using System;
using System.Linq;

namespace BLL
{
    /// <summary>
    /// 考试记录
    /// </summary>
    public static class TestRecordService
    {
        public static Model.SGGLDB db = Funs.DB;

        /// <summary>
        /// 根据主键获取考试记录
        /// </summary>
        /// <param name="testRecordId"></param>
        /// <returns></returns>
        public static Model.Training_TestRecord GetTestRecordById(string testRecordId)
        {
            return Funs.DB.Training_TestRecord.FirstOrDefault(e => e.TestRecordId == testRecordId);
        }
        
        /// <summary>
        /// 新增考生记录信息
        /// </summary>
        /// <param name="Training"></param>
        public static void AddTestRecord(Model.Training_TestRecord testRecord)
        {
            Model.SGGLDB db = Funs.DB;
            Model.Training_TestRecord newTestRecord = new Model.Training_TestRecord
            {
                TestRecordId = testRecord.TestRecordId,
                ProjectId = testRecord.ProjectId,
                TestPlanId = testRecord.TestPlanId,
                TestManId = testRecord.TestManId,
                TestType=testRecord.TestType,
            };

            if (string.IsNullOrEmpty(newTestRecord.TestType))
            {
                var getTrainTypeName = (from x in db.Training_TestPlan
                                      join y in db.Training_Plan on x.PlanId equals y.PlanId
                                      join z in db.Base_TrainType on y.TrainTypeId equals z.TrainTypeId
                                      where x.TestPlanId == testRecord.TestPlanId
                                      select z).FirstOrDefault();
                    
                if (getTrainTypeName != null)
                {
                    testRecord.TestType = getTrainTypeName.TrainTypeName;
                }
            }

            db.Training_TestRecord.InsertOnSubmit(newTestRecord);
            db.SubmitChanges();
        }

        /// <summary>
        /// 修改考试记录信息
        /// </summary>
        /// <param name="Training"></param>
        public static void UpdateTestRecord(Model.Training_TestRecord testRecord)
        {
            Model.SGGLDB db = Funs.DB;
            Model.Training_TestRecord newTestRecord = db.Training_TestRecord.FirstOrDefault(e => e.TestRecordId == testRecord.TestRecordId);
            if (newTestRecord != null)
            {
                newTestRecord.TestScores = testRecord.TestScores;
                newTestRecord.TestEndTime = testRecord.TestEndTime;
                newTestRecord.IsFiled = testRecord.IsFiled;
                db.SubmitChanges();
            }
        }

        /// <summary>
        /// 根据计划主键删除考试人员信息
        /// </summary>
        /// <param name="planId"></param>
        public static void DeleteTestRecordByTestPlanId(string testPlanId)
        {
            var deleteRecords = from x in Funs.DB.Training_TestRecord where x.TestPlanId == testPlanId select x;
            if (deleteRecords.Count() > 0)
            {
                foreach (var item in deleteRecords)
                {
                    DeleteTestRecordByTestRecordId(item.TestRecordId);
                }
            }
        }

        /// <summary>
        /// 根据考生主键删除考生信息
        /// </summary>
        /// <param name="planId"></param>
        public static void DeleteTestRecordByTestRecordId(string testRecordId)
        {
            using (Model.SGGLDB db = new Model.SGGLDB(Funs.ConnString))
            {
                var testRecord = db.Training_TestRecord.FirstOrDefault(e => e.TestRecordId == testRecordId);
                if (testRecord != null)
                {
                    var testRecordItem = from x in db.Training_TestRecordItem where x.TestRecordId == testRecordId select x;
                    if (testRecordItem.Count() > 0)
                    {
                        db.Training_TestRecordItem.DeleteAllOnSubmit(testRecordItem);
                        db.SubmitChanges();
                    }

                    db.Training_TestRecord.DeleteOnSubmit(testRecord);
                    db.SubmitChanges();
                }
            }
        }

        /// <summary>
        /// 更新没有结束时间且超时的考试记录
        /// </summary>
        public static int UpdateTestEndTimeNull(string testRecordId)
        {
            int icount = 0;
            using (Model.SGGLDB db = new Model.SGGLDB(Funs.ConnString))
            {
                var q = from x in db.Training_TestRecord
                        where x.TestRecordId == testRecordId
                        select x;
                var testRecord = q.FirstOrDefault();
                if (!testRecord.TestEndTime.HasValue && testRecord.TestStartTime.HasValue
                                 && testRecord.TestStartTime.Value.AddMinutes(testRecord.Duration) < DateTime.Now)
                {
                    testRecord.TestEndTime = testRecord.TestStartTime.Value.AddMinutes(testRecord.Duration);
                    testRecord.TestScores = db.Training_TestRecordItem.Where(x => x.TestRecordId == testRecord.TestRecordId).Sum(x => x.SubjectScore) ?? 0;
                    db.SubmitChanges();
                    icount++;
                }
               
                //var testRecord = from x in db.Training_TestRecord
                //                 where !x.TestEndTime.HasValue && x.TestStartTime.HasValue
                //                 && x.TestStartTime.Value.AddMinutes(x.Duration) < DateTime.Now
                //                 && x.TestRecordId == testRecordId
                //                 select x;
                //if (testRecord.Count() > 0)
                //{
                //    foreach (var item in testRecord)
                //    {
                //        item.TestEndTime = item.TestStartTime.Value.AddMinutes(item.Duration);
                //        item.TestScores = db.Training_TestRecordItem.Where(x => x.TestRecordId == item.TestRecordId).Sum(x => x.SubjectScore) ?? 0;
                //        db.SubmitChanges();
                //        icount++;
                //    }
                //}


            }
            return icount;
        }

        public static void AddTestRecordForApi(Model.Training_TestRecord testRecord)
        {
            using (Model.SGGLDB db = new Model.SGGLDB(Funs.ConnString))
            {
                Model.Training_TestRecord newTestRecord = new Model.Training_TestRecord
                {
                    TestRecordId = testRecord.TestRecordId,
                    ProjectId = testRecord.ProjectId,
                    TestPlanId = testRecord.TestPlanId,
                    TestManId = testRecord.TestManId,
                    TestType = testRecord.TestType,
                };

                if (string.IsNullOrEmpty(newTestRecord.TestType))
                {
                    var getTrainTypeName = (from x in db.Training_TestPlan
                                            join y in db.Training_Plan on x.PlanId equals y.PlanId
                                            join z in db.Base_TrainType on y.TrainTypeId equals z.TrainTypeId
                                            where x.TestPlanId == testRecord.TestPlanId
                                            select z).FirstOrDefault();

                    if (getTrainTypeName != null)
                    {
                        testRecord.TestType = getTrainTypeName.TrainTypeName;
                    }
                }

                db.Training_TestRecord.InsertOnSubmit(newTestRecord);
                db.SubmitChanges();
            }
        }
    }
}