using IRaCIS.Core.Infrastructure.ExpressionExtend;
using IRaCIS.Core.Application.Filter;

using Microsoft.AspNetCore.Mvc;
using IRaCIS.Core.Application.Contracts.Dicom.DTO;
using Microsoft.AspNetCore.Authorization;
using IRaCIS.Core.Domain.Share;
using IRaCIS.Core.Application.Contracts;
using IRaCIS.Core.Application.Interfaces;
using IRaCIS.Core.Infrastructure;
using IRaCIS.Core.Application.Auth;

namespace IRaCIS.Core.Application.Services
{
    [ApiExplorerSettings(GroupName = "Trial")]
    public class SubjectVisitService : BaseService, ISubjectVisitService
    {
        private readonly IRepository<SubjectVisit> _subjectVisitRepository;
        private readonly IRepository<Subject> _subjectRepository;

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

        [HttpPost]
        [TypeFilter(typeof(TrialResourceFilter))]
        [UnitOfWork]
        [Authorize(Policy = IRaCISPolicy.CRC)]
        public async Task<IResponseOutput<string>> AddOrUpdateSV(SubjectVisitCommand svCommand)
        {

            var verifyExp1 = new EntityVerifyExp<SubjectVisit>()
            {
                VerifyExp = t => t.VisitNum == svCommand.VisitNum && t.SubjectId == svCommand.SubjectId,
                VerifyMsg = "该受试者的访视计划中已经包含一个具有相同访视号的访视。"
            };

            var verifyExp2 = new EntityVerifyExp<SubjectVisit>()
            {
                VerifyExp = t => t.SubjectId == svCommand.SubjectId && t.IsFinalVisit,
                VerifyMsg = "该受试者已经有访视设置为末次访视，不允许将当前访视设置为末次访视。",
                IsVerify = svCommand.IsFinalVisit
            };


            svCommand.BlindName = "B" + ((int)(svCommand.VisitNum * 10)).ToString("D3");
            svCommand.VisitExecuted = svCommand.IsLostVisit ? VisitExecutedEnum.Executed : svCommand.VisitExecuted;


            SubjectVisit? dbBeforeEntity = null;
            //Add
            if (svCommand.Id == null)
            {

                //设置末次评估后，不允许添加计划外访视
                if (svCommand.InPlan == false)
                {
                    if (await _subjectVisitRepository.AnyAsync(t => t.SubjectId == svCommand.SubjectId && t.IsFinalVisit))
                    {
                        throw new BusinessValidationFailedException("设置末次评估后，不允许添加计划外访视。");
                    }
                }

                dbBeforeEntity = await _subjectVisitRepository.InsertFromDTOAsync(svCommand, false, verifyExp1, verifyExp2);
            }

            else
            {
                dbBeforeEntity = await _subjectVisitRepository.UpdateFromDTOAsync(svCommand, false, false, verifyExp1, verifyExp2);

                if (svCommand.PDState != dbBeforeEntity.PDState && dbBeforeEntity.SubmitState == SubmitStateEnum.Submitted)
                {
                    throw new BusinessValidationFailedException("当前访视影像提交后，不允许修改PD确认状态。");
                }

                if (svCommand.PDState != dbBeforeEntity.PDState && dbBeforeEntity.RequestBackState == RequestBackStateEnum.PM_AgressBack)
                {
                    throw new BusinessValidationFailedException("当前访视为回退的访视，不允许修改PD确认状态。");
                }

                if (svCommand.IsLostVisit)
                {
                    if (await _subjectVisitRepository.AnyAsync(t => t.Id == svCommand.Id && t.SubmitState == SubmitStateEnum.ToSubmit))
                    {
                        throw new BusinessValidationFailedException("当前访视已经有有影像上传，不允许设置为失访。");
                    }
                }
            }


            //更新受试者 访视基准日期 是否入组确认
            if (svCommand.SubjectFirstGiveMedicineTime != null && svCommand.IsBaseLine)
            {

                await _subjectRepository.UpdatePartialFromQueryAsync(svCommand.SubjectId, t => new Subject()
                {
                    FirstGiveMedicineTime = svCommand.SubjectFirstGiveMedicineTime
                });

            }


            await _subjectVisitRepository.SaveChangesAsync();

            return ResponseOutput.Ok(dbBeforeEntity.Id.ToString());


