using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Linq.Expressions;
using Bowin.Common.Linq;
using Bowin.Common.Linq.Entity;
using EMIS.ViewModel.Cultureplan;
using EMIS.ViewModel;
using EMIS.Entities;
using EMIS.ViewModel.DQPSystem;

namespace EMIS.CommonLogic.DQPSystem
{
    public partial class SOCServices
    {
        public IGridResultSet<CoursematerialView> GetTeacherCoursematerialViewList(ConfiguretView conditionView,
            Guid schoolyearID, Guid userID, int? pageIndex, int? pageSize)
        {
            Expression<Func<DQP_SOC, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE && x.SchoolyearID == schoolyearID);
            Expression<Func<CF_Staff, bool>> staffExp = (x => x.UserID == userID);

            var query = this.SOCDAL.GetStaffRelateCoursematerialViewQueryable(exp, staffExp);

            if (!string.IsNullOrEmpty(conditionView.ConditionValue) && !string.IsNullOrEmpty(conditionView.Attribute))
                query = query.DynamicWhere(conditionView.Attribute, conditionView.Condition, conditionView.ConditionValue);

            query = query.OrderBy(x => x.CourseCode);

            return query.ToGridResultSet(pageIndex, pageSize);
        }

        public IGridResultSet<CoursematerialView> GetStudentCoursematerialViewList(ConfiguretView conditionView,
            Guid? schoolyearID, Guid userID, int? pageIndex, int? pageSize)
        {
            Expression<Func<DQP_SOC, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<CF_Student, bool>> studentExp = (x => x.UserID == userID);

            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.SchoolyearID == schoolyearID);
            }

            var query = this.SOCDAL.GetStudentRelateCoursematerialViewQueryable(exp, studentExp);

            if (!string.IsNullOrEmpty(conditionView.ConditionValue) && !string.IsNullOrEmpty(conditionView.Attribute))
                query = query.DynamicWhere(conditionView.Attribute, conditionView.Condition, conditionView.ConditionValue);

            query = query.OrderBy(x => x.CourseCode);

            return query.ToGridResultSet(pageIndex, pageSize);
        }

        public IGridResultSet<SOCStudentView> GetSOCStudentViewGrid(ConfiguretView conditionView, Guid? schoolyearID, Guid? coursematerialID, Guid userID, int? status, int? pageIndex, int? pageSize)
        {
            Expression<Func<DQP_SOC, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<CF_Student, bool>> studentExp = (x => x.UserID == userID);

            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (coursematerialID.HasValue)
            {
                exp = exp.And(x => x.CoursematerialID == coursematerialID);
            }
            if (status.HasValue)
            {
                exp = exp.And(x => x.RecordStatus == status);
            }

            var query = this.SOCDAL.GetSOCStudentViewQueryable(exp, studentExp);

            if (!string.IsNullOrEmpty(conditionView.ConditionValue) && !string.IsNullOrEmpty(conditionView.Attribute))
                query = query.DynamicWhere(conditionView.Attribute, conditionView.Condition, conditionView.ConditionValue);

            query = query.OrderByDescending(x => x.SchoolyearCode)
                .ThenBy(x => x.CourseCode)
                .ThenBy(x => x.Name);

            return query.ToGridResultSet(pageIndex, pageSize);
        }
    }
}