// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.jdisc;

import ai.vespa.cloud.ApplicationId;
import ai.vespa.cloud.Cloud;
import ai.vespa.cloud.Environment;
import ai.vespa.cloud.Node;
import ai.vespa.cloud.SystemInfo;
import ai.vespa.cloud.Zone;
import com.yahoo.component.annotation.Inject;
import com.yahoo.cloud.config.ApplicationIdConfig;
import com.yahoo.cloud.config.ConfigserverConfig;
import com.yahoo.component.AbstractComponent;
import com.yahoo.container.QrConfig;
import com.yahoo.container.di.componentgraph.Provider;

/**
 * Provides information about the system in which this container is running.
 * This is available and can be injected when running in a cloud environment.
 *
 * @author bratseth
 */
public class SystemInfoProvider extends AbstractComponent implements Provider<SystemInfo> {

    private final SystemInfo instance;

    @Inject
    public SystemInfoProvider(ConfigserverConfig csConfig,
                              QrConfig qrConfig,
                              ApplicationIdConfig applicationIdConfig) {
        this.instance = new SystemInfo(new ApplicationId(applicationIdConfig.tenant(),
                                                         applicationIdConfig.application(),
                                                         applicationIdConfig.instance()),
                                       new Zone(Environment.valueOf(csConfig.environment()), csConfig.region()),
                                       new Cloud(csConfig.cloud()),
                                       qrConfig.clustername(),
                                       new Node(qrConfig.nodeIndex()));
    }

    @Override
    public SystemInfo get() { return instance; }

}