package cn.cslg.pas.service.upLoadPatent;

import cn.cslg.pas.common.model.vo.ProjectImportPatentVO;
import cn.cslg.pas.common.model.vo.UploadParamsVO;
import cn.cslg.pas.common.model.vo.UploadSettingVO;
import cn.cslg.pas.common.utils.DateUtils;
import cn.cslg.pas.common.utils.FileUtils;
import cn.cslg.pas.common.utils.JsonUtils;
import cn.cslg.pas.common.utils.ReadExcelUtils;
import cn.cslg.pas.domain.PatentData;
import cn.cslg.pas.domain.QueueData;
import cn.cslg.pas.domain.Task;
import cn.cslg.pas.service.TaskService;
import cn.cslg.pas.service.UploadPatentBatchService;
import lombok.RequiredArgsConstructor;
import org.apache.poi.ss.usermodel.Sheet;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.*;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

/**
 * 将专利信息存入队列或从队列取出
 */
@Service
@RequiredArgsConstructor(onConstructor_ = {@Lazy})
public class PantentQueueService {
    private final ExcuteDataToVOService excuteDataToVOService;
    private final ExcuteUploadSettingService excuteUploadSettingService;
    private final UploadPatentToDBService uploadPatentToDBService;
    private final UploadPatentBatchService uploadPatentBatchService;
    private final FileUtils fileUtils;
    private final MessageService messageService;
    private final TaskService taskService;
    private Queue<QueueData> patentImageQueue = new LinkedList<>();
    private Queue<QueueData> patentZhuluQueue = new LinkedList<>();
    private Queue<QueueData> patentRightQueue = new LinkedList<>();
    private Queue<QueueData> patentInstructionTextQueue = new LinkedList<>();
    private Queue<QueueData> patentAssoQueue = new LinkedList<>();
    private List<Integer> taskQueueList = new ArrayList<>();
    private Boolean flag = false;
    private Lock taskLock = new ReentrantLock();
    private Lock patentImageLock = new ReentrantLock();
    private Lock patentZhuluLock = new ReentrantLock();
    private Lock patentRightLock = new ReentrantLock();
    private Lock patentInstructionTextLock = new ReentrantLock();
    private Lock patentAssoLock = new ReentrantLock();
    Condition taskCondition = taskLock.newCondition();
    private Condition patentImageCondition = patentImageLock.newCondition();
    private Condition patentZhuluCondition = patentZhuluLock.newCondition();
    private Condition patentRightCondition = patentRightLock.newCondition();
    private Condition patentInstructionTextCondition = patentInstructionTextLock.newCondition();
    private Condition patentAssoCondition = patentAssoLock.newCondition();
    private HashMap<Integer, Integer> patentIdMap = new HashMap<>();
    private Task task = null;
    private Integer patentFinishNum = 0;

    /**
     * 生产者：从任务队列取出任务解析成专利实体类，分配给三个消费者队列
     */
    public void addPatnetToQueue() {
        try {
            while (true) {
                //检查任务队列
                if (taskQueueList.size() == 0) {
                    taskLock.lock();
                    taskCondition.await();
                }
                //1.从taskQueueList中取出第一个task，将其状态改为进行中，并将其从任务队列taskQueueList中删除
                task = taskService.getById(taskQueueList.get(0));
                task.setStatus(1);
                taskService.updateById(task);
                taskQueueList.remove(0);

                //从任务中取出文件路径、总条数、成功条数、前台参数json
                String filePath = task.getUrl();  //相对路径
                filePath = fileUtils.getPath(filePath);  //绝对路径
                Integer total = task.getTotal();
                patentIdMap.put(0, total);

                int lastIndex = task.getSuccessNum();
                String json = task.getPramJson();
                ProjectImportPatentVO projectImportPatentVO = JsonUtils.jsonToPojo(json, ProjectImportPatentVO.class);
                //解析数据源类，通过数据来源id（如1：智慧芽）解析数据源配置文件，获得数据源配置文件对象jsonData
                List<UploadSettingVO.Column> jsonData = excuteUploadSettingService.ExcuteUploadSetting(projectImportPatentVO.getSourceId());
                //解析Excel文件获得工作簿
                Sheet sheet = ReadExcelUtils.readExcel(filePath);
                //遍历专利总数量，在循环中保存专利
                for (int i = lastIndex; i < total; i++) {
                    PatentData patentData = ReadExcelUtils.readExcelOneRow(filePath, sheet, i + 1);
                    //调用装载数据类，专利数据转换为VO对象
                    UploadParamsVO uploadParamsVO = excuteDataToVOService.fileToPatentVO(patentData, jsonData);
                    //保存专利基础数据（专利表"os_patent"）
                    uploadPatentBatchService.getOneOrInsertOne(uploadParamsVO);

