using IRaCIS.Application.Interfaces;
using IRaCIS.Application.Contracts;
using IRaCIS.Core.Application.Filter;
using Microsoft.AspNetCore.Mvc;
using IRaCIS.Core.Domain.Share;
using IRaCIS.Core.Application.MediatR.CommandAndQueries;
using Magicodes.ExporterAndImporter.Core;
using Magicodes.ExporterAndImporter.Excel;
using Magicodes.ExporterAndImporter.Excel.AspNetCore;
using IRaCIS.Core.Infrastructure;
using Microsoft.AspNetCore.Authorization;
using IRaCIS.Core.Application.Auth;

namespace IRaCIS.Application.Services
{
    [ApiExplorerSettings(GroupName = "Trial")]
    public class VisitPlanService : BaseService, IVisitPlanService
    {
        private readonly IRepository<VisitStage> _visitStageRepository;
        private readonly IRepository<Trial> _trialRepository;
        private readonly IRepository<SubjectVisit> _subjectVisitRepository;
        private readonly IRepository<VisitPlanInfluenceStudy> _influnceRepository;
        private readonly IRepository<Subject> _subjectRepository;
        private readonly IRepository<VisitPlanInfluenceStat> _visitPlanInfluenceStatRepository;



        public VisitPlanService(IRepository<VisitStage> visitStageRepository, IRepository<Trial> trialRepository, IRepository<SubjectVisit> subjectVisitRepository,
            IRepository<VisitPlanInfluenceStudy> visitPlanInfluenceStudy, IRepository<Subject> subjectRepository, IRepository<VisitPlanInfluenceStat> visitPlanInfluenceStatRepository)
        {
            _visitStageRepository = visitStageRepository;
            _trialRepository = trialRepository;
            _subjectVisitRepository = subjectVisitRepository;
            _influnceRepository = visitPlanInfluenceStudy;
            _visitPlanInfluenceStatRepository = visitPlanInfluenceStatRepository;
            _subjectRepository = subjectRepository;
        }


        ///暂时不用
        /// <summary> 获取项目访视计划</summary>
        [HttpPost]
        public async Task<PageOutput<VisitStageDTO>> GetTrialVisitStageList(VisitPlanQueryDTO param)
        {
            var visitStageQuery = _visitStageRepository.AsQueryable(true).Where(u => u.TrialId == param.TrialId)
                  .WhereIf(!string.IsNullOrWhiteSpace(param.Keyword), t => t.VisitName.Contains(param.Keyword))
                  .ProjectTo<VisitStageDTO>(_mapper.ConfigurationProvider);

            return await visitStageQuery.ToPagedListAsync(param.PageIndex, param.PageSize, "CreateTime", param.Asc);


        }

        /// <summary> 根据项目Id,获取项目访视计划(不分页)[New]</summary>
        [HttpGet("{trialId:guid}")]
        public async Task<VisitPlanView> GetVisitStageList(Guid trialId)
        {
            var query = _visitStageRepository.AsQueryable(true).Where(u => u.TrialId == trialId)
                .ProjectTo<VisitStageDTO>(_mapper.ConfigurationProvider).OrderBy(t => t.VisitNum);
            var list = await query.ToListAsync();
            var trial = (await _repository.FirstOrDefaultAsync<Trial>(t => t.Id == trialId)).IfNullThrowException();

            return new VisitPlanView()
            {
                VisitPlanList = list,
                TimePointsPerPatient = trial.TimePointsPerPatient,
                VisitPlanConfirmed = trial.VisitPlanConfirmed,
                IsHaveFirstGiveMedicineDate = trial.IsHaveFirstGiveMedicineDate,
                //SubjectHasAdded = _subjectVisitRepository.Any(t => t.TrialId == trialId)
            };
        }

        /// <summary>
        /// 获取访视计划下拉框列表
        /// </summary>
        /// <param name="trialId"></param>
        /// <returns></returns>
        [HttpGet("{trialId:guid}")]
        public async Task<IEnumerable<VisitStageSelectDTO>> GetTrialVisitStageSelect(Guid trialId)
        {
            var query = _visitStageRepository.Where(u => u.TrialId == trialId)
                .ProjectTo<VisitStageSelectDTO>(_mapper.ConfigurationProvider).OrderBy(t => t.VisitNum);
            var list = await query.ToListAsync();
            return list;
        }


