using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BLL.ZHGL.Question
{
    public class QuestionService
    {

        public static Model.Question_QuestionDB getQuestionDBById(string questionDBId)
        {
            Model.SGGLDB db = Funs.DB;
            return   db.Question_QuestionDB.FirstOrDefault(e => e.QuestionDBId == questionDBId);

        }
        public static void AddQuestionDB(Model.Question_QuestionDB TestTraining)
        {
            Model.SGGLDB db = Funs.DB;
            Model.Question_QuestionDB newTestTraining = new Model.Question_QuestionDB
            {
                QuestionDBId = TestTraining.QuestionDBId,
                QuestionDBCode = TestTraining.QuestionDBCode,
                QuestionDBName = TestTraining.QuestionDBName,
                SupQuestionDBId = TestTraining.SupQuestionDBId ?? "0",
                IsEndLever = TestTraining.IsEndLever
            };
            db.Question_QuestionDB.InsertOnSubmit(newTestTraining);
            db.SubmitChanges();
        }
        public static void UpdateQuestionDB(Model.Question_QuestionDB TestTraining)
        {
            Model.SGGLDB db = Funs.DB;
            Model.Question_QuestionDB newTestTraining = db.Question_QuestionDB.FirstOrDefault(e => e.QuestionDBId == TestTraining.QuestionDBId);
            if (newTestTraining != null)
            {
                newTestTraining.QuestionDBCode = TestTraining.QuestionDBCode;
                newTestTraining.QuestionDBName = TestTraining.QuestionDBName;
                newTestTraining.SupQuestionDBId = TestTraining.SupQuestionDBId;
                newTestTraining.IsEndLever = TestTraining.IsEndLever;

                db.SubmitChanges();
            }
        }
        public static Model.Question_QuestionDBItem getQuestionDBItemById(string questionItemDBId)
        {
            Model.SGGLDB db = Funs.DB;
            return db.Question_QuestionDBItem.FirstOrDefault(e => e.QuestionDBItemId == questionItemDBId);

        }

        public static void AddQuestionDBItem(Model.Question_QuestionDBItem TestTrainingItem)
        {
            Model.SGGLDB db = Funs.DB;
            Model.Question_QuestionDBItem newTestTrainingItem = new Model.Question_QuestionDBItem
            {
                QuestionDBItemId = TestTrainingItem.QuestionDBItemId,
                QuestionDBId = TestTrainingItem.QuestionDBId,
                QuestionDBItemCode = TestTrainingItem.QuestionDBItemCode,
                QuestionDBItemName = TestTrainingItem.QuestionDBItemName,
                Abstracts = TestTrainingItem.Abstracts,
                AttachUrl = TestTrainingItem.AttachUrl,
                VersionNum = TestTrainingItem.VersionNum,
                TestType = TestTrainingItem.TestType, 
                AItem = TestTrainingItem.AItem,
                BItem = TestTrainingItem.BItem,
                CItem = TestTrainingItem.CItem,
                DItem = TestTrainingItem.DItem,
                EItem = TestTrainingItem.EItem,
                AnswerItems = TestTrainingItem.AnswerItems,
            };
            db.Question_QuestionDBItem.InsertOnSubmit(newTestTrainingItem);
            db.SubmitChanges();
        }
        public static void UpdateQuestionDBItem(Model.Question_QuestionDBItem TestTrainingItem)
        {
            Model.SGGLDB db = Funs.DB;
            Model.Question_QuestionDBItem newTestTrainingItem = db.Question_QuestionDBItem.FirstOrDefault(e => e.QuestionDBItemId == TestTrainingItem.QuestionDBItemId);
            if (newTestTrainingItem != null)
            {
                newTestTrainingItem.QuestionDBItemCode = TestTrainingItem.QuestionDBItemCode;
                newTestTrainingItem.QuestionDBItemName = TestTrainingItem.QuestionDBItemName;
                newTestTrainingItem.Abstracts = TestTrainingItem.Abstracts;
                newTestTrainingItem.AttachUrl = TestTrainingItem.AttachUrl;
                newTestTrainingItem.VersionNum = TestTrainingItem.VersionNum;
                newTestTrainingItem.TestType = TestTrainingItem.TestType; 
                newTestTrainingItem.AItem = TestTrainingItem.AItem;
                newTestTrainingItem.BItem = TestTrainingItem.BItem;
                newTestTrainingItem.CItem = TestTrainingItem.CItem;
                newTestTrainingItem.DItem = TestTrainingItem.DItem;
                newTestTrainingItem.EItem = TestTrainingItem.EItem;
                newTestTrainingItem.AnswerItems = TestTrainingItem.AnswerItems;
                db.SubmitChanges();
            }
        }
        /// <summary>
        /// 根据主键删除信息
        /// </summary>
        /// <param name="TrainingId"></param>
        public static void DeleteQuestionDBById(string questionDBId)
        {
            Model.SGGLDB db = Funs.DB;
            Model.Question_QuestionDB questionDB = db.Question_QuestionDB.FirstOrDefault(e => e.QuestionDBId == questionDBId);
            if (questionDB != null)
            {
                var QuestionDBItem = from x in db.Question_QuestionDBItem where x.QuestionDBId == questionDBId select x;
                if (QuestionDBItem.Count() > 0)
                {
                    db.Question_QuestionDBItem.DeleteAllOnSubmit(QuestionDBItem);
                }

                db.Question_QuestionDB.DeleteOnSubmit(questionDB);
                db.SubmitChanges();
            }
        }
        public static void DeleteQuestionDBItemById(string questionDBItemId)
        {
            Model.SGGLDB db = Funs.DB;
            Model.Question_QuestionDBItem QuestionDBItem = db.Question_QuestionDBItem.FirstOrDefault(e => e.QuestionDBItemId == questionDBItemId);
            if (QuestionDBItem != null)
            {

                db.Question_QuestionDBItem.DeleteOnSubmit(QuestionDBItem);


                db.SubmitChanges();
            }
        }
    }
}