using IRaCIS.Application.Interfaces;
using IRaCIS.Application.ViewModels;
using IRaCIS.Core.Application.Contracts.RequestAndResponse;
using IRaCIS.Core.Domain.Interfaces;
using System.Linq;
using IRaCIS.Core.Domain.Share.AuthUser;
using IRaCIS.Application.ExpressionExtend;
using IRaCIS.Core.Domain.Models;
using System.Linq.Expressions;
using System;
using IRaCIS.Infra.Data.ExpressionExtend;

namespace IRaCIS.Core.Application.ReviewerReading
{
    public class ReadingService : IReviewerReadingService
    {
        private readonly IWorkloadTPRepository _workloadTPRepository;
        private readonly IWorkloadGlobalRepository _workloadGlobalRepository;
        private readonly IWorkloadADRepository _workloadADRepository;
        private readonly ITrialRepository _trialRepository;
        private readonly ITrialDictionaryRepository _trialDictionaryRepository;
        private readonly IDictionaryRepository _dictionaryRepository;
        private readonly ISubjectRepository _subjectRepository;
        private readonly ISubjectVisitRepository _subjectVisitRepository;
        private readonly IUserInfo _userInfo;
        public ReadingService(IWorkloadTPRepository workloadTPRepository,
            IWorkloadGlobalRepository workloadGlobalRepository,
            IWorkloadADRepository workloadADRepository,
            ITrialRepository trialRepository,
            ITrialDictionaryRepository trialDictionaryRepository,
            IDictionaryRepository dictionaryRepository,
            ISubjectRepository subjectRepository,
            ISubjectVisitRepository subjectVisitRepository,
            IUserInfo userInfo)
        {
            _workloadTPRepository = workloadTPRepository;
            _workloadGlobalRepository = workloadGlobalRepository;
            _workloadADRepository = workloadADRepository;
            _trialRepository = trialRepository;
            _trialDictionaryRepository = trialDictionaryRepository;
            _dictionaryRepository = dictionaryRepository;
            _subjectRepository = subjectRepository;
            _subjectVisitRepository = subjectVisitRepository;
            _userInfo = userInfo;
        }
        public PageOutput<WorkloadReadingDTO> GetWorkloadList(WorkloadQueryParam param)
        {

            IQueryable<WorkloadReadingDTO> query = null;
            Expression<Func<Subject, bool>> subjectLambda = x => true;
            if (param.SubjectCode != string.Empty)
            {
                subjectLambda = subjectLambda.And(o => o.Code.Contains(param.SubjectCode));
            }
            Expression<Func<Domain.Models.Trial, bool>> trialLambda = x => true;
            if (param.Expedited != null)
            {
                trialLambda = trialLambda.And(o => o.Expedited == param.Expedited);
            }
            if (param.TrialId != null && param.TrialId != Guid.Empty)
            {
                trialLambda = trialLambda.And(o => o.Id == param.TrialId);
            }


