package com.ots.project.tool.libreoffice;

import org.jodconverter.core.office.OfficeManager;
import org.jodconverter.local.office.LocalOfficeManager;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;

/**
 * @version 1.0
 * @Author linzhijie
 * @Description //TODO
 * @Date 2023/02/14 0:23
 */
@Component
public class OfficeManagerInstance {

    private static OfficeManager INSTANCE = null;

    @Value("${jodconverter.local.office-home}")
    private String prilibreOfficeHome;
    @Value("${jodconverter.local.portNumbers}")
    private String portNumbers;
    @Value("${libreOffice.taskExecutionTimeoutMinutes:5}")
    private String taskExecutionTimeoutMinutes;
    @Value("${libreOffice.taskQueueTimeoutHours:1}")
    private String taskQueueTimeoutHours;

    public static synchronized void start() {
        officeManagerStart();
    }

    @PostConstruct
    private void init() {
        try {
            String[] portNum = portNumbers.split(",");
            int[] ports = new int[portNum.length];
            for (int i = 0; i < portNum.length; i++) {
                ports[i] = Integer.parseInt(portNum[i]);
            }
            LocalOfficeManager.Builder builder = LocalOfficeManager.builder().install();
            builder.officeHome(prilibreOfficeHome);
            builder.portNumbers(ports);
            // minute
            builder.taskExecutionTimeout(Long.valueOf(Integer.parseInt(taskExecutionTimeoutMinutes) * 1000 * 60));
            // hour
            builder.taskQueueTimeout(Long.valueOf(Integer.parseInt(taskQueueTimeoutHours) * 1000 * 60 * 60));
            INSTANCE = builder.build();
            officeManagerStart();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private static void officeManagerStart() {
        if (INSTANCE.isRunning()) {
            return;
        }

        try {
            INSTANCE.start();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}