package cn.fw.valhalla.service.report;

import cn.fw.common.cache.locker.DistributedLocker;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.redisson.api.RLock;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.Assert;

import java.time.LocalDate;

/**
 * 公共池报表数据服务
 *
 * @author : kurisu
 * @version : 2.0
 * @className : PublicReportBizService
 * @description : 公共池报表数据服务
 * @date : 2023-05-04 15:07
 */
@Service
@Slf4j
@RequiredArgsConstructor
public class PublicReportBizService {
    private final DistributedLocker distributedLocker;

    @Value("${spring.cache.custom.global-prefix}:PublicReport:extracting")
    @Getter
    private String keyPrefix;

    /**
     * 抽取集团公共池数据
     *
     * @param nowDate 日期
     * @param groupId 集团id
     */
    @Transactional(rollbackFor = Exception.class)
    public void extracting(final LocalDate nowDate, final Long groupId) {
        log.info("开始抽取公共池报表数据，日期:{} 集团:{}", nowDate, groupId);
        final String lockKey = generateKey(groupId);
        RLock lock = (RLock) distributedLocker.lock(lockKey);
        if (lock == null || !lock.isLocked()) {
            return;
        }
        try {
            // TODO: 2023/5/4 完成方法
        } finally {
            if (lock.isLocked()) {
                lock.unlock();
            }
        }
    }

    private String generateKey(final Long groupId) {
        Assert.notNull(groupId, "groupId cannot be null");
        return String.format("%s:%s", getKeyPrefix(), groupId);
    }
}