        /// <summary> 添加或更新访视计划某项</summary>
        [UnitOfWork]
        [HttpPost]
        [Authorize(Policy = IRaCISPolicy.PM_APM)]
        public async Task<IResponseOutput> AddOrUpdateVisitStage(VisitPlanCommand visitPlan)
        {

            if (!await _trialRepository.Where(t => t.Id == visitPlan.TrialId).IgnoreQueryFilters().AnyAsync(t => t.TrialStatusStr == StaticData.TrialState.TrialOngoing || t.TrialStatusStr == StaticData.TrialState.TrialInitializing))
            {
                throw new BusinessValidationFailedException("只有当项目状态为:初始化或进行中时,可以操作。 ");
            }

            var visitPlanList = await _visitStageRepository.Where(t => t.TrialId == visitPlan.TrialId, ignoreQueryFilters: true)
                .Select(t => new { t.Id, t.VisitNum, t.VisitDay }).OrderBy(t => t.VisitNum).ToListAsync();

            //更新的时候,需要排除自己
            if (visitPlan.Id != null)
            {
                visitPlanList = visitPlanList.Where(t => t.Id != visitPlan.Id).ToList();
            }

            if (visitPlanList.Any(t => t.VisitNum < visitPlan.VisitNum))
            {
                //比当前 visitNum小的 visitDay的最大值    还小 不允许添加
                if (visitPlan.VisitDay <= visitPlanList.Where(t => t.VisitNum < visitPlan.VisitNum).Select(t => t.VisitDay).Max())
                {
                    throw new BusinessValidationFailedException("访视计划中,访视号大的访视,其访视间隔也应该比访视号小的访视大。");

                }
            }

            if (visitPlanList.Any(t => t.VisitNum > visitPlan.VisitNum))
            {
                if (visitPlan.VisitDay >= visitPlanList.Where(t => t.VisitNum > visitPlan.VisitNum).Select(t => t.VisitDay).Min())
                {
                    throw new BusinessValidationFailedException("访视计划中,访视号大的计划访视,其访视间隔也应该比访视号小的计划访视大。");
                }
            }

            if (visitPlan.Id == Guid.Empty || visitPlan.Id == null)//add
            {
                var trial = (await _trialRepository.FirstOrDefaultAsync(t => t.Id == visitPlan.TrialId)).IfNullThrowException();


                if (await _visitStageRepository.AnyAsync(t => t.TrialId == visitPlan.TrialId && (t.VisitName == visitPlan.VisitName || t.VisitNum == visitPlan.VisitNum), true))
                {
                    throw new BusinessValidationFailedException("访视计划中已经存在具有项目访视名称或者访视号的计划访视模板。");
                }

                if (await _visitStageRepository.AnyAsync(t => t.TrialId == visitPlan.TrialId && t.IsBaseLine, true) && visitPlan.IsBaseLine)
                {
                    throw new BusinessValidationFailedException("访视计划中已经存在基线。");
                }

                //不用前端传递的值
                visitPlan.BlindName = "B" + ((int)visitPlan.VisitNum * 10).ToString("D3");

                var visitPlanItem = await _visitStageRepository.InsertFromDTOAsync(visitPlan, true);


                return ResponseOutput.Ok(visitPlanItem.Id);
            }

            else//update
            {


                if (await _visitStageRepository.AnyAsync(t => t.TrialId == visitPlan.TrialId && (t.VisitName == visitPlan.VisitName || t.VisitNum == visitPlan.VisitNum) && t.Id != visitPlan.Id, true))
                {
                    throw new BusinessValidationFailedException("访视计划中已经存在具有项目访视名称或者访视号的计划访视模板。");
                }

                if (await _visitStageRepository.AnyAsync(t => t.TrialId == visitPlan.TrialId && t.IsBaseLine && t.Id != visitPlan.Id, true) && visitPlan.IsBaseLine)
                {
                    throw new BusinessValidationFailedException("访视计划中已经存在基线。");
                }

