package edu.nju.service;

import edu.nju.dao.*;
import edu.nju.entities.*;
import edu.nju.model.JobJsonDTO;
import edu.nju.model.MessageVO;
import edu.nju.model.ReviewPaperVO;
import org.json.JSONArray;
import org.json.JSONObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestParam;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import static edu.nju.util.HTTP.readStringFromUrl;

@Service
public class ReviewJobService {

    @Autowired
    ReviewJobDao jobDao;
    @Autowired
    ReviewGroupDao groupDao;
    @Autowired
    ReviewReportDao reportDao;
    @Autowired
    ReviewWorkerDao reviewWorkerDao;
    @Autowired
    ReviewPaperService reviewPaperService;
    @Autowired
    CrowdSourceToReviewPaperDao crowdSourceToReviewPaperDao;

    public ReviewJob getJob(String job_id){
        return jobDao.findJob(job_id);
    }

    public List<ReviewJob> getJobs(){
        return jobDao.findJobs();
    }

    public JSONObject uploadJob(String jobId,String examId,String caseId,String name, String description, String paperId, String startTime, String endTime,int singleTime,int totalWorkload, List<String>workerList, String workerDistribution,int maxWorker){
        JSONObject jsonObject=new JSONObject();
        String checkResult=checkJobDistribution(workerDistribution);
        if(!checkResult.equals("success")){
            jsonObject.put("status","fail");
            jsonObject.put("message",checkResult);
            return jsonObject;
        }
        if(jobId.equals("")) {
            ReviewJob newReviewJob = new ReviewJob(examId, caseId, name, description, Long.toString(System.currentTimeMillis()), paperId, startTime, endTime, singleTime,totalWorkload,"", maxWorker);
            jobId = jobDao.save(newReviewJob);
        }
        if(workerDistribution.equals("")||workerDistribution.equals("[]")){
            List<String>workerIds=new ArrayList<>();
            for(int i=0;i<workerList.size();i++){
                String workerIndex=workerList.get(i);
                String workerId=reviewWorkerDao.save(new ReviewWorker(workerIndex,paperId,"",jobId));
                workerIds.add(workerId);
            }
            List<ReviewReport>reviewReports=reportDao.getReportsByPaperId(paperId);
            List<String>reportIds=new ArrayList<>();
            List<String>paperOriginalIds=new ArrayList<>();
            List<String>originalIds=new ArrayList<>();
            for(int i=0;i<reviewReports.size();i++) {
                ReviewReport reviewReport=reviewReports.get(i);
                reportIds.add(reviewReport.getId());
                originalIds.add(reviewReport.getOriginal_id());
                paperOriginalIds.add(paperId+"-"+reviewReport.getOriginal_id());
            }
            groupDao.save(new ReviewGroup("default","",workerIds,jobId,reportIds,paperOriginalIds,originalIds));
            System.out.println("job存储成功");
        }
        else {
            saveJobDistribution(workerDistribution, jobId);
        }
        jsonObject.put("status","success");
        jsonObject.put("jobId",jobId);
        return jsonObject;
    }

    private String checkJobDistribution(String workerDistribution){
        try {
            if(workerDistribution.equals("")||workerDistribution.equals("[]")){
                return  "success";
            }
            JSONArray jsonArray=new JSONArray(workerDistribution);
            for(int i=0;i<jsonArray.length();i++){
                JSONObject jsonObject=jsonArray.getJSONObject(i);
                String name=jsonObject.getString("name");
                String desciption=jsonObject.getString("description");
                JSONArray jsonArray1=jsonObject.getJSONArray("worker");
                JSONArray jsonArray2=jsonObject.getJSONArray("report");
            }
        }catch (Exception e){
            return "分配信息不正确："+e.getMessage();
        }
        return "success";
    }

    private void saveJobDistribution(String workerDistribution,String jobId){
        String paperId=jobDao.findJob(jobId).getPaper_id();
        JSONArray jsonArray=new JSONArray(workerDistribution);
        for(int i=0;i<jsonArray.length();i++){
            JSONObject jsonObject=jsonArray.getJSONObject(i);
            String name=jsonObject.getString("name");
            String desciption=jsonObject.getString("description");
            JSONArray jsonArray1=jsonObject.getJSONArray("worker");
            List<String>workerIds=new ArrayList<>();
            for(int j=0;j<jsonArray1.length();j++){
                workerIds.add(String.valueOf(jsonArray1.get(j)));
            }
            JSONArray jsonArray2=jsonObject.getJSONArray("report");
            List<String>reportIds=new ArrayList<>();
            List<String>paperOriginalIds=new ArrayList<>();
            List<String>originalIds=new ArrayList<>();
            for(int j=0;j<jsonArray2.length();j++){
                String originalId=String.valueOf(jsonArray2.get(j));
                String paperOriginalId=paperId+"-"+originalId;
                String reportId=reportDao.findReportByPaperOriginalId(paperId,originalId).getId();
                paperOriginalIds.add(paperOriginalId);
                reportIds.add(reportId);
                originalIds.add(originalId);
            }
            groupDao.save(new ReviewGroup(name,desciption,workerIds,jobId,reportIds,paperOriginalIds,originalIds));
        }
    }

