package de.intevation.flys.client.shared.model;

import java.util.Map;
import java.util.HashMap;

import java.io.Serializable;

public class ToLoad implements Serializable
{
    protected Map<String, Map<String, ArtifactFilter>> artifacts;

    public ToLoad() {
        artifacts = new HashMap<String, Map<String, ArtifactFilter>>();
    }

    public static final String uniqueKey(Map<?, ?> map) {
        int idx = map.size();

        String key = "key-" + idx;
        while (map.containsKey(key)) {
            key = "key-" + ++idx;
        }
        return key;
    }

    public void add(
        String artifactName,
        String factory,
        String out,
        String name,
        String num
    ) {
        if (artifactName == null) {
            artifactName = uniqueKey(artifacts);
        }

        Map<String, ArtifactFilter> artifact = artifacts.get(artifactName);

        if (artifact == null) {
            artifact = new HashMap<String, ArtifactFilter>();
            artifacts.put(artifactName, artifact);
        }

        ArtifactFilter filter = artifact.get(factory);
        if (filter == null) {
            filter = new ArtifactFilter(factory);
            artifact.put(factory, filter);
        }

        filter.add(out, name, num);
    }

    public boolean isEmpty() {
        return artifacts.isEmpty();
    }
}
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