/*
 * 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.asterix.om.exceptions;

public class ExceptionUtil {

    private ExceptionUtil() {
    }

    static String toExpectedTypeString(Object... expectedItems) {
        StringBuilder expectedTypes = new StringBuilder();
        int numCandidateTypes = expectedItems.length;
        for (int index = 0; index < numCandidateTypes; ++index) {
            if (index > 0) {
                if (index == numCandidateTypes - 1) {
                    expectedTypes.append(" or ");
                } else {
                    expectedTypes.append(", ");
                }
            }
            expectedTypes.append(expectedItems[index]);
        }
        return expectedTypes.toString();
    }

    static String indexToPosition(int index) {
        int i = index + 1;
        switch (i % 100) {
            case 11:
            case 12:
            case 13:
                return i + "th";
            default:
                switch (i % 10) {
                    case 1:
                        return i + "st";
                    case 2:
                        return i + "nd";
                    case 3:
                        return i + "rd";
                    default:
                        return i + "th";
                }
        }
    }
}
