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/*
 * Copyright (c) 2020-2030, Shuigedeng ([email protected] & https://blog.taotaocloud.top/).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.taotao.boot.monitor.collect.task;

import com.sun.management.OperatingSystemMXBean;
import com.taotao.boot.common.utils.log.LogUtils;
import com.taotao.boot.monitor.annotation.FieldReport;
import com.taotao.boot.monitor.collect.AbstractCollectTask;
import com.taotao.boot.monitor.collect.CollectInfo;
import com.taotao.boot.monitor.properties.CollectTaskProperties;

import java.lang.management.ManagementFactory;

/**
 * CpuCollectTask
 *
 * @author shuigedeng
 * @version 2021.9
 * @since 2021-09-10 17:23:08
 */
public class CpuCollectTask extends AbstractCollectTask {

    private static final String TASK_NAME = "ttc.monitor.collect.cpu";
    private static final String TASK_DESC = "CPU检查报表";

    private final OperatingSystemMXBean systemBean;
    private final CollectTaskProperties properties;

    public CpuCollectTask(CollectTaskProperties properties) {
        this.systemBean = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
        this.properties = properties;
    }

    @Override
    public int getTimeSpan() {
        return properties.getCpuTimeSpan();
    }

    @Override
    public String getDesc() {
        return TASK_DESC;
    }

    @Override
    public String getName() {
        return TASK_NAME;
    }

    @Override
    public boolean getEnabled() {
        return properties.isCpuEnabled();
    }

    @Override
    protected CollectInfo getData() {
        try {
            CpuInfo info = new CpuInfo();
            info.processCpuLoad = systemBean.getProcessCpuLoad();
            info.systemCpuLoad = systemBean.getCpuLoad();

            info.committedVirtualMemorySize = systemBean.getCommittedVirtualMemorySize();
            info.totalSwapSpaceSize = systemBean.getTotalSwapSpaceSize();
            info.freeSwapSpaceSize = systemBean.getFreeSwapSpaceSize();
            info.processCpuTime = systemBean.getProcessCpuTime();
            info.freePhysicalMemorySize = systemBean.getFreeMemorySize();
            info.totalPhysicalMemorySize = systemBean.getTotalMemorySize();

            info.cpuCoreNumber = Runtime.getRuntime().availableProcessors();
            return info;
        } catch (Exception e) {
            if (LogUtils.isErrorEnabled()) {
                LogUtils.error(e);
            }
        }
        return null;
    }

    private static class CpuInfo implements CollectInfo {

        @FieldReport(name = TASK_NAME + ".process", desc = "进程cpu负载")
        private Double processCpuLoad = 0.0;

        @FieldReport(name = TASK_NAME + ".system", desc = "系统cpu负载")
        private Double systemCpuLoad = 0.0;

        @FieldReport(name = TASK_NAME + ".committed.virtual.memory.size", desc = "已提交的虚拟内存大小")
        private Long committedVirtualMemorySize = 0L;

        @FieldReport(name = TASK_NAME + ".total.swap.space.size", desc = "总交换空间大小")
        private Long totalSwapSpaceSize = 0L;

        @FieldReport(name = TASK_NAME + ".free.swap.space.size", desc = "空闲交换空间大小")
        private Long freeSwapSpaceSize = 0L;

        @FieldReport(name = TASK_NAME + ".process.cpu.time", desc = "处理cpu时间")
        private Long processCpuTime = 0L;

        @FieldReport(name = TASK_NAME + ".free.physical.memory.size", desc = "空闲的物理内存空间")
        private Long freePhysicalMemorySize = 0L;

        @FieldReport(name = TASK_NAME + ".total.physical.memory.size", desc = "总的物理内存空间")
        private Long totalPhysicalMemorySize = 0L;

        @FieldReport(name = TASK_NAME + ".core.num", desc = "系统cpu核心数")
        private Integer cpuCoreNumber = 0;
    }
}