                visitPlan.IsConfirmed = false;
                //不用前端传递的值
                visitPlan.BlindName = "B" + ((int)visitPlan.VisitNum * 10).ToString("D3");
                //返回的是数据库查询的数据
                var stage = await _visitStageRepository.UpdateFromDTOAsync(visitPlan, true);

                if (stage.IsBaseLine && stage.IsBaseLine != visitPlan.IsBaseLine)
                {
                    if (await _repository.Where<SubjectVisit>(t => t.TrialId == visitPlan.TrialId).AnyAsync(v => v.IsBaseLine && v.SubmitState >= SubmitStateEnum.ToSubmit))
                    {
                        throw new BusinessValidationFailedException("有受试者的基线已经上传了影像数据,不允许修改基线访视。");
                    }
                }


                return ResponseOutput.Ok();
            }




        }



        [UnitOfWork]
        [HttpPost("{trialId:guid}")]
        [Authorize(Policy = IRaCISPolicy.PM_APM)]
        public async Task<IResponseOutput> ConfirmTrialVisitPlan(Guid trialId)
        {
            if (!await _trialRepository.AnyAsync(t => t.Id == trialId && (t.TrialStatusStr == StaticData.TrialState.TrialInitializing || t.TrialStatusStr == StaticData.TrialState.TrialOngoing)))
            {
                return ResponseOutput.NotOk("仅仅在项目初始化或者进行中时,才允许修改确认");
            }

            if (!await _visitStageRepository.AnyAsync(t => t.TrialId == trialId && t.IsBaseLine))
            {
                return ResponseOutput.NotOk("没有基线,不允许确认");
            }

            if (!await _trialRepository.AnyAsync(t => t.Id == trialId && t.IsTrialBasicLogicConfirmed && t.IsTrialProcessConfirmed && t.IsTrialUrgentConfirmed))
            {
                return ResponseOutput.NotOk("项目配置未确认,不允许确认访视计划");
            }

            var svList = await _visitStageRepository.Where(t => t.TrialId == trialId).Select(u => new { u.VisitDay, u.IsBaseLine }).ToListAsync();

            if (svList.Min(t => t.VisitDay) != svList.Where(t => t.IsBaseLine).FirstOrDefault()?.VisitDay)
            {
                return ResponseOutput.NotOk("基线VisitDay 不是最小的, 不允许确认");
            }


            //更新项目访视计划状态为已确认  必定生成更新的sql  通过状态改变 触发操作
            //await _trialRepository.UpdatePartialNowNoQueryAsync(trialId, t => new Trial() { VisitPlanConfirmed = true });


            var trial = (await _trialRepository.FirstOrDefaultAsync(t => t.Id == trialId)).IfNullThrowException();

            //确认是否是首次确认
            var initTrialVisitPlanConfirmed = trial.VisitPlanConfirmed;

            trial.VisitPlanConfirmed = true;


            #region 统一给Subject  增加访视任务

            //首次确认时 IsHaveFirstConfirmed都为false  不需要给Subject 加访视
            if (initTrialVisitPlanConfirmed)
            {
                List<SubjectVisit> subjectVisits = new List<SubjectVisit>();

                var addvisitStages = await _visitStageRepository.Where(x => !x.IsHaveFirstConfirmed && x.TrialId == trialId).ToListAsync();

                foreach (var visitPlan in addvisitStages)
                {

                    var subjectSVS = await _subjectVisitRepository.Where(t => t.TrialId == visitPlan.TrialId).Select(t => new { t.SubjectId, t.SiteId, t.IsFinalVisit }).Distinct().ToListAsync();

                    var subjectList = subjectSVS.Select(t => new { t.SubjectId, t.SiteId }).Distinct().ToList();

                    foreach (var subject in subjectList)
                    {

                        var svItem = _mapper.Map<SubjectVisit>(visitPlan);
                        svItem.SiteId = subject.SiteId;
                        svItem.SubjectId = subject.SubjectId;

                        //设置了末次访视,那么加访视计划的时候,设置为不可用
                        if (subjectSVS.Any(t => t.SubjectId == svItem.SubjectId && t.IsFinalVisit))
                        {
                            svItem.VisitExecuted = VisitExecutedEnum.Unavailable;
                        }