                    //专利分别加入5个消费者队列
                    QueueData queueData = new QueueData()
                            .setUploadParamsVO(uploadParamsVO)
                            .setProjectImportPatentVO(projectImportPatentVO);
                    patentImageQueue.add(queueData);
                    patentZhuluQueue.add(queueData);
                    patentRightQueue.add(queueData);
                    patentInstructionTextQueue.add(queueData);
                    patentAssoQueue.add(queueData);

                    //通知消费者线程（5个消费者：摘要附图、著录项目、权利要求文本、说明书文本、与专利关联数据）
                    //消费者1摘要附图
                    patentImageLock.lock();
                    patentImageCondition.signalAll();
                    patentImageLock.unlock();
                    //消费者2著录项目
                    patentZhuluLock.lock();
                    patentZhuluCondition.signalAll();
                    patentZhuluLock.unlock();
                    //消费者3权利要求文本
                    patentRightLock.lock();
                    patentRightCondition.signalAll();
                    patentRightLock.unlock();
                    //消费者4说明书文本
                    patentInstructionTextLock.lock();
                    patentInstructionTextCondition.signalAll();
                    patentInstructionTextLock.unlock();
                    //消费者5与专利关联数据
                    patentAssoLock.lock();
                    patentAssoCondition.signalAll();
                    patentAssoLock.unlock();

                }

            }

        } catch (Exception e) {
            e.printStackTrace();
            //任务表更新状态为失败
            task.setStatus(3);
            task.setEndTime(DateUtils.getDateTime());
            taskService.updateById(task);
        }
        flag = true;
    }

    /**
     * 消费者1：将专利从队列取出，摘要附图入库
     */
    public void pushPatentImageToDB() throws InterruptedException, IOException {
        while (true) {
            try {
                if (patentImageQueue.isEmpty()) {
                    if (flag) {
                        System.out.println("摘要附图全部完成，退出循环");
                        return;
                    } else {
                        patentImageLock.lock();
                        patentImageCondition.await();
                        patentImageLock.unlock();
                    }
                } else {
                    QueueData queueData = patentImageQueue.remove();
                    //摘要附图入库
                    uploadPatentToDBService.uploadPatentImage(queueData.getUploadParamsVO());
                    //Websocket发送message：通过WebSocket 在每一次循环结束后 向前端发送完成进度
                    sendMessage(queueData, patentIdMap.get(0), task);
                }

            } catch (Exception e) {
                e.printStackTrace();
            }

        }
    }

    /**
     * 消费者2：将专利从队列取出，著录项目入库
     */
    public void pushPatentZhuLuToDB() throws InterruptedException, IOException {
        while (true) {
            try {
                if (patentZhuluQueue.isEmpty()) {
                    if (flag) {
                        System.out.println("著录项目全部完成，退出循环");
                        return;
                    } else {
                        patentZhuluLock.lock();
                        patentZhuluCondition.await();
                        patentZhuluLock.unlock();
                    }
                } else {
                    QueueData queueData = patentZhuluQueue.remove();
                    //著录项目入库
                    uploadPatentToDBService.uploadPatentZhulu(queueData.getUploadParamsVO());
                    //Websocket发送message：通过WebSocket 在每一次循环结束后 向前端发送完成进度
                    sendMessage(queueData, patentIdMap.get(0), task);
                }

            } catch (Exception e) {
                e.printStackTrace();
            }

        }
    }

    /**
     * 消费者3：将专利从队列取出，权利要求文本入库
     */
    public void pushPatentRightToDB() throws InterruptedException, IOException {
        while (true) {
            try {
                if (patentRightQueue.isEmpty()) {
                    if (flag) {
                        System.out.println("权利要求全部完成，退出循环");
                        return;
                    } else {
                        patentRightLock.lock();
                        patentRightCondition.await();
                        patentRightLock.unlock();
                    }
                } else {
                    QueueData queueData = patentRightQueue.remove();
                    //权要文本入库
                    uploadPatentToDBService.uploadPatentRight(queueData.getUploadParamsVO());
                    //Websocket发送message：通过WebSocket 在每一次循环结束后 向前端发送完成进度
                    sendMessage(queueData, patentIdMap.get(0), task);
                }

