package dev.dinauer.metrics.service.utils;

import java.util.Set;
import java.util.stream.Collectors;

import jakarta.enterprise.context.ApplicationScoped;
import jakarta.inject.Inject;

import org.antlr.v4.runtime.misc.OrderedHashSet;
import org.eclipse.microprofile.config.inject.ConfigProperty;
import org.jboss.logging.Logger;

import io.quarkus.runtime.Startup;

import dev.dinauer.metrics.service.model.BucketUnit;

@Startup
@ApplicationScoped
public class BucketConfigProvider
{
    private Set<BucketUnit> units;

    @Inject
    public BucketConfigProvider(Logger LOG, @ConfigProperty(name = "dev.dinauer.metrics-service.buckets") String config)
    {
        Set<BucketUnit> result = new OrderedHashSet<>();
        for (String unit : config.split(","))
        {
            result.add(BucketUnit.valueOf(unit));
        }
        if (!result.isEmpty())
        {
            this.units = result;
            LOG.info(String.format("Configured indexing with bucket units: %s", result.stream().map(Enum::toString).collect(Collectors.joining(","))));
            return;
        }
        throw new IllegalArgumentException("Cannot obtain indexing bucket units from application.properties. Please set property 'dev.dinauer.metrics-service.buckets'.");
    }

    public Set<BucketUnit> get()
    {
        return units;
    }
}