    public MessageVO uploadJobByJson(JobJsonDTO jobJsonDTO){
        String jobName=jobJsonDTO.getJob_name();
        String jobDescription=jobJsonDTO.getJob_description();
        String startTime=jobJsonDTO.getStart_time();
        String endTime=jobJsonDTO.getEnd_time();
        String examId=jobJsonDTO.getExamId();
        String caseId=jobJsonDTO.getCaseId();
        JSONArray workerList_Array=new JSONArray(jobJsonDTO.getWorker_list());
        String paperUrl=jobJsonDTO.getPaperUrl();
        List<String>workerList=new ArrayList<>();
        for(int i=0;i<workerList_Array.length();i++){
            workerList.add(String.valueOf(workerList_Array.get(i)));
        }
        MessageVO messageVO=new MessageVO();

        ReviewJob reviewJob=findJobByExamCase(examId,caseId);
        JSONObject jsonObject=null;
        try {
            if(reviewJob!=null){
                reviewPaperService.delPaper(reviewJob.getPaper_id());
            }
            String paperJson=readStringFromUrl(paperUrl);
            JSONObject paperResult=reviewPaperService.uploadPaper(paperJson);
            System.out.println("paperJson拉成功");
            if(!paperResult.getString("status").equals("success")) {
                messageVO.setStatus("500");
                messageVO.setMessage("创建paper失败");
                return messageVO;
            }
            String paperId=paperResult.getString("paperId");
            //是众测考试的话存对应的众测考试id
            if (examId!=null&&(!examId.equals(""))){
                crowdSourceToReviewPaperDao.save(new CrowdSourceToReviewPaper(paperId,examId+"-"+caseId,paperUrl));
            }

            if(reviewJob==null) {
                jsonObject = uploadJob("", examId, caseId, jobName, jobDescription, paperId, startTime, endTime, 0, 0, workerList, "", 0);
            }
            else{
                reviewPaperService.delPaper(reviewJob.getPaper_id());
                jsonObject = updateJob(reviewJob.getId(), jobName,jobDescription,paperId,startTime,endTime,0, 0, workerList, "", 0);
            }
            // groupDao.save(new ReviewGroup("default","",workerList,jobId,reportIds));
            if(jsonObject.getString("status").equals("success")) {
                messageVO.setStatus("200");
                messageVO.setMessage(jsonObject.getString("jobId"));
            }
            else{
                messageVO.setStatus("500");
                messageVO.setMessage(jsonObject.getString("message"));
            }
        } catch (IOException e) {
            messageVO.setStatus("500");
            messageVO.setMessage(e.getMessage());
        }
        return messageVO;
    }

    public JSONObject updateJob(String jobId,String name, String description, String paperId,String startTime, String endTime,int singleTime, int totalWorkload,List<String>workerList,String workerDistribution,int maxWorker){
        ReviewJob reviewJob=jobDao.findJob(jobId);
        reviewJob.setName(name);
        reviewJob.setDescription(description);
        reviewJob.setStart_time(startTime);
        reviewJob.setEnd_time(endTime);
        reviewJob.setMax_worker(maxWorker);
        reviewJob.setPaper_id(paperId);
        jobDao.save(reviewJob);
        groupDao.removeByJob(jobId);
        reviewWorkerDao.removeByJob(jobId);
        JSONObject jsonObject1=uploadJob(jobId,"","",name,description,paperId,startTime,endTime,singleTime,totalWorkload,workerList,workerDistribution,maxWorker);
        return jsonObject1;
    }

    public boolean deleteJob(String jobId){
        try {
            jobDao.remove(jobId);
            groupDao.removeByJob(jobId);
            reviewWorkerDao.removeByJob(jobId);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    public JSONArray getJobDistribution(String jobId){
        List<ReviewGroup>reviewGroups=groupDao.getGroupsByJob(jobId);
        JSONArray jsonArray=new JSONArray();
        for(int i=0;i<reviewGroups.size();i++){
            ReviewGroup reviewGroup=reviewGroups.get(i);
            JSONObject jsonObject=new JSONObject();
            jsonObject.put("name",reviewGroup.getName());
            jsonObject.put("description",reviewGroup.getDescription());
            jsonObject.put("worker",reviewGroup.getWorkers_id());
            jsonObject.put("report",reviewGroup.getOriginal_id());
            jsonArray.put(jsonObject);
        }
        return jsonArray;

    }

    public List<ReviewJob>getJobsByPaper(String paperId){
        return jobDao.findJobsByPaper(paperId);
    }

    public ReviewJob findJobByExamCase(String examId,String caseId){
        return jobDao.findJobByExamCase(examId, caseId);
    }

    public List<ReviewJob>getJobsByExam(String examId){
        return jobDao.findJobsByExam(examId);
    }
}