            if (param.WorkloadType == 1)// TP
            {
                Expression<Func<WorkloadTP, bool>> workloadLambda = x => true;
                workloadLambda = workloadLambda.And(u => u.ReviewerId == _userInfo.Id);
                if (param.Status != null)
                {
                    if (param.Status == 30)//30 的时候，待读和正在读（未提交的）
                    {
                        workloadLambda = workloadLambda.And(o => o.Status == 30 || o.Status == 40);
                    }
                    else
                        workloadLambda = workloadLambda.And(o => o.Status == param.Status);
                }
                query = from tp in _workloadTPRepository.Find(workloadLambda)
                        join trial in _trialRepository.GetAll().Where(trialLambda) on tp.TrialId equals trial.Id
                        join subject in _subjectRepository.GetAll().Where(subjectLambda) on tp.SubjectId equals subject.Id
                        join visit in _subjectVisitRepository.GetAll() on tp.SubjectVisitId equals visit.Id
                        select new WorkloadReadingDTO
                        {
                            Id = tp.Id,
                            StudyId = tp.StudyId,
                            WorkloadId = tp.Id,
                            WorkloadType = 1,
                            Status = tp.Status,
                            UpdateTime = tp.UpdateTime,
                            TrialId = tp.TrialId,
                            SubjectId = tp.SubjectId,
                            SubjectCode = subject.Code,
                            VisitNum = visit.VisitNum,
                            VisitName = visit.VisitName,
                            Expedited = trial.Expedited,
                            TrialCode = trial.Code,
                            TrialIndication = trial.Indication,
                            WorkloadCode = tp.TimepointCode
                        };
            }
            else if (param.WorkloadType == 2)//Global
            {
                Expression<Func<WorkloadGlobal, bool>> workloadLambda = x => true;
                workloadLambda = workloadLambda.And(u => u.ReviewerId == _userInfo.Id);
                if (param.Status != null)
                {
                    if (param.Status == 30)
                    {
                        workloadLambda = workloadLambda.And(o => o.Status == 30 || o.Status == 40);
                    }
                    else
                        workloadLambda = workloadLambda.And(o => o.Status == param.Status);
                }
                query = from global in _workloadGlobalRepository.Find(workloadLambda)
                        join trial in _trialRepository.GetAll().Where(trialLambda) on global.TrialId equals trial.Id
                        join subject in _subjectRepository.GetAll().Where(subjectLambda) on global.SubjectId equals subject.Id
                        //join visit in _subjectVisitRepository.GetAll() on global.VisitId equals visit.Id
                        select new WorkloadReadingDTO
                        {
                            Id = global.Id,
                            WorkloadId = global.Id,
                            WorkloadType = 1,
                            Status = global.Status,
                            UpdateTime = global.UpdateTime,
                            TrialId = global.TrialId,
                            SubjectId = global.SubjectId,
                            SubjectCode = subject.Code,
                            //VisitNum = visit.VisitNum,
                            //VisitName = visit.VisitName,
                            VisitNum = global.VisitNum,
                            VisitName = global.VisitName,
                            
                            Expedited = trial.Expedited,
                            TrialCode = trial.Code,
                            TrialIndication = trial.Indication,
                            WorkloadCode = global.GlobalCode
                        };
            }
            else if (param.WorkloadType == 3)//AD
            {
                Expression<Func<WorkloadAD, bool>> workloadLambda = x => true;
                workloadLambda = workloadLambda.And(u => u.ReviewerId == _userInfo.Id);
                if (param.Status != null)
                {
                    if (param.Status == 30)//30 的时候，待读和正在读（未提交的）
                    {
                        workloadLambda = workloadLambda.And(o => o.Status == 30 || o.Status == 40);
                    }
                    else
                        workloadLambda = workloadLambda.And(o => o.Status == param.Status);
                }
                query = from ad in _workloadADRepository.Find(workloadLambda)
                        join trial in _trialRepository.GetAll().Where(trialLambda) on ad.TrialId equals trial.Id
                        join subject in _subjectRepository.GetAll().Where(subjectLambda) on ad.SubjectId equals subject.Id
                        //join visit in _subjectVisitRepository.GetAll() on ad.visi equals visit.Id
                        select new WorkloadReadingDTO
                        {
                            Id = ad.Id,
                            WorkloadId = ad.Id,
                            WorkloadType = 1,
                            Status = ad.Status,
                            UpdateTime = ad.UpdateTime,
                            TrialId = ad.TrialId,
                            SubjectId = ad.SubjectId,
                            SubjectCode = subject.Code,
                            //VisitNum = visit.VisitNum,
                            //VisitName = visit.VisitName,
                            Expedited = trial.Expedited,
                            TrialCode = trial.Code,
                            TrialIndication = trial.Indication,
                            WorkloadCode = ad.ADCode
                        };
            }
            query.OrderByDescending(u => u.UpdateTime);
            var count = query.Count();
            query = query.Skip((param.PageIndex - 1) * param.PageSize).Take(param.PageSize);
            return new PageOutput<WorkloadReadingDTO>(param.PageIndex,
                param.PageSize, count, query.ToList());
        }
    }
}