package com.snp.batch.global.partition;

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;

/**
 * 파티션 관리 Job Config
 *
 * 스케줄: 매일 00:10 (0 10 0 * * ?)
 *
 * 동작:
 * - Daily 파티션: 매일 실행
 * - Monthly 파티션: 매월 말일에만 실행 (Job 내부에서 말일 감지)
 */
@Slf4j
@Configuration
public class PartitionManagerJobConfig {

    private final JobRepository jobRepository;
    private final PlatformTransactionManager transactionManager;
    private final PartitionManagerTasklet partitionManagerTasklet;

    public PartitionManagerJobConfig(
            JobRepository jobRepository,
            PlatformTransactionManager transactionManager,
            PartitionManagerTasklet partitionManagerTasklet) {
        this.jobRepository = jobRepository;
        this.transactionManager = transactionManager;
        this.partitionManagerTasklet = partitionManagerTasklet;
    }

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

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

        return new JobBuilder("partitionManagerJob", jobRepository)
                .listener(new JobExecutionListener() {
                    @Override
                    public void beforeJob(JobExecution jobExecution) {
                        log.info("[partitionManagerJob] 파티션 관리 Job 시작");
                    }

                    @Override
                    public void afterJob(JobExecution jobExecution) {
                        log.info("[partitionManagerJob] 파티션 관리 Job 완료 - 상태: {}",
                                jobExecution.getStatus());
                    }
                })
                .start(partitionManagerStep())
                .build();
    }
}