoursematerialID == coursematerialID);
            }
            if (handleModeID.HasValue)
            {
                expPlanApplication = expPlanApplication.And(x => x.HandleModeID == handleModeID);
            }
            if (approvalStatus.HasValue)
            {
                expPlanApplication = expPlanApplication.And(x => x.RecordStatus == approvalStatus);
            }

            var query = PlanApplicationDAL.GetPlanApplicationViewQueryable(expPlanApplication);
            if (campusID.HasValue)
            {
                query = query.Where(x => x.CampusID == campusID);
            }
            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());
            }
            var result = this.GetQueryByDataRangeByCollege(query)
                    .OrderBy(x => x.GrademajorCode.Length).ThenBy(x => x.GrademajorCode)
                    .ThenBy(x => x.Value).ThenBy(x => x.CourseTypeID)
                    .ThenBy(x => x.CourseCode.Length).ThenBy(x => x.CourseCode)
                    .ThenByDescending(x => x.CreateTime).ToGridResultSet<PlanApplicationView>(pageIndex, pageSize);
            result.rows.ForEach(x => x.ApprovalStatusName = approveStatusList.FirstOrDefault(w => w.ID == x.ApprovalStatus).Name);
            return result;
        }

        /// <summary>
        /// 查询对应的计划审核信息List
        /// 注：普教版本（年级专业）
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="schoolyearID"></param>
        /// <param name="campusID"></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="grademajorID"></param>
        /// <param name="coursematerialID"></param>
        /// <param name="handleModeID"></param>
        /// <param name="approvalStatus"></param>
        /// <returns></returns>
        public IList<PlanApplicationView> GetPlanApplicationApproveViewList(ConfiguretView configuretView, Guid? schoolyearID, 
                Guid? campusID, Guid? collegeID, int? yearID, int? standardID, int? educationID, int? learningformID, string learnSystem, 
                Guid? grademajorID, Guid? coursematerialID, int? handleModeID, int? approvalStatus)
        {
            var approveStatusList = this.GetApproveStatusViewList();
            var approveStatusIDList = approveStatusList.Select(x => x.ID).ToList();

            //计划申请
            Expression<Func<EM_PlanApplication, bool>> expPlanApplication = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expPlanApplication = expPlanApplication.And(x => approveStatusIDList.Contains(x.RecordStatus));
            if (schoolyearID.HasValue)
            {
                expPlanApplication = expPlanApplication.And(x => x.SchoolyearID == schoolyearID);
            }
            if (grademajorID.HasValue)
            {
                expPlanApplication = expPlanApplication.And(x => x.GrademajorID == grademajorID);
            }
            if (coursematerialID.HasValue)
            {
                expPlanApplication = expPlanApplication.And(x => x.CoursematerialID == coursematerialID);
            }
            if (handleModeID.HasValue)
            {
                expPlanApplication = expPlanApplication.And(x => x.HandleModeID == handleModeID);
            }
            if (approvalStatus.HasValue)
            {
                expPlanApplication = expPlanApplication.And(x => x.RecordStatus == approvalStatus);
            }

            var query = PlanApplicationDAL.GetPlanApplicationViewQueryable(expPlanApplication);
            if (campusID.HasValue)
            {
                query = query.Where(x => x.CampusID == campusID);
            }
            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());
            }
            var result = this.GetQueryByDataRangeByCollege(query)
                    .OrderBy(x => x.GrademajorCode.Length).ThenBy(x => x.GrademajorCode)
                    .ThenBy(x => x.Value).ThenBy(x => x.CourseTypeID)
                    .ThenBy(x => x.CourseCode.Length).ThenBy(x => x.CourseCode)
                    .ThenByDescending(x => x.CreateTime).ToList();
            result.ForEach(x => x.ApprovalStatusName = approveStatusList.FirstOrDefault(w => w.ID == x.ApprovalStatus).Name);
            return result;
        }

        /// <summary>
        /// 查询对应的计划审核信息PlanApplicationView（根据计划申请ID）
        /// </summary>
        /// <param name="planApplicationID"></param>
        /// <returns></returns>
        public PlanApplicationView GetPlanApplicationApproveView(Guid? planApplicationID)
        {
            try
            {
                var planApplicationView = PlanApplicationDAL.GetPlanApplicationViewQueryable(x => x.PlanApplicationID == planApplicationID).SingleOrDefault();

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

        /// <summary>
        /// 编辑（新增、修改）
        /// </summary>
        /// <param name="planApplicationView"></param>
        public void PlanApplicationApproveEdit(PlanApplicationView planApplicationView)
        {
            throw new NotImplementedException();
        }

