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package org.zodiac.actuate.nacos.confcenter;

import java.util.Properties;
import java.util.function.Function;

import com.alibaba.nacos.api.config.ConfigService;
import com.alibaba.nacos.common.utils.JacksonUtils;

import org.springframework.boot.actuate.health.AbstractHealthIndicator;
import org.springframework.boot.actuate.health.Health;
import org.zodiac.core.application.AppInstanceStatus;
import org.zodiac.nacos.base.factory.CacheableEventPublishingNacosServiceFactory;
import org.zodiac.nacos.base.factory.NacosServiceFactory;
import org.zodiac.nacos.base.metadata.NacosServiceMetaData;
import org.zodiac.nacos.base.util.NacosUtil;

public class NacosConfCenterHealthIndicator extends AbstractHealthIndicator {

    private static final String UP_STATUS = AppInstanceStatus.UP.getText().toLowerCase();

    public NacosConfCenterHealthIndicator() {
        super();
    }

    public NacosConfCenterHealthIndicator(Function healthCheckFailedMessage) {
        super(healthCheckFailedMessage);
    }

    public NacosConfCenterHealthIndicator(String healthCheckFailedMessage) {
        super(healthCheckFailedMessage);
    }

    @Override
    protected void doHealthCheck(Health.Builder builder) throws Exception {
        builder.up();
        NacosServiceFactory nacosServiceFactory = CacheableEventPublishingNacosServiceFactory.getSingleton();
        for (ConfigService configService : nacosServiceFactory.getConfigServices()) {
            if (configService instanceof NacosServiceMetaData) {
                NacosServiceMetaData nacosServiceMetaData = (NacosServiceMetaData)configService;
                Properties properties = nacosServiceMetaData.getProperties();
                builder.withDetail(JacksonUtils.toJson(NacosUtil.extractSafeProperties(properties)),
                    configService.getServerStatus());
            }
            if (!configService.getServerStatus().toLowerCase().equals(UP_STATUS)) {
                builder.down();
            }
        }
    }
}