using EntityFrameworkCore.Triggered;
using IRaCIS.Core.Domain.Share;
using IRaCIS.Core.Domain.Share.Reading;
using IRaCIS.Core.Infrastructure;
using MassTransit;

namespace IRaCIS.Core.Application.Triggers
{
    /// <summary>
    ///  处理  访视   末次评估  会影响Subject 状态
    /// </summary>
    public class SubjectVisitFinalVisitTrigger : IAfterSaveTrigger<SubjectVisit>
    {
        private readonly IRepository<SubjectVisit> _subjectVisitRepository;
        private readonly IRepository<Subject> _subjectRepository;
        private readonly IRepository _repository;

        public SubjectVisitFinalVisitTrigger(IRepository<SubjectVisit> subjectVisitRepository, IRepository<Subject> subjectRepository, IRepository repository)
        {
            _subjectVisitRepository = subjectVisitRepository;
            _subjectRepository = subjectRepository;
            _repository = repository;
        }

        public async Task AfterSave(ITriggerContext<SubjectVisit> context, CancellationToken cancellationToken)
        {

            var subjectVisit = context.Entity;


            if (context.ChangeType == ChangeType.Modified)
            {

                // 修改了IsFinalVisit
                if (context.UnmodifiedEntity?.IsFinalVisit != subjectVisit.IsFinalVisit)
                {
                    if (subjectVisit.IsFinalVisit)
                    {
                        await VerifyDealFinalVisitAsync(subjectVisit);
                    }
                    else
                    {
                        //回退

                        await _subjectRepository.BatchUpdateNoTrackingAsync(t => t.Id == subjectVisit.SubjectId,
                            u => new Subject() { Status = SubjectStatus.OnVisit, FinalSubjectVisitId = null });

                        await _subjectVisitRepository.BatchUpdateNoTrackingAsync(t => t.SubjectId == subjectVisit.SubjectId && t.VisitExecuted == VisitExecutedEnum.Unavailable, u => new SubjectVisit() { VisitExecuted = VisitExecutedEnum.UnExecuted });
                    }
                }

            }
            else if (context.ChangeType == ChangeType.Added && subjectVisit.IsFinalVisit)
            {
                await VerifyDealFinalVisitAsync(subjectVisit);
            }



        }


        private async Task VerifyDealFinalVisitAsync(SubjectVisit subjectVisit)
        {
            if (await _subjectVisitRepository.AnyAsync(t => t.SubjectId == subjectVisit.SubjectId && t.VisitNum > subjectVisit.VisitNum &&
                       (t.SubmitState == SubmitStateEnum.ToSubmit || t.SubmitState == SubmitStateEnum.Submitted)))
            {
                throw new BusinessValidationFailedException("该受试者已有后续访视已上传影像或已提交，当前访视不允许设置为末次访视。");
            }

            await _subjectRepository.BatchUpdateNoTrackingAsync(t => t.Id == subjectVisit.SubjectId,
                  u => new Subject() { Status = SubjectStatus.OutOfVisit, FinalSubjectVisitId = subjectVisit.Id });


            //末次访视后的  访视设置为不可用
            await _subjectVisitRepository.BatchUpdateNoTrackingAsync(t => t.SubjectId == subjectVisit.SubjectId && t.VisitNum > subjectVisit.VisitNum &&
            t.VisitExecuted == VisitExecutedEnum.UnExecuted, u => new SubjectVisit() { VisitExecuted = VisitExecutedEnum.Unavailable });


            var trialId = subjectVisit.TrialId;
            var subjectVisitId= subjectVisit.Id;
            // 是否全局阅片
            var isGlobalReading = await _repository.Where<Trial>(x => x.Id == trialId).Select(x => x.IsGlobalReading).FirstOrDefaultAsync();


            if (isGlobalReading)
            {

                if (!await _repository.AnyAsync<ReadingPeriodSet>(x => x.TrialId == trialId && x.IsGlobal))
                {
                    var readingPeriodSet = new ReadingPeriodSet()
                    {
                        Id = NewId.NextGuid(),
                        ReadingScope = ReadingScopeEnum.All,
                        ReadingSetType = ReadingSetType.ImageReading,
                        IsTakeEffect = ReadingPeriodStatus.TakeEffect,
                        ReadingPeriodName = "Global",
                        TrialId = trialId,

                        EffectOfTime = DateTime.Now,
                        IsGlobal = true,

                    };

                    readingPeriodSet.ReadingPeriodPlanList.Add(new ReadingPeriodPlan()
                    {
                        SubjectVisitId = subjectVisitId,
                        ReadingPeriodSetId = readingPeriodSet.Id,
                    });


                    // 当前访视没有阅片期才添加
                    if (!await _repository.AnyAsync<ReadModule>(x => x.SubjectVisitId == subjectVisitId && x.ReadingSetType == ReadingSetType.ImageReading))
                    {
                        await _repository.AddAsync(new ReadModule()
                        {
                            ReadingPeriodSetId = readingPeriodSet.Id,
                            IsUrgent = subjectVisit.IsUrgent,
                            SubjectVisitId = subjectVisitId,
                            Status = ReadModuleEnum.TaskAllocation,
                            SubjectId = subjectVisit.SubjectId,
                            ModuleName = "Global",// 全局阅片
                            ReadingSetType = ReadingSetType.ImageReading,
                            ModuleType = ModuleTypeEnum.Global,
                            TrialId = subjectVisit.TrialId,
                            VisitNum = subjectVisit.VisitNum,
                        });
                    }


                    await _repository.AddAsync(readingPeriodSet);

                }




               
            }
        }
    }


}
}