/*
 * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.controller.sal.java.api.generator;

import static org.opendaylight.controller.sal.java.api.generator.Constants.NL;
import static org.opendaylight.controller.sal.java.api.generator.Constants.RCB;
import static org.opendaylight.controller.sal.java.api.generator.Constants.TAB;

import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import java.util.List;

import org.opendaylight.controller.sal.binding.model.api.CodeGenerator;
import org.opendaylight.controller.sal.binding.model.api.Constant;
import org.opendaylight.controller.sal.binding.model.api.Enumeration;
import org.opendaylight.controller.sal.binding.model.api.GeneratedType;
import org.opendaylight.controller.sal.binding.model.api.MethodSignature;
import org.opendaylight.controller.sal.binding.model.api.Type;

public class InterfaceGenerator implements CodeGenerator {

    public Writer generate(Type type) throws IOException {
        Writer writer = new StringWriter();
        if (type instanceof GeneratedType) {
            GeneratedType genType = (GeneratedType) type;

            final List<Constant> constants = genType.getConstantDefinitions();
            final List<MethodSignature> methods = genType
                    .getMethodDefinitions();
            final List<Enumeration> enums = genType.getEnumDefintions();

            writer.write(GeneratorUtil.createIfcDeclarationWithPkgName(genType,
                    ""));
            writer.write(NL);

            if (constants != null) {
                for (Constant c : constants) {
                    writer.write(GeneratorUtil.createConstant(c, TAB) + NL);
                }
                writer.write(NL);
            }

            if (methods != null) {
                for (MethodSignature m : methods) {
                    writer.write(GeneratorUtil.createMethodDeclaration(m, TAB)
                            + NL);
                }
                writer.write(NL);
            }

            if (enums != null) {
                for (Enumeration e : enums) {
                    writer.write(GeneratorUtil.createEnum(e, TAB) + NL);
                }
                writer.write(NL);
            }

            writer.write(RCB);
        }
        return writer;
    }

}