            } catch (Exception e) {
                e.printStackTrace();
            }

        }
    }

    /**
     * 消费者4：将专利从队列取出，说明书文本入库
     */
    public void pushPatentInstructionTextToDB() throws InterruptedException, IOException {
        while (true) {
            try {
                if (patentInstructionTextQueue.isEmpty()) {
                    if (flag) {
                        System.out.println("说明书文本全部完成，退出循环");
                        return;
                    } else {
                        patentInstructionTextLock.lock();
                        patentInstructionTextCondition.await();
                        patentInstructionTextLock.unlock();
                    }
                } else {
                    QueueData queueData = patentInstructionTextQueue.remove();
                    //说明书文本入库
                    uploadPatentToDBService.uploadPatentInstructionText(queueData.getUploadParamsVO());
                    //Websocket发送message：通过WebSocket 在每一次循环结束后 向前端发送完成进度
                    sendMessage(queueData, patentIdMap.get(0), task);
                }

            } catch (Exception e) {
                e.printStackTrace();
            }

        }
    }

    /**
     * 消费者5：将专利从队列取出，与专利关联数据入库
     */
    public void pushPatentAssoToDB() throws InterruptedException, IOException {
        while (true) {
            try {
                if (patentAssoQueue.isEmpty()) {
                    if (flag) {
                        System.out.println("与专利关联的数据全部完成，退出循环");
                        return;
                    } else {
                        patentAssoLock.lock();
                        patentAssoCondition.await();
                        patentAssoLock.unlock();
                    }
                } else {
                    QueueData queueData = patentAssoQueue.remove();
                    //专题库与专利关联入库
                    uploadPatentToDBService.uploadAssoThemaPat(queueData.getUploadParamsVO(), queueData.getProjectImportPatentVO());
                    //自定义字段标引与专利关联入库
                    uploadPatentToDBService.uploadAssoFieldPat(queueData.getUploadParamsVO(), queueData.getProjectImportPatentVO());
                    //文件夹与专利关联入库
                    uploadPatentToDBService.uploadAssoPorPat(queueData.getUploadParamsVO(), queueData.getProjectImportPatentVO());
                    //Websocket发送message：通过WebSocket 在每一次循环结束后 向前端发送完成进度
                    sendMessage(queueData, patentIdMap.get(0), task);
                }

            } catch (Exception e) {
                e.printStackTrace();
            }

        }
    }

    public void sendMessage(QueueData queueData, Integer total, Task task) {
        //每完成一个专利，通过计算，发送进度
        synchronized ("此为同步锁") {
            Integer currentPatentId = queueData.getUploadParamsVO().getPatent().getId();
            Integer num = patentIdMap.get(currentPatentId);
            if (num == null) {
                patentIdMap.put(currentPatentId, 1);
            } else if (num < 4) {
                patentIdMap.put(currentPatentId, ++num);
            } else {
                //num达到3了就从patentIdMap中删除
                patentIdMap.remove(currentPatentId);
                patentFinishNum++;
                long percentage = Math.round((patentFinishNum + 1D) / total * 100D);
                //当全部完成时
                if (patentFinishNum.equals(total)) {
                    percentage = 100L;
                    //任务表更新状态为成功
                    task.setStatus(2);
                    task.setEndTime(DateUtils.getDateTime());
                    taskService.updateById(task);
                    System.out.println("结束时间：" + new Date());
                }
                messageService.sendWebsocketMessage(task, total, patentFinishNum, percentage);
                //任务表更新数据
                task.setSuccessNum(patentFinishNum);
                task.setDefaultNum(total - task.getSuccessNum());
                taskService.updateById(task);
            }
        }
    }


    public void queueAddTask(List<Integer> taskQueueList) {
        this.taskQueueList.addAll(taskQueueList);
    }

    public void awakeTasktch() {
        taskLock.lock();
        taskCondition.signalAll();
        taskLock.unlock();

    }

}