/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.swagger;

import io.swagger.models.Model;
import io.swagger.models.Operation;
import io.swagger.models.Path;
import io.swagger.models.Swagger;
import org.apache.camel.util.FileUtil;

public final class SwaggerHelper {

    private SwaggerHelper() {
    }

    public static String buildUrl(String path1, String path2) {
        String s1 = FileUtil.stripTrailingSeparator(path1);
        String s2 = FileUtil.stripLeadingSeparator(path2);
        if (s1 != null && s2 != null) {
            return s1 + "/" + s2;
        } else if (path1 != null) {
            return path1;
        } else {
            return path2;
        }
    }

    /**
     * Clears all the vendor extension on the swagger model. This may be needed as some API tooling does not support this.
     */
    public static void clearVendorExtensions(Swagger swagger) {
        if (swagger.getVendorExtensions() != null) {
            swagger.getVendorExtensions().clear();
        }

        if (swagger.getDefinitions() != null) {
            for (Model model : swagger.getDefinitions().values()) {
                if (model.getVendorExtensions() != null) {
                    model.getVendorExtensions().clear();
                }
            }
        }

        if (swagger.getPaths() != null) {
            for (Path path : swagger.getPaths().values()) {
                if (path.getVendorExtensions() != null) {
                    path.getVendorExtensions().clear();
                }
                for (Operation op : path.getOperations()) {
                    if (op.getVendorExtensions() != null) {
                        op.getVendorExtensions().clear();
                    }
                }
            }
        }
    }

}
