package com.snp.batch.global.cleanup;

import lombok.extern.slf4j.Slf4j;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.JobExecutionListener;
import org.springframework.batch.core.Step;
import org.springframework.batch.core.job.builder.JobBuilder;
import org.springframework.batch.core.repository.JobRepository;
import org.springframework.batch.core.step.builder.StepBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.PlatformTransactionManager;

/**
 * 배치 로그 정리 Job Config
 *
 * 스케줄: 매일 02:00 (0 0 2 * * ?)
 *
 * 동작:
 * - 보존 기간이 지난 배치 로그 데이터를 삭제
 * - batch_api_log (30일), Spring Batch 메타 (90일),
 *   batch_failed_record/RESOLVED (90일), batch_recollection_history (90일)
 */
@Slf4j
@Configuration
public class LogCleanupJobConfig {

    private final JobRepository jobRepository;
    private final PlatformTransactionManager transactionManager;
    private final LogCleanupTasklet logCleanupTasklet;

    public LogCleanupJobConfig(
            JobRepository jobRepository,
            PlatformTransactionManager transactionManager,
            LogCleanupTasklet logCleanupTasklet) {
        this.jobRepository = jobRepository;
        this.transactionManager = transactionManager;
        this.logCleanupTasklet = logCleanupTasklet;
    }

    @Bean(name = "logCleanupStep")
    public Step logCleanupStep() {
        return new StepBuilder("logCleanupStep", jobRepository)
                .tasklet(logCleanupTasklet, transactionManager)
                .build();
    }

    @Bean(name = "LogCleanupJob")
    public Job logCleanupJob() {
        log.info("Job 생성: LogCleanupJob");

        return new JobBuilder("LogCleanupJob", jobRepository)
                .listener(new JobExecutionListener() {
                    @Override
                    public void beforeJob(JobExecution jobExecution) {
                        log.info("[LogCleanupJob] 배치 로그 정리 Job 시작");
                    }

                    @Override
                    public void afterJob(JobExecution jobExecution) {
                        log.info("[LogCleanupJob] 배치 로그 정리 Job 완료 - 상태: {}",
                                jobExecution.getStatus());
                    }
                })
                .start(logCleanupStep())
                .build();
    }
}