package edu.nju.service;

import edu.nju.dao.*;
import edu.nju.entities.*;
import org.json.JSONArray;
import org.json.JSONObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;
@Service
public class NodeService {

    @Autowired
    AnswerNodeDao answerNodeDao;

    @Autowired
    BasicNodeDao basicNodeDao;

    @Autowired
    ReviewItemDao reviewItemDao;

    @Autowired
    ReviewJobDao reviewJobDao;

    @Autowired
    ReviewPaperDao reviewPaperDao;

    @Autowired
    ReviewReportDao reviewReportDao;

    @Autowired
    ReviewCorrectAnswerDao reviewCorrectAnswerDao;

    @Autowired
    ReviewAnswerDao reviewAnswerDao;


    public BasicNode generateBasicNode(String jobId,String teacherId){
        ReviewJob reviewJob=reviewJobDao.findJob(jobId);
        ReviewPaper reviewPaper=reviewPaperDao.findPaper(reviewJob.getPaper_id());
        List<ReviewReport> reviewReportList=reviewReportDao.getReportsByPaperId(reviewPaper.getId());
        //构建元node
        JSONObject nodeJson = new JSONObject();
        JSONArray categoryArray=new JSONArray();
        JSONObject categoryObject=new JSONObject();
        categoryObject.put("name","CrowdReview");
        categoryArray.put(categoryObject);
        nodeJson.put("categories",categoryArray);
        JSONArray nodesArray=new JSONArray();
        for(ReviewReport reviewReport:reviewReportList){
            String reportId=reviewReport.getId();
            List<ReviewItem> reviewItemList=reviewItemDao.findItemsByReport(reportId);
            for(ReviewItem reviewItem:reviewItemList){
                String itemId=reviewItem.getId();
                ReviewCorrectAnswer correctAnswer=reviewCorrectAnswerDao.findCorrectAnswerByReportItem(reportId,itemId,jobId);
                if(reviewItem.getType().equals("Multiple")){
                    List<String> answers=correctAnswer.getCorrect_answer();
                    int num=0;
                    for(int i=0;i<answers.size();i++){
                        if(answers.get(i).equals("1")){
                            num++;
                        }
                    }
                    if(num!=0){
                        for(int i=0;i<answers.size();i++){
                            String answer=answers.get(i);
                            if(answer.equals("1")){
                                JSONObject node=new JSONObject();
                                node.put("name", jobId + "/" + reportId + "/" + itemId+"/"+i);
                                node.put("location", jobId + "/" + reportId + "/" + itemId+"/"+i);
                                node.put("description", reviewItem.getType());
                                node.put("category", "CrowdReview");
                                node.put("weight", String.valueOf(Double.parseDouble(correctAnswer.getGrade())/num));
                                nodesArray.put(node);
                            }
                        }
                    }
                }else {
                    JSONObject node=new JSONObject();
                    node.put("name", jobId + "/" + reportId + "/" + itemId);
                    node.put("location", jobId + "/" + reportId + "/" + itemId);
                    node.put("description", reviewItem.getType());
                    node.put("category", "CrowdReview");
                    node.put("weight", correctAnswer.getGrade());
                    nodesArray.put(node);
                }
            }
        }
        nodeJson.put("nodes",nodesArray);
        BasicNode basicNode=new BasicNode(jobId,teacherId,nodesArray.toString());
        System.out.println(nodeJson);
        return basicNode;
    }


    public AnswerNode generateCatchNode(String jobId,String workerId){
        ReviewJob reviewJob=reviewJobDao.findJob(jobId);
        ReviewPaper reviewPaper=reviewPaperDao.findPaper(reviewJob.getPaper_id());
        List<ReviewReport> reviewReportList=reviewReportDao.getReportsByPaperId(reviewPaper.getId());
        //构建catchNode
        JSONArray catchNodeArray = new JSONArray();
        for(ReviewReport reviewReport:reviewReportList){
            String reportId=reviewReport.getId();
            List<ReviewItem> reviewItemList=reviewItemDao.findItemsByReport(reportId);
            for(ReviewItem reviewItem:reviewItemList){
                String itemId=reviewItem.getId();
                //此时reviewAnswer一定已经被创建
                ReviewAnswer reviewAnswer=reviewAnswerDao.findAnswerByWorkerJobReportItem(jobId,reportId,workerId,itemId);
                ReviewCorrectAnswer reviewCorrectAnswer=reviewCorrectAnswerDao.findCorrectAnswerByReportItem(reportId,itemId,jobId);

