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package io.horizon.spi.cloud;

import io.aeon.experiment.specification.app.HES;
import io.horizon.atom.app.KApp;
import io.horizon.atom.app.KTenant;
import io.horizon.eon.em.app.AppMode;
import io.horizon.uca.log.Annal;
import io.macrocosm.atom.HOI;
import io.vertx.core.json.JsonObject;
import io.vertx.up.eon.KName;
import io.vertx.up.util.Ut;

import java.util.Objects;

/**
 * @author Lang
 */
public abstract class AbstractHET implements HET {
    @Override
    public HOI configure(final JsonObject input) {
        final String tenantId = Ut.valueString(input, KName.Tenant.ID);
        final HOI hoi;
        if (Ut.isNil(tenantId)) {
            // 独立模式
            hoi = HOI.create(AppMode.CUBE);
        } else {
            // 多租户 -> 子类可切换成多层
            hoi = HOI.create(AppMode.SPACE);
        }

        // 租户配置流程
        final KTenant tenant = new KTenant(tenantId);
        hoi.bind(tenant);

        // KApp 搜索流程
        final String sigma = Ut.valueString(input, KName.SIGMA);
        final String appId = Ut.valueString(input, KName.APP_ID);
        final KApp app = HES.connect(sigma, appId);
        final String language = Ut.valueString(input, KName.LANGUAGE);
        if (Objects.nonNull(app)) {
            /*
             * Fix issue: java.lang.NullPointerException
             * io.vertx.aeon.specification.app.AbstractHET.configure(AbstractHET.java:41)
             */
            app.bind(sigma, language);
        }
        return hoi.bind(app);
    }

    protected Annal logger() {
        return Annal.get(this.getClass());
    }
}