                        //再加一层保险,防止重复
                        if (!await _subjectVisitRepository.AnyAsync(t => t.VisitStageId == visitPlan.Id && t.SubjectId == subject.SubjectId))
                        {
                            await _subjectVisitRepository.AddAsync(svItem);

                        }
                    }


                }

                await _subjectVisitRepository.AddRangeAsync(subjectVisits);
            }


            #endregion




            #region 访视计划修改 影响检查

            //找到访视计划修改的Item
            var changedList = await _visitStageRepository.Where(t => t.TrialId == trial.Id && t.IsConfirmed == false)
                .Select(t => new
                {
                    t.Trial.IsHaveFirstGiveMedicineDate,
                    t.Id,
                    t.VisitName,
                    t.TrialId,
                    t.VisitWindowLeft,
                    t.VisitWindowRight,
                    t.VisitDay,
                    t.VisitNum,
                    t.IsBaseLine,
                    t.BlindName,

                    t.Description,
                    IsConfirmed = true,
                }).ToListAsync();

            var visitPlanInfluenceStat = new VisitPlanInfluenceStat() { TrialId = trial.Id };

            foreach (var changedItem in changedList)
            {
                //找到该项目 访视已经执行,并且配置了有首次给药日期 并且更新后超窗的访视,要把超窗之前的值也要查询出来
                var qcPassedVisitList = await _subjectVisitRepository.Where(t => t.TrialId == trialId
                                                && t.VisitExecuted == VisitExecutedEnum.Executed
                                                && t.AuditState == AuditStateEnum.QCPassed
                                                && t.Trial.IsHaveFirstGiveMedicineDate == true
                                                && t.VisitStageId == changedItem.Id
                                                && t.Subject.FirstGiveMedicineTime != null
                                                 ).Select(k => new
                                                 {
                                                     SubjectVisitId = k.Id,
                                                     SelfWindowLeft = k.Subject.FirstGiveMedicineTime!.Value.AddDays(k.VisitDay + k.VisitWindowLeft),
                                                     SelfWindowRight = k.Subject.FirstGiveMedicineTime!.Value.AddDays(k.VisitDay + k.VisitWindowRight + 1).AddSeconds(-1),

                                                     NowWindowLeft = k.Subject.FirstGiveMedicineTime!.Value.AddDays(changedItem.VisitDay + changedItem.VisitWindowLeft),
                                                     NowWindowRight = k.Subject.FirstGiveMedicineTime!.Value.AddDays(changedItem.VisitDay + changedItem.VisitWindowRight + 1).AddSeconds(-1),

                                                     NoneDicomStudyList =
                                                     k.NoneDicomStudyList  //之前是查询调整之后超窗的  现在调整前超窗  调整后 没超窗的也要记录
                                                                           //.Where(study => study.ImageDate <k.Subject.FirstGiveMedicineTime.Value.AddDays(changedItem.VisitDay + changedItem.VisitWindowLeft??0)
                                                                           //|| study.ImageDate >k.Subject.FirstGiveMedicineTime.Value.AddDays(changedItem.VisitDay + changedItem.VisitWindowRight??0 + 1).AddSeconds(-1))
                                                     .Select(t => new { NoneDicomStudyId = t.Id, t.Modality, StudyTime = t.ImageDate }),


                                                     DicomStudyList = k.StudyList
                                                     //.Where(study => study.StudyTime <k.Subject.FirstGiveMedicineTime.Value.AddDays(changedItem.VisitDay + changedItem.VisitWindowLeft??0)
                                                     // || study.StudyTime >k.Subject.FirstGiveMedicineTime.Value.AddDays(changedItem.VisitDay + changedItem.VisitWindowRight??0 + 1).AddSeconds(-1))
                                                     .Select(t => new { StudyId = t.Id, Modality = t.Modalities, t.StudyTime })

