//
// 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 com.cloud.utils;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;

import com.cloud.utils.DateUtil.IntervalType;


public class DateUtilTest {

    // command line test tool
    public static void main(String[] args) {
        TimeZone localTimezone = Calendar.getInstance().getTimeZone();
        TimeZone gmtTimezone = TimeZone.getTimeZone("GMT");
        TimeZone estTimezone = TimeZone.getTimeZone("EST");

        Date time = new Date();
        System.out.println("local time :" + DateUtil.getDateDisplayString(localTimezone, time));
        System.out.println("GMT time   :" + DateUtil.getDateDisplayString(gmtTimezone, time));
        System.out.println("EST time   :" + DateUtil.getDateDisplayString(estTimezone, time));
        //Test next run time. Expects interval and schedule as arguments
        if (args.length == 2) {
            System.out.println("Next run time: " + DateUtil.getNextRunTime(IntervalType.getIntervalType(args[0]), args[1], "GMT", time).toString());
        }

        time = new Date();
        DateFormat dfDate = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'Z");
        String str = dfDate.format(time);
        System.out.println("Formated TZ time string : " + str);
        try {
            Date dtParsed = DateUtil.parseTZDateString(str);
            System.out.println("Parsed TZ time string : " + dtParsed.toString());
        } catch (ParseException e) {
            System.err.println("Parsing failed\n string : " + str + "\nexception :" + e.getLocalizedMessage());
        }
    }

}