/**
 * 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.cxf.jaxrs.ext.search.client;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.TimeZone;

import javax.xml.datatype.DatatypeConfigurationException;
import javax.xml.datatype.DatatypeFactory;
import javax.xml.datatype.Duration;

import org.apache.cxf.jaxrs.ext.search.ConditionType;
import org.apache.cxf.jaxrs.ext.search.SearchUtils;

import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;

public class FiqlSearchConditionBuilderTest extends Assert {
    private static FiqlSearchConditionBuilder b = new FiqlSearchConditionBuilder();
    private static TimeZone tz;
    
    @BeforeClass
    public static void beforeClass() {
        tz = TimeZone.getDefault();
        TimeZone.setDefault(TimeZone.getTimeZone("GMT"));
    }
    
    @AfterClass
    public static void afterClass() {
        // restoring defaults
        TimeZone.setDefault(tz);
    }
    
    
    @Test
    public void testEmptyBuild() {
        assertEquals("", b.query());
    }

    @Test
    public void testEqualToString() {
        String ret = b.is("foo").equalTo("literalOrPattern*").query();
        assertEquals("foo==literalOrPattern*", ret);
    }

    @Test
    public void testEqualToNumber() {
        String ret = b.is("foo").equalTo(123.5).query();
        assertEquals("foo==123.5", ret);
    }
    
    @Test
    public void testEqualToNumberCondition() {
        String ret = b.is("foo").comparesTo(ConditionType.LESS_THAN, 123.5).query();
        assertEquals("foo=lt=123.5", ret);
    }

    private Date parseDate(String format, String value) throws ParseException {
        return new SimpleDateFormat(format).parse(value);
    }
    
    @Test
    public void testEqualToDateDefault() throws ParseException {
        Date d = parseDate(SearchUtils.DEFAULT_DATE_FORMAT, "2011-03-01");
        String ret = b.is("foo").equalTo(d).query();
        assertEquals("foo==2011-03-01", ret);
    }
    
    @Test
    public void testEqualToDateWithCustomFormat() throws ParseException {
        
        Map<String, String> props = new HashMap<String, String>();
        props.put(SearchUtils.DATE_FORMAT_PROPERTY, "yyyy-MM-dd'T'HH:mm:ss");
        props.put(SearchUtils.TIMEZONE_SUPPORT_PROPERTY, "false");
        
        Date d = parseDate("yyyy-MM-dd HH:mm Z", "2011-03-01 12:34 +0000");
        
        FiqlSearchConditionBuilder bCustom = new FiqlSearchConditionBuilder(props);
        
        String ret = bCustom.is("foo").equalTo(d).query();
        assertEquals("foo==2011-03-01T12:34:00", ret);
    }

    @Test
    public void testEqualToDuration() throws ParseException, DatatypeConfigurationException {
        Duration d = DatatypeFactory.newInstance().newDuration(false, 0, 0, 1, 12, 0, 0); 
        String ret = b.is("foo").equalTo(d).query();
        assertEquals("foo==-P0Y0M1DT12H0M0S", ret);
    }

    @Test
    public void testNotEqualToString() {
        String ret = b.is("foo").notEqualTo("literalOrPattern*").query();
        assertEquals("foo!=literalOrPattern*", ret);
    }

    @Test
    public void testNotEqualToNumber() {
        String ret = b.is("foo").notEqualTo(123.5).query();
        assertEquals("foo!=123.5", ret);
    }

    @Test
    public void testNotEqualToDateDefault() throws ParseException {
        Date d = parseDate(SearchUtils.DEFAULT_DATE_FORMAT, "2011-03-01");
        String ret = b.is("foo").notEqualTo(d).query();
        assertEquals("foo!=2011-03-01", ret);
    }

    @Test
    public void testNotEqualToDuration() throws ParseException, DatatypeConfigurationException {
        Duration d = DatatypeFactory.newInstance().newDuration(false, 0, 0, 1, 12, 0, 0); 
        String ret = b.is("foo").notEqualTo(d).query();
        assertEquals("foo!=-P0Y0M1DT12H0M0S", ret);
    }

