/*
 *  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.causeway.core.runtimeservices.xmlsnapshot;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.nio.charset.StandardCharsets;
import java.time.LocalDate;
import java.util.Locale;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;

import org.apache.causeway.commons.internal.assertions._Assert;
import org.apache.causeway.commons.internal.base._Strings;
import org.apache.causeway.core.runtimeservices.xml.XmlServiceDefault;

class XmlSnapshotServiceDefault_Test {

    private XmlSnapshotServiceDefault xmlSnapshotService;
    private String xmlStr;
    private XmlServiceDefault xmlService;

    @BeforeEach
    public void setUp() throws Exception {
        xmlStr = _Strings.read(
                XmlSnapshotServiceDefault_Test.class.getResourceAsStream("XmlSnapshotServiceAbstractTest.xml"),
                StandardCharsets.UTF_8);
        _Assert.assertNotNull(xmlStr, "test resource prerequisites");
        xmlService = new XmlServiceDefault();
        xmlSnapshotService = new XmlSnapshotServiceDefault(xmlService, null);
    }

    @Test
    public void test() {

        Locale locale = Locale.getDefault();

        Locale[] locales = new Locale[]{Locale.getDefault(), lookupLocale("en", "US"), lookupLocale("en", "GB"), lookupLocale("es", "ES")};
        for (Locale eachLocal : locales) {
            try {

                Locale.setDefault(eachLocal);

                Document xmlDoc = xmlService.asDocument(xmlStr);
                Element rootEl = xmlDoc.getDocumentElement();

                assertThat(
                        xmlSnapshotService.getChildElementValue(rootEl, "app:someString", String.class), is("OXF"));
                assertThat(
                        xmlSnapshotService.getChildElementValue(rootEl, "app:someLocalDate", LocalDate.class), is(LocalDate.of(2013,4,1)));
                assertThat(
                        xmlSnapshotService.getChildElementValue(rootEl, "app:someBigDecimal", BigDecimal.class), is(new BigDecimal("123456789012345678901234567890.12345678")));
                assertThat(
                        xmlSnapshotService.getChildElementValue(rootEl, "app:someBigInteger", BigInteger.class), is(new BigInteger("12345678901234567890123456789012345678")));
                assertThat(
                        xmlSnapshotService.getChildElementValue(rootEl, "app:someInteger", Integer.class), is(Integer.valueOf(123456789)));
                assertThat(
                        xmlSnapshotService.getChildElementValue(rootEl, "app:someLong", Long.class), is(Long.valueOf(1234567890123456789L)));
                assertThat(
                        xmlSnapshotService.getChildElementValue(rootEl, "app:someShort", Short.class), is(Short.valueOf((short)12345)));
                assertThat(
                        xmlSnapshotService.getChildElementValue(rootEl, "app:someByte", Byte.class), is(Byte.valueOf((byte)123)));
                assertThat(
                        xmlSnapshotService.getChildElementValue(rootEl, "app:someBoolean", Boolean.class), is(Boolean.TRUE));
                assertThat(
                        xmlSnapshotService.getChildElementValue(rootEl, "app:someBoolean2", Boolean.class), is(Boolean.FALSE));
            } finally {
                Locale.setDefault(locale);
            }
        }
    }

    private static Locale lookupLocale(final String language, final String country) {
        Locale[] availableLocales = Locale.getAvailableLocales();
        for (Locale locale : availableLocales) {
            if(locale.getCountry().equals(country) && locale.getLanguage().equals(language)) {
                return locale;
            }
        }
        throw new IllegalArgumentException("no such locale:" + language + "_" + country);
    }

}
