/*
 *******************************************************************************
 * Copyright (C) 2008, International Business Machines Corporation and         *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 */
package com.ibm.icu.dev.test.format;

import java.text.ParseException;

import com.ibm.icu.dev.test.TestFmwk;
import com.ibm.icu.text.NumberFormat;
import com.ibm.icu.text.TimeUnitFormat;
import com.ibm.icu.util.TimeUnit;
import com.ibm.icu.util.TimeUnitAmount;
import com.ibm.icu.util.ULocale;

/**
 * @author markdavis
 *
 */
public class TimeUnitTest extends TestFmwk {
    public static void main(String[] args) throws Exception{
        new TimeUnitTest().run(args);
    }

    public void TestBasic() {
        String[] locales = {"en", "sl", "fr", "zh", "ar", "ru", "zh_Hant"};
        for ( int locIndex = 0; locIndex < locales.length; ++locIndex ) {
            //System.out.println("locale: " + locales[locIndex]);
            Object[] formats = new Object[] {
                new TimeUnitFormat(new ULocale(locales[locIndex]), TimeUnitFormat.FULL_NAME),
                new TimeUnitFormat(new ULocale(locales[locIndex]), TimeUnitFormat.ABBREVIATED_NAME)
            };
            for (int style = TimeUnitFormat.FULL_NAME;
                 style <= TimeUnitFormat.ABBREVIATED_NAME;
                 ++style) {
                final TimeUnit[] values = TimeUnit.values();
                for (int j = 0; j < values.length; ++j) {
                    final TimeUnit timeUnit = values[j];
                    double[] tests = {0, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 5, 10, 100, 101.35};
                    for (int i = 0; i < tests.length; ++i) {
                        TimeUnitAmount source = new TimeUnitAmount(tests[i], timeUnit);
                        String formatted = ((TimeUnitFormat)formats[style]).format(source);
                        //System.out.println(formatted);
                        logln(tests[i] + " => " + formatted);
                        try {
                            TimeUnitAmount result = (TimeUnitAmount) ((TimeUnitFormat)formats[style]).parseObject(formatted);
                            if (result == null || !source.equals(result)) {
                                errln("No round trip: " + source + " => " + formatted + " => " + result);
                            }
                            // mix style parsing
                            result = (TimeUnitAmount) ((TimeUnitFormat)formats[1 - style]).parseObject(formatted);
                            if (result == null || !source.equals(result)) {
                                errln("No round trip: " + source + " => " + formatted + " => " + result);
                            }
                        } catch (ParseException e) {
                            errln(e.getMessage());
                        }
                    }
                }
            }
        }
    }

    public void TestAPI() {
        TimeUnitFormat format = new TimeUnitFormat();
        format.setLocale(new ULocale("pt_BR"));
        formatParsing(format);
        format = new TimeUnitFormat(new ULocale("de"));
        formatParsing(format);
        format = new TimeUnitFormat(new ULocale("ja"));
        format.setNumberFormat(NumberFormat.getNumberInstance(new ULocale("en")));
        formatParsing(format);

        format = new TimeUnitFormat();
        ULocale es = new ULocale("es");
        format.setNumberFormat(NumberFormat.getNumberInstance(es));
        format.setLocale(es);
        formatParsing(format);
        
    }

    private void formatParsing(TimeUnitFormat format) {
        final TimeUnit[] values = TimeUnit.values();
        for (int j = 0; j < values.length; ++j) {
            final TimeUnit timeUnit = values[j];
            double[] tests = {0, 0.5, 1, 2, 3, 5};
            for (int i = 0; i < tests.length; ++i) {
                TimeUnitAmount source = new TimeUnitAmount(tests[i], timeUnit);
                String formatted = format.format(source);
                //System.out.println(formatted);
                logln(tests[i] + " => " + formatted);
                try {
                    TimeUnitAmount result = (TimeUnitAmount) format.parseObject(formatted);
                    if (result == null || !source.equals(result)) {
                        errln("No round trip: " + source + " => " + formatted + " => " + result);
                    }
                } catch (ParseException e) {
                    errln(e.getMessage());
                }
            }
        }
    }
}