package com.vci.starter.web.autoconfigure;

import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.Executor;

/**
 * timer需要的默认的线程池
 * @author weidy
 * @date 2021-2-2
 */
@Configuration
@EnableAsync
@ConditionalOnProperty(prefix = "vciasync",name="enabled",havingValue = "true",matchIfMissing = false)
public class VciAsyncConfig {

    /**
     * 初始化大小
     */
    private int corePoolSize;

    /**
     * 最大的值
     */
    private int maxPoolSize;

    /**
     * 队列的个数
     */
    private int queueCapacity;

    /**
     * 存活时间
     */
    private int keepAliveSeconds = 60;

    /**
     * 默认的线程池，
     * @return 线程池对象
     */
    @Bean
    @ConditionalOnMissingBean
    public Executor taskExecutor() {
        ThreadPoolTaskExecutor executor = new VciThreadPoolTaskExecutor();
        int cpu =  Runtime.getRuntime().availableProcessors();
        if(getCorePoolSize() == 0){
            setCorePoolSize(cpu);
        }
        if(getMaxPoolSize() == 0){
            setMaxPoolSize(2* cpu);
        }
        if(getQueueCapacity() == 0){
            setQueueCapacity(100);
        }
        executor.setCorePoolSize(getCorePoolSize());
        executor.setMaxPoolSize(getMaxPoolSize());
        executor.setQueueCapacity(getQueueCapacity());
        executor.setKeepAliveSeconds(getKeepAliveSeconds());
        executor.initialize();
        return executor;
    }

    public int getCorePoolSize() {
        return corePoolSize;
    }

    public void setCorePoolSize(int corePoolSize) {
        this.corePoolSize = corePoolSize;
    }

    public int getMaxPoolSize() {
        return maxPoolSize;
    }

    public void setMaxPoolSize(int maxPoolSize) {
        this.maxPoolSize = maxPoolSize;
    }

    public int getQueueCapacity() {
        return queueCapacity;
    }

    public void setQueueCapacity(int queueCapacity) {
        this.queueCapacity = queueCapacity;
    }

    public int getKeepAliveSeconds() {
        return keepAliveSeconds;
    }

    public void setKeepAliveSeconds(int keepAliveSeconds) {
        this.keepAliveSeconds = keepAliveSeconds;
    }

    @Override
    public String toString() {
        return "VciAsyncConfig{" +
                "corePoolSize=" + corePoolSize +
                ", maxPoolSize=" + maxPoolSize +
                ", queueCapacity=" + queueCapacity +
                '}';
    }
}