package com.mydreamjob.config;

import org.springframework.beans.factory.annotation.Value;
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;

/**
 * 异步任务配置：简历导出等耗时任务使用独立线程池，不阻塞请求线程。
 */
@Configuration
@EnableAsync
public class AsyncConfig {

    @Bean(name = "resumeExportExecutor")
    public Executor resumeExportExecutor(
            @Value("${app.async.resume-export.core-pool-size:2}") int corePoolSize,
            @Value("${app.async.resume-export.max-pool-size:4}") int maxPoolSize,
            @Value("${app.async.resume-export.queue-capacity:100}") int queueCapacity) {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(corePoolSize);
        executor.setMaxPoolSize(maxPoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setThreadNamePrefix("resume-export-");
        executor.initialize();
        return executor;
    }

    @Bean(name = "dataExportExecutor")
    public Executor dataExportExecutor(
            @Value("${app.async.data-export.core-pool-size:2}") int corePoolSize,
            @Value("${app.async.data-export.max-pool-size:4}") int maxPoolSize,
            @Value("${app.async.data-export.queue-capacity:100}") int queueCapacity) {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(corePoolSize);
        executor.setMaxPoolSize(maxPoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setThreadNamePrefix("data-export-");
        executor.initialize();
        return executor;
    }
}