        }




        [HttpPut("{trialId:guid}/{subjectVisitId:guid}/{isUrgent:bool}")]
        [TypeFilter(typeof(TrialResourceFilter))]
        [Authorize(Policy = IRaCISPolicy.PM_IQC)]
        public async Task<IResponseOutput> SetSubjectVisitUrgent(Guid subjectVisitId, bool isUrgent)
        {
            await _subjectVisitRepository.UpdatePartialFromQueryAsync(subjectVisitId, u => new SubjectVisit() { IsUrgent = isUrgent },true);

            return ResponseOutput.Ok();
        }



        [HttpDelete, Route("{trialId:guid}/{id:guid}")]
        [TypeFilter(typeof(TrialResourceFilter))]
        [Authorize(Policy = IRaCISPolicy.CRC)]
        public async Task<IResponseOutput> DeleteSV(Guid id)
        {
            if (await _repository.AnyAsync<DicomStudy>(t => t.SubjectVisitId == id))
            {
                return ResponseOutput.NotOk("当前访视已经有影像上传，不允许删除。");
            }
            if (await _subjectVisitRepository.AnyAsync(t => t.Id == id && t.InPlan))
            {
                return ResponseOutput.NotOk("计划内的访视不允许删除。");
            }
            if (await _subjectVisitRepository.AnyAsync(t => t.OutPlanPreviousVisitId == id))
            {
                return ResponseOutput.NotOk("当前访视已经被设置为另一访视的上一访视，不允许删除。");
            }

            await _subjectVisitRepository.DeleteFromQueryAsync(s => s.Id == id,true);
            
            return ResponseOutput.Ok();
        }



        /// <summary>
        /// 获取访视下的Dicom 检查信息   分所有的， 阅片的 不阅片   isReading : 0 查询所有 1 查询仅仅阅片的
        /// </summary>
        /// <param name="trialId"></param>
        /// <param name="sujectVisitId"></param>
        /// <param name="isReading"></param>
        /// <returns></returns>
        [HttpGet, Route("{trialId:guid}/{sujectVisitId:guid}/{isReading}")]
        [AllowAnonymous]
        public async Task<List<VisitStudyDTO>> GetVisitStudyList(Guid trialId, Guid sujectVisitId, int isReading)
        {
            var studyList = await _repository.Where<DicomStudy>(t => t.TrialId == trialId && t.SubjectVisitId == sujectVisitId).Select(k => new VisitStudyDTO()
            {
                InstanceCount = k.InstanceCount,
                Modalities = k.Modalities,
                SeriesCount = k.SeriesCount,
                StudyCode = k.StudyCode,
                StudyId = k.Id
            }).ToListAsync();
            var studyIds = studyList.Select(t => t.StudyId).ToList();

            var instanceList = await _repository.Where<DicomInstance>(t => studyIds.Contains(t.StudyId))
                   .Select(t => new { t.SeriesId, t.Id, t.InstanceNumber }).ToListAsync();

            foreach (var t in studyList)
            {
                t.SeriesList = await _repository.Where<DicomSeries>(s => s.StudyId == t.StudyId)
               .WhereIf(isReading == 1, s => s.IsReading).OrderBy(s => s.SeriesNumber).
               ThenBy(s => s.SeriesTime)
               .ProjectTo<DicomSeriesDTO>(_mapper.ConfigurationProvider).ToListAsync();


                t.SeriesList.ForEach(series => series.InstanceList = instanceList.Where(t => t.SeriesId == series.Id).OrderBy(t => t.InstanceNumber).Select(k => k.Id).ToList());

                //设置为阅片与否 不更改数据库检查  的instance数量 和 SeriesCount  所以这里要实时统计
                t.SeriesCount = t.SeriesList.Count();
                t.InstanceCount = t.SeriesList.SelectMany(t => t.InstanceList).Count();
            }




            return studyList;

            //return ResponseOutput.Ok(studyList.Where(t => t.SeriesList.Count > 0).ToList());

        }



        /// <summary>
        /// 设置受试者访视已执行  也就是将studyUploaded状态置为true  为了那些没有影像 人工设置准备
        /// </summary>
        /// <param name="subjectVisitId"></param>
        /// <returns></returns>
        [HttpPut("{trialId:guid}/{subjectVisitId:guid}")]
        [TypeFilter(typeof(TrialResourceFilter))]
        [Obsolete]
        public async Task<IResponseOutput> SetSVExecuted(Guid subjectVisitId)
        {
            await _subjectVisitRepository.UpdatePartialFromQueryAsync(subjectVisitId, u => new SubjectVisit() { VisitExecuted = VisitExecutedEnum.Executed }, true);
            return ResponseOutput.Ok();
        }
    }
}