    @Test
    public void testGreaterThanString() {
        String ret = b.is("foo").lexicalAfter("abc").query();
        assertEquals("foo=gt=abc", ret);
    }

    @Test
    public void testLessThanString() {
        String ret = b.is("foo").lexicalBefore("abc").query();
        assertEquals("foo=lt=abc", ret);
    }

    @Test
    public void testLessOrEqualToString() {
        String ret = b.is("foo").lexicalNotAfter("abc").query();
        assertEquals("foo=le=abc", ret);
    }

    @Test
    public void testGreaterOrEqualToString() {
        String ret = b.is("foo").lexicalNotBefore("abc").query();
        assertEquals("foo=ge=abc", ret);
    }
    
    @Test
    public void testGreaterThanNumberDouble() {
        String ret = b.is("foo").greaterThan(25.0).query();
        assertEquals("foo=gt=25.0", ret);
    }
    
    @Test
    public void testGreaterThanLong() {
        String ret = b.is("foo").greaterThan(25).query();
        assertEquals("foo=gt=25", ret);
    }

    @Test
    public void testLessThanNumber() {
        String ret = b.is("foo").lessThan(25.333).query();
        assertEquals("foo=lt=25.333", ret);
    }

    @Test
    public void testLessOrEqualToNumberDouble() {
        String ret = b.is("foo").lessOrEqualTo(0.0).query();
        assertEquals("foo=le=0.0", ret);
    }
    
    @Test
    public void testLessOrEqualToNumberLong() {
        String ret = b.is("foo").lessOrEqualTo(0).query();
        assertEquals("foo=le=0", ret);
    }

    @Test
    public void testGreaterOrEqualToNumberDouble() {
        String ret = b.is("foo").greaterOrEqualTo(-5.0).query();
        assertEquals("foo=ge=-5.0", ret);
    }
    
    @Test
    public void testGreaterOrEqualToNumberLong() {
        String ret = b.is("foo").greaterOrEqualTo(-5).query();
        assertEquals("foo=ge=-5", ret);
    }

    @Test
    public void testGreaterThanDate() throws ParseException {
        Date d = parseDate(SearchUtils.DEFAULT_DATE_FORMAT, "2011-03-02");
        String ret = b.is("foo").after(d).query();
        assertEquals("foo=gt=2011-03-02", ret);
    }

    @Test
    public void testLessThanDate() throws ParseException {
        Date d = parseDate(SearchUtils.DEFAULT_DATE_FORMAT, "2011-03-02");
        String ret = b.is("foo").before(d).query();
        assertEquals("foo=lt=2011-03-02", ret);
    }

    @Test
    public void testLessOrEqualToDate() throws ParseException {
        Date d = parseDate(SearchUtils.DEFAULT_DATE_FORMAT, "2011-03-02");
        String ret = b.is("foo").notAfter(d).query();
        assertEquals("foo=le=2011-03-02", ret);
    }

    @Test
    public void testGreaterOrEqualToDate() throws ParseException {
        Date d = parseDate(SearchUtils.DEFAULT_DATE_FORMAT, "2011-03-02");
        String ret = b.is("foo").notBefore(d).query();
        assertEquals("foo=ge=2011-03-02", ret);
    }

    @Test
    public void testGreaterThanDuration() throws DatatypeConfigurationException {
        Duration d = DatatypeFactory.newInstance().newDuration(false, 0, 0, 1, 12, 0, 0); 
        String ret = b.is("foo").after(d).query();
        assertEquals("foo=gt=-P0Y0M1DT12H0M0S", ret);
    }

    @Test
    public void testLessThanDuration() throws DatatypeConfigurationException {
        Duration d = DatatypeFactory.newInstance().newDuration(false, 0, 0, 1, 12, 0, 0); 
        String ret = b.is("foo").before(d).query();
        assertEquals("foo=lt=-P0Y0M1DT12H0M0S", ret);
    }

