package bndtools.model.repo;

import org.bndtools.utils.resources.ResourceUtils;
import org.osgi.framework.Version;
import org.osgi.resource.Resource;

import aQute.bnd.service.RepositoryPlugin;

public class RepositoryResourceElement {

    private final Resource resource;
    private final String name;
    private final RepositoryBundleVersion repositoryBundleVersion;

    RepositoryResourceElement(RepositoryPlugin repoPlugin, Resource resource) {
        this.resource = resource;
        this.name = ResourceUtils.getIdentity(resource);
        this.repositoryBundleVersion = new RepositoryBundleVersion(new RepositoryBundle(repoPlugin, name), aQute.bnd.version.Version.parseVersion(getVersionString()));
    }

    public RepositoryBundleVersion getRepositoryBundleVersion() {
        return repositoryBundleVersion;
    }

    String getIdentity() {
        return name;
    }

    String getVersionString() {
        Version version = ResourceUtils.getVersion(resource);
        if (version == null)
            version = Version.emptyVersion;
        return version.toString();
    }

    public Resource getResource() {
        return resource;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((resource == null) ? 0 : resource.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        RepositoryResourceElement other = (RepositoryResourceElement) obj;
        if (resource == null) {
            if (other.resource != null)
                return false;
        } else if (!resource.equals(other.resource))
            return false;
        return true;
    }

}
