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package org.apidesign.bck2brwsr.dew;

import java.net.URI;

import javax.lang.model.element.Modifier;

import javax.lang.model.element.NestingKind;

/**

 *

 * @author tom

 */

public abstract class BaseFileObject implements InferableJavaFileObject {

    protected final String path;

    protected final Kind kind;

    BaseFileObject(

        String path,

        Kind kind) {

        if (!path.startsWith("/")) {    //NOI18N

            throw new IllegalArgumentException();

        }

        this.path = path;

        this.kind = kind;

    }

    @Override

    public String infer() {

        return ClassLoaderFileManager.convertResourceToFQN(path);

    }

    @Override

    public Kind getKind() {

        return kind;

    }

    @Override

    public boolean isNameCompatible(String simpleName, Kind kind) {

        return this.kind == kind &&

        getSimpleName(path).equals(simpleName);

    }

    @Override

    public NestingKind getNestingKind() {

        return null;

    }

    @Override

    public Modifier getAccessLevel() {

        return null;

    }

    @Override

    public URI toUri() {

        return URI.create(escape(path));

    }

    @Override

    public String getName() {

        return path;

    }

    protected static String getSimpleName(String path) {

        int slashIndex = path.lastIndexOf('/');

        assert slashIndex >= 0;

        return (slashIndex + 1 < path.length()) ?

            path.substring(slashIndex + 1) :

            ""; //NOI18N

    }

    protected static Kind getKind(final String path) {

        final String simpleName = getSimpleName(path);

        final int dotIndex = simpleName.lastIndexOf('.'); //NOI18N

        final String ext = dotIndex > 0 ?

            simpleName.substring(dotIndex) :

            "";

        for (Kind k : Kind.values()) {

            if (k.extension.equals(ext)) {

                return k;

            }

        }

        return Kind.OTHER;

    }

    private String escape(String path) {

        return path;

    }

}