                                                 }).ToListAsync();


                foreach (var visit in qcPassedVisitList)
                {
                    //找到本身没有超窗的数据 修改后超窗的
                    visit.DicomStudyList.Where(t => (t.StudyTime > visit.SelfWindowLeft && t.StudyTime < visit.SelfWindowRight) && (t.StudyTime < visit.NowWindowLeft || t.StudyTime > visit.NowWindowRight)).ForEach(t =>
                    {
                        visitPlanInfluenceStat.InconsistentCount++;
                        visitPlanInfluenceStat.InfluenceStudyList.Add(new VisitPlanInfluenceStudy()
                        {
                            IsOverWindowNowNotOverWindow = false,
                            Modality = t.Modality,
                            SubjectVisitId = visit.SubjectVisitId,
                            StudyId = t.StudyId,
                            IsDicomStudy = true,
                            StudyTime = t.StudyTime,
                            TrialId = trialId,
                            HistoryWindow = visit.SelfWindowLeft.ToString("yyyy-MM-dd") + " ~ " + visit.SelfWindowRight.ToString("yyyy-MM-dd"),
                            NowWindow = visit.NowWindowLeft.ToString("yyyy-MM-dd") + " ~ " + visit.NowWindowRight.ToString("yyyy-MM-dd")

                        });

                    });

                    visit.NoneDicomStudyList.Where(t => (t.StudyTime > visit.SelfWindowLeft && t.StudyTime < visit.SelfWindowRight) && (t.StudyTime < visit.NowWindowLeft || t.StudyTime > visit.NowWindowRight)).ForEach(t =>
                    {
                        visitPlanInfluenceStat.InconsistentCount++;
                        visitPlanInfluenceStat.InfluenceStudyList.Add(new VisitPlanInfluenceStudy()
                        {
                            IsOverWindowNowNotOverWindow = false,
                            Modality = t.Modality,
                            SubjectVisitId = visit.SubjectVisitId,
                            StudyId = t.NoneDicomStudyId,
                            IsDicomStudy = false,
                            StudyTime = t.StudyTime,
                            TrialId = trialId,
                            HistoryWindow = visit.SelfWindowLeft.ToString("yyyy-MM-dd") + " ~ " + visit.SelfWindowRight.ToString("yyyy-MM-dd"),
                            NowWindow = visit.NowWindowLeft.ToString("yyyy-MM-dd") + " ~ " + visit.NowWindowRight.ToString("yyyy-MM-dd")

                        });
                    });

                    //本身超窗  修改后没超窗的
                    visit.DicomStudyList.Where(t => (t.StudyTime < visit.SelfWindowLeft || t.StudyTime > visit.SelfWindowRight) && (t.StudyTime > visit.NowWindowLeft && t.StudyTime < visit.NowWindowRight)).ForEach(t =>
                    {
                        visitPlanInfluenceStat.InconsistentCount++;
                        visitPlanInfluenceStat.InfluenceStudyList.Add(new VisitPlanInfluenceStudy()
                        {
                            IsOverWindowNowNotOverWindow = true,
                            Modality = t.Modality,
                            SubjectVisitId = visit.SubjectVisitId,
                            StudyId = t.StudyId,
                            IsDicomStudy = true,
                            StudyTime = t.StudyTime,
                            TrialId = trialId,
                            HistoryWindow = visit.SelfWindowLeft.ToString("yyyy-MM-dd") + " ~ " + visit.SelfWindowRight.ToString("yyyy-MM-dd"),
                            NowWindow = visit.NowWindowLeft.ToString("yyyy-MM-dd") + " ~ " + visit.NowWindowRight.ToString("yyyy-MM-dd")

                        });
                    });

                    visit.NoneDicomStudyList.Where(t => (t.StudyTime < visit.SelfWindowLeft || t.StudyTime > visit.SelfWindowRight) && (t.StudyTime > visit.NowWindowLeft && t.StudyTime < visit.NowWindowRight)).ForEach(t =>
                    {
                        visitPlanInfluenceStat.InconsistentCount++;
                        visitPlanInfluenceStat.InfluenceStudyList.Add(new VisitPlanInfluenceStudy()
                        {
                            IsOverWindowNowNotOverWindow = true,
                            Modality = t.Modality,
                            SubjectVisitId = visit.SubjectVisitId,
                            StudyId = t.NoneDicomStudyId,
                            IsDicomStudy = false,
                            StudyTime = t.StudyTime,
                            TrialId = trialId,
                            HistoryWindow = visit.SelfWindowLeft.ToString("yyyy-MM-dd") + " ~ " + visit.SelfWindowRight.ToString("yyyy-MM-dd"),
                            NowWindow = visit.NowWindowLeft.ToString("yyyy-MM-dd") + " ~ " + visit.NowWindowRight.ToString("yyyy-MM-dd")