        /// <summary>
        /// 查询对应的流程环节动作List（ActionView）
        /// </summary>
        /// <param name="formID"></param>
        /// <param name="userID"></param>
        /// <returns></returns>
        public List<ActionView> GetApproveActionView(Guid formID, Guid userID)
        {
            try
            {
                List<ActionView> listAction = this.GetActionView(formID, userID);
                return listAction;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="planApplicationIDs"></param>
        /// <returns></returns>
        public bool PlanApplicationApproveDelete(List<Guid?> planApplicationIDs)
        {
            try
            {
                using (TransactionScope ts = new TransactionScope())
                {
                    UnitOfWork.Delete<EM_PlanApplicationTeachingPlace>(x => planApplicationIDs.Contains(x.PlanApplicationID));
                    UnitOfWork.Delete<EM_PlanApplicationTeachingModeType>(x => planApplicationIDs.Contains(x.PlanApplicationID));
                    UnitOfWork.Delete<EM_PlanApplicationTeachingSetting>(x => planApplicationIDs.Contains(x.PlanApplicationID));
                    UnitOfWork.Delete<EM_PlanApplication>(x => planApplicationIDs.Contains(x.PlanApplicationID));
                    ts.Complete();
                    return true;
                }
            }
            catch (Exception)
            {
                throw;
            }
        }

        /// <summary>
        /// 审核确定（批量）
        /// </summary>
        /// <param name="planApplicationIDs"></param>
        /// <param name="userID"></param>
        /// <param name="actionID"></param>
        /// <param name="comment"></param>
        /// <returns></returns>
        public string PlanApplicationApproveConfirm(List<Guid?> planApplicationIDs, Guid userID, Guid actionID, string comment)
        {
            try
            {
                //查询对应的工作流程环节状态信息View
                var approveStatusList = this.GetStatusViewList();
                if (approveStatusList == null || approveStatusList.Count() <= 0)
                {
                    throw new Exception("工作流平台中，专业计划流程未配置，请核查。");
                }
                //查询工作流程结束环节状态
                var endStatusID = this.GetCorrectEndStatus();
                if (endStatusID == null)
                {
                    throw new Exception("工作流平台中，专业计划流程结束环节未配置，请核查。");
                }

                //查询对应的计划申请信息List
                var planApplicationList = PlanApplicationDAL.PlanApplicationRepository
                        .GetList(x => planApplicationIDs.Contains(x.PlanApplicationID), (x => x.EM_PlanApplicationTeachingSetting)).ToList();
                //计划申请信息对应的grademajorIDList
                var grademajorIDList = planApplicationList.Where(x => !string.IsNullOrEmpty(x.GrademajorID.ToString()))
                        .Select(x => x.GrademajorID).ToList();
                //查询对应的专业计划信息
                var specialtyPlanList = PlanApplicationDAL.SpecialtyPlanRepository
                        .GetList(x => grademajorIDList.Contains(x.GrademajorID), (x => x.EM_SpecialtyPlanTeachingSetting)).ToList();

                int success = 0; //成功
                int fail = 0; //失败
                string tipMessage = null; //提示消息
                var approveIDList = new List<Guid>();
                foreach (var planApplication in planApplicationList)
                {
                    //查询对应的计划审核信息（业务主键：学年学期ID、年级专业ID、课程信息ID）
                    var specialtyPlan = specialtyPlanList.Where(x => x.SchoolyearID == planApplication.SchoolyearID 
                            && x.GrademajorID == planApplication.GrademajorID
                            && x.CoursematerialID == planApplication.CoursematerialID).SingleOrDefault();
                    if (specialtyPlan == null)
                    {
                        approveIDList.Add(planApplication.PlanApplicationID);
                        success++;
                    }
                    else
                    {
                        fail++;
                    }
                }
                if (approveIDList.Count > 0)
                {
                    //审核
                    this.Approve(approveIDList, userID, actionID, comment);
                }
                if (success > 0 && fail <= 0)
                {
                    tipMessage = success + "条";
                }
                else
                {
                    tipMessage = success + "条，" + fail + "条失败，原因：已存在相同的专业计划信息，请检查。";
                }

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

        /// <summary>
        /// 查询计划审核对应的授课方式List
        /// </summary>
        /// <param name="planApplicationID"></param>
        /// <returns></returns>
        public List<string> GetTeachingModeTypeList(Guid? planApplicationID)
        {
            //计划申请
            Expression<Func<EM_PlanApplication, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            exp = exp.And(x => x.PlanApplicationID == planApplicationID);
            var query = PlanApplicationDAL.GetTeachingModeTypeQueryble(exp);

            return query.OrderBy(x => x.Value).Select(x => x.ToString()).ToList();
        }

        /// <summary>
        /// 查询计划审核对应的授课地点List
        /// </summary>
        /// <param name="planApplicationID"></param>
        /// <returns></returns>
        public List<string> GetTeachingPlaceList(Guid? planApplicationID)
        {
            //计划申请
            Expression<Func<EM_PlanApplication, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            exp = exp.And(x => x.PlanApplicationID == planApplicationID);
            var query = PlanApplicationDAL.GetTeachingPlaceQueryble(exp);

            return query.OrderBy(x => x.Value).Select(x => x.ToString()).ToList();
        }

    }
}