    @Test
    public void testLessOrEqualToDuration() throws DatatypeConfigurationException {
        Duration d = DatatypeFactory.newInstance().newDuration(false, 0, 0, 1, 12, 0, 0); 
        String ret = b.is("foo").notAfter(d).query();
        assertEquals("foo=le=-P0Y0M1DT12H0M0S", ret);
    }

    @Test
    public void testGreaterOrEqualToDuration() throws DatatypeConfigurationException {
        Duration d = DatatypeFactory.newInstance().newDuration(false, 0, 0, 1, 12, 0, 0); 
        String ret = b.is("foo").notBefore(d).query();
        assertEquals("foo=ge=-P0Y0M1DT12H0M0S", ret);
    }
    
    @Test
    public void testOrSimple() {
        String ret = b.is("foo").greaterThan(20).or().is("foo").lessThan(10).query();
        assertEquals("foo=gt=20,foo=lt=10", ret);
    }
    
    @Test
    public void testOrSimpleShortcut() {
        String ret = b.is("foo").greaterThan(20).or("foo").lessThan(10).query();
        assertEquals("foo=gt=20,foo=lt=10", ret);
    }
    
    @Test
    public void testAndSimple() {
        String ret = b.is("foo").greaterThan(20).and().is("bar").equalTo("plonk").query();
        assertEquals("foo=gt=20;bar==plonk", ret);
    }
    
    @Test
    public void testAndSimpleShortcut() {
        String ret = b.is("foo").greaterThan(20).and("bar").equalTo("plonk").query();
        assertEquals("foo=gt=20;bar==plonk", ret);
    }
    
    @Test
    public void testOrComplex() {
        String ret = b.or(b.is("foo").equalTo("aaa"), b.is("bar").equalTo("bbb")).query();
        assertEquals("(foo==aaa,bar==bbb)", ret);
    }    

    @Test
    public void testAndComplex() {
        String ret = b.and(b.is("foo").equalTo("aaa"), b.is("bar").equalTo("bbb")).query();
        assertEquals("(foo==aaa;bar==bbb)", ret);
    }    

    @Test
    public void testComplex1() {
        String ret = b.is("foo").equalTo(123.4).or().and(
            b.is("bar").equalTo("asadf*"), 
            b.is("baz").lessThan(20)).query();
        assertEquals("foo==123.4,(bar==asadf*;baz=lt=20)", ret);
    }

    @Test
    public void testComplex2() {
        String ret = b.is("foo").equalTo(123L).or().is("foo").equalTo("null").and().or(
            b.is("bar").equalTo("asadf*"), 
            b.is("baz").lessThan(20).and().or(
                b.is("sub1").equalTo(0L),
                b.is("sub2").equalTo(0L))).query();
        
        assertEquals("foo==123,foo==null;(bar==asadf*,baz=lt=20;(sub1==0,sub2==0))", ret);
    }
    
    @Test
    public void testOrAndImplicitWrap() {
        String ret = b.is("foo").equalTo(1, 2).and("bar").equalTo("baz").query();
        
        assertEquals("(foo==1,foo==2);bar==baz", ret);
    }
    
    @Test
    public void testMultipleOrShortcut() {
        // alternative to
        // b.is("foo").equalTo(123.4).or().is("foo").equalTo("137.8")
        String ret = b.is("foo").equalTo(123.4, 137.8).query();
        
        assertEquals("foo==123.4,foo==137.8", ret);
    }
    
    @Test
    public void testMultipleOrShortcutWithAnd() {
        // alternative to
        // b.is("foo").equalTo(123.4).or().is("foo").equalTo("137.8")
        String ret = b.is("foo").equalTo(123.4, 137.8).and("bar").equalTo("baz").query();
        
        assertEquals("(foo==123.4,foo==137.8);bar==baz", ret);
    }
    
    @Test
    public void testMultipleOrShortcutWithAnd2() {
        // alternative to
        // b.is("foo").equalTo(123.4).or().is("foo").equalTo("137.8")
        String ret = b.is("foo").equalTo(123.4, 137.8).or("n").equalTo("n1").and("bar").equalTo("baz").query();
        
        assertEquals("(foo==123.4,foo==137.8,n==n1);bar==baz", ret);
    }
}
