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package org.zodiac.actuate.application.internal;

import org.springframework.boot.actuate.health.Health;
import org.zodiac.actuate.health.checker.LivenessHealthChecker;
import org.zodiac.core.application.availability.AppAvailability;
import org.zodiac.core.application.availability.AppLivenessState;

public class AppAvailabilityLivenessHealthChecker implements LivenessHealthChecker {

    public static final String NAME = "app-liveness";

    private AppAvailability availability;

    public AppAvailabilityLivenessHealthChecker(AppAvailability availability) {
        this.availability = availability;
    }

    @Override
    public Health isHealthy() {
        AppLivenessState livenessState = availability.getLivenessState();
        if (livenessState == AppLivenessState.CORRECT) {
            return Health.up().withDetail("info", "The application service instance is set to correct.").build();
        } else if (livenessState == AppLivenessState.BROKEN) {
            return Health.down().withDetail("info", "The application service instance is broken.").build();
        }
        return Health.up().build();
    }

    @Override
    public String getName() {
        return NAME;
    }

}