                        });
                    });

                }



                //变更某一访视计划Item  受试者访视相关字段
                await _subjectVisitRepository.BatchUpdateNoTrackingAsync(t => t.TrialId == trialId && t.VisitStageId == changedItem.Id, k => new SubjectVisit()
                {
                    IsBaseLine = changedItem.IsBaseLine,
                    VisitName = changedItem.VisitName,
                    VisitNum = changedItem.VisitNum,
                    VisitDay = changedItem.VisitDay,
                    VisitWindowLeft = changedItem.VisitWindowLeft,
                    VisitWindowRight = changedItem.VisitWindowRight
                });
            }


            await _visitPlanInfluenceStatRepository.AddAsync(visitPlanInfluenceStat, true);

            #endregion



            //访视计划 整体状态变更为 确认
            await _visitStageRepository.UpdatePartialFromQueryAsync(u => u.TrialId == trialId && u.IsConfirmed == false, t => new VisitStage() { IsConfirmed = true, IsHaveFirstConfirmed = true });

            await _visitStageRepository.SaveChangesAsync();
            return ResponseOutput.Ok();

        }




        [HttpGet("{trialId:guid}")]
        public async Task<List<VisitPlanInfluenceSubjectVisitStatDTO>> GetInfluenceHistoryList(Guid trialId, [FromServices] IRepository<VisitPlanInfluenceStat> _influnceStatRepository)
        {
            var list = await _influnceStatRepository.Where(t => t.TrialId == trialId).ProjectTo<VisitPlanInfluenceSubjectVisitStatDTO>(_mapper.ConfigurationProvider).OrderByDescending(t => t.CreateTime).ToListAsync();

            return list;
        }

        [HttpGet("{visitPlanInfluenceStatId:guid}")]
        public async Task<IActionResult> DownloadInflunceStudyList(Guid visitPlanInfluenceStatId)
        {
            var list = _influnceRepository.Where(t => t.VisitPlanInfluenceStatId == visitPlanInfluenceStatId)
                .ProjectTo<VisitPlanInfluenceSubjectVisitDTO>(_mapper.ConfigurationProvider).ToList();

            IExporter exporter = new ExcelExporter();

            var result = await exporter.ExportAsByteArray(list);

            return new XlsxFileResult(bytes: result, fileDownloadName: $"检查导出_{DateTime.Now.ToString("yyyy-MM-dd:hh:mm:ss")}.xlsx");


        }




        /// <summary> 删除项目计划某一项 废弃  </summary>
        [HttpDelete("{id:guid}/{trialId:guid}")]
        [TrialAudit(AuditType.TrialAudit, AuditOptType.DeleteTrialVisitPlanItem)]
        [TypeFilter(typeof(TrialResourceFilter))]
        [Obsolete]
        public async Task<IResponseOutput> DeleteVisitStage(Guid id)
        {

            var visitPlan = await _visitStageRepository.FirstOrDefaultAsync(t => t.Id == id);
            if (visitPlan == null) return Null404NotFound(visitPlan);
            if (await _repository.AnyAsync<SubjectVisit>(t => t.VisitName == visitPlan.VisitName && t.TrialId == visitPlan.TrialId && t.VisitExecuted == VisitExecutedEnum.Executed))
            {
                return ResponseOutput.NotOk("The visit plan has been assigned to the subjects and executed.");
            }

            await _repository.BatchDeleteAsync<SubjectVisit>(t => t.TrialId == visitPlan.TrialId && t.VisitName == visitPlan.VisitName);

            var result = await _visitStageRepository.BatchDeleteNoTrackingAsync(u => u.Id == id);

            return ResponseOutput.Result(result);
        }


    }
}