/**
 * Copyright (c) 2017 Contributors to the Eclipse Foundation
 * <p>
 * Licensed 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.eclipse.microprofile.openapi.apps.petstore.resource;

import java.text.SimpleDateFormat;

import java.util.Date;

public class JavaRestResourceUtil {
    public int getInt(int minVal, int maxVal, int defaultValue, String inputString) {
        int output = defaultValue;
        try {
            output = Integer.parseInt(inputString);
        }
        catch (Exception e){
            output = defaultValue;
        }

        if (output < minVal){
            output = minVal;
        }
        if (maxVal == -1) {
            if (output < minVal){
                output = minVal;
            }
        }
        else if (output > maxVal){
            output = maxVal;
        }
        return output;
    }

    public long getLong(long minVal, long maxVal, long defaultValue, String inputString) {
        long output = defaultValue;
        try {
            output = Long.parseLong(inputString);
        }
        catch (Exception e){
            output = defaultValue;
        }
        if (output < minVal){
            output = minVal;
        }
        if (maxVal == -1) { 
            if (output < minVal){
                output = minVal; 
            }
        }
        else if (output > maxVal){
            output = maxVal;
        }
        return output;
    }

    public double getDouble(double minVal, double maxVal, double defaultValue, String inputString) {
        double output = defaultValue;
        try {
            output = Double.parseDouble(inputString);
        }
        catch (Exception e){
            output = defaultValue;
        }
        if (output < minVal){
            output = minVal;
        }
        if (maxVal == -1) { 
            if (output < minVal){
                output = minVal; 
            }
        }
        else if (output > maxVal){
            output = maxVal;
        }
        return output;
    }

    public boolean getBoolean(boolean defaultValue, String booleanString) {
        boolean output = defaultValue;
        if (booleanString == null){
            output = defaultValue;
        }

        //  treat "", "YES" as "true"
        if ("".equals(booleanString)){
            output = true;
        }
        else if ("YES".equalsIgnoreCase(booleanString)){ 
            output = true;
        }
        else if ("NO".equalsIgnoreCase(booleanString)){
            output = false;
        }
        else {
            try {
                output = Boolean.parseBoolean(booleanString);
            }
            catch (Exception e){
                output = defaultValue;
            }
        }
        return output;
    }
    
    public Date getDate(Date defaultValue, String dateString){
        try {
            return new SimpleDateFormat("yyyy-MM-dd").parse(dateString);
        }
        catch(Exception e) {
            return defaultValue;
        }
    }
}