                //多选题
                if(reviewItem.getType().equals("Multiple")){
                    List<String> answers=reviewAnswer.getAnswers();
                    List<String> correctAnswers=reviewCorrectAnswer.getCorrect_answer();
                    int num=0;
                    //共有几个正确选项
                    for(int i=0;i<correctAnswers.size();i++){
                        if(correctAnswers.get(i).equals("1")){
                            num++;
                        }
                    }
                    if(num!=0){
                        List<JSONObject> multipleNodeList=new ArrayList<>();
                        boolean chooseWrong=false;
                        //是否作答
                        if(answers.size()!=correctAnswers.size()){
                            for (int i = 0; i < correctAnswers.size(); i++) {
                                JSONObject node = new JSONObject();
                                node.put("category", "CrowdReview");
                                node.put("ifCatch", false);
                                node.put("nodeName", jobId + "/" + reportId + "/" + itemId + "/" + i);
                                multipleNodeList.add(node);
                            }
                            chooseWrong=true;
                        }else {
                            for (int i = 0; i < correctAnswers.size(); i++) {
                                String correctAnswer = correctAnswers.get(i);
                                String answer = answers.get(i);
                                JSONObject node = new JSONObject();
                                if (correctAnswer.equals("1")) {
                                    if (answer.equals("1")) {
                                        node.put("category", "CrowdReview");
                                        node.put("ifCatch", true);
                                        node.put("nodeName", jobId + "/" + reportId + "/" + itemId + "/" + i);
                                    } else {
                                        node.put("category", "CrowdReview");
                                        node.put("ifCatch", false);
                                        node.put("nodeName", jobId + "/" + reportId + "/" + itemId + "/" + i);
                                    }
                                    multipleNodeList.add(node);
                                } else if (correctAnswer.equals("")) {
                                    if (answer.equals("1")) {
                                        chooseWrong = true;
                                        break;
                                    }
                                }
                            }
                        }
                        //有一个选错，则多选题不得分
                        if(chooseWrong){
                            for(JSONObject node:multipleNodeList){
                                node.put("ifCatch",false);
                                catchNodeArray.put(node);
                            }
                        }
                        //否则按选中的个数得分
                        else{
                            for(JSONObject node:multipleNodeList){
                                catchNodeArray.put(node);
                            }
                        }
                    }
                }
                //单选题
                else if(reviewItem.getType().equals("Single")) {
                    List<String> answers=reviewAnswer.getAnswers();
                    List<String> correctAnswers=reviewCorrectAnswer.getCorrect_answer();
                    boolean chooseWrong=false;
                    if(answers.size()!=correctAnswers.size()){
                        chooseWrong=true;
                    }else {
                        for (int i = 0; i < correctAnswers.size(); i++) {
                            String correctAnswer = correctAnswers.get(i);
                            String answer = answers.get(i);
                            if (!answer.equals(correctAnswer)) {
                                chooseWrong = true;
                                break;
                            }
                        }
                    }
                    JSONObject node=new JSONObject();
                    node.put("category", "CrowdReview");
                    node.put("nodeName", jobId + "/" + reportId + "/" + itemId);
                    node.put("ifCatch",!chooseWrong);
                    catchNodeArray.put(node);
                }
                //描述题和文件题，默认只要有作答就得分
                else if(reviewItem.getType().equals("Description")){
                    List<String> answers=reviewAnswer.getAnswers();
                    boolean hasContent=false;
                    for(String answer:answers){
                        if(!answer.equals("")){
                            hasContent=true;
                            break;
                        }
                    }
                    JSONObject node=new JSONObject();
                    node.put("category", "CrowdReview");
                    node.put("nodeName", jobId + "/" + reportId + "/" + itemId);
                    node.put("ifCatch",hasContent);
                    catchNodeArray.put(node);
                }else if(reviewItem.getType().equals("File")){
                    List<String> fileList=reviewAnswer.getFile_url();
                    boolean hasContent=false;
                    for(String file:fileList){
                        if(!file.equals("")){
                            hasContent=true;
                            break;
                        }
                    }
                    JSONObject node=new JSONObject();
                    node.put("category", "CrowdReview");
                    node.put("nodeName", jobId + "/" + reportId + "/" + itemId);
                    node.put("ifCatch",hasContent);
                    catchNodeArray.put(node);
                }
            }
        }

        System.out.println(catchNodeArray);

        AnswerNode answerNode=new AnswerNode(jobId,workerId,catchNodeArray.toString(),"0");
        return answerNode;




    }


}