using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.ConstrainedExecution;
using System.Text;
using System.Threading.Tasks;
using LearningOfficer.OA.Common.Attributes;
using LearningOfficer.OA.Common.Dtos.Classes;
using LearningOfficer.OA.Common.Dtos.LoginMobile;
using LearningOfficer.OA.Common.Dtos.OA.ManagerData;
using LearningOfficer.OA.Common.Dtos.OA.WorkProcess;
using LearningOfficer.OA.Common.Dtos.School;
using LearningOfficer.OA.Common.Dtos.V2.WorkProcess;
using LearningOfficer.OA.Common.Enums;
using LearningOfficer.OA.Common.Exceptions;
using LearningOfficer.OA.Core.Entities.OA.SystemInfo;
using LearningOfficer.OA.Core.Entities.OA.WorkProcess.ClassesTask;
using LearningOfficer.OA.Core.Entities.UserCenter;
using LearningOfficer.OA.Core.ServicesInterfaces;
using LearningOfficer.OA.Core.ServicesInterfaces.ClassTask;
using LearningOfficer.OA.Infrastructure.DBContext;
using Microsoft.EntityFrameworkCore.Internal;
using StackExchange.Redis;
using UserCenter.Model.Common;
using UserCenter.Model.Enum;

namespace LearningOfficer.OA.Services.WorkProcess.ClassTask
{
    [Inject]
    public class Task_checklistService : BaseService<Task_checklist>, ITask_checklistService
    {
        private readonly SugarRepository<Task_checklist> _db;
        public Task_checklistService(SugarRepository<Task_checklist> db) : base(db)
        {
            _db = db;
        }
        public async Task<List<ClassesResult>> GetBindClassesBySchoolId(long userId)
        {
            //学习官
            var classes = await _db.Context.Queryable<OaClassesFollowRelationship>().AS<OaClassesFollowRelationship>("usercenter_v1.oa_classes_follow_relationship")
                .LeftJoin<Classes>((u, c) => u.ClassesId == c.Id).AS<Classes>("usercenter_v1.classes")
                .LeftJoin<School>((u, c, s) => c.SchoolId == s.Id).AS<School>("usercenter_v1.school")
                .Where((u, c, s) => u.UserId == userId && c.DeleteState == false)
                .Select((u, c, s) => new ClassesResult
                {
                    Id = c.Id,
                    Name = c.ClassName,
                    GradeLevel = c.GradeLevel,
                    GraduationYear = c.GraduationYear,
                    SchoolId = s.Id,
                    SchoolName = s.Name,
                })
                .ToListAsync();
            return classes;
        }
    }
}