/*   Copyright 2004 The Apache Software Foundation
 *
 *   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
 *
 *       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 scomp.derivation.extension.detailed;

import org.apache.xmlbeans.*;
import org.junit.jupiter.api.Test;
import xbean.scomp.derivation.complexExtension.ChoiceExtensionEltDocument;
import xbean.scomp.derivation.complexExtension.ChoiceExtensionT;
import xbean.scomp.derivation.complexExtension.SequenceExtensionEltDocument;
import xbean.scomp.derivation.complexExtension.SequenceExtensionT;

import java.math.BigInteger;

import static org.junit.jupiter.api.Assertions.*;
import static scomp.common.BaseCase.createOptions;
import static scomp.common.BaseCase.getErrorCodes;

public class ComplexContentExtensionTest {
    @Test
    void testSequenceExtension() throws Throwable {
        SequenceExtensionEltDocument doc = SequenceExtensionEltDocument.Factory.newInstance();
        SequenceExtensionT elt = doc.addNewSequenceExtensionElt();
        elt.setChild1(BigInteger.ONE);
        elt.addChild2("foobar");
        elt.setChild3Array(new BigInteger[]{BigInteger.ONE, BigInteger.ZERO});
        elt.addExtraEltInt(3);
        elt.setExtraEltStrArray(new String[]{"extra1", "extra2"});

        assertEquals(BigInteger.ONE, elt.getChild1());
        assertEquals("foobar", elt.getChild2Array()[0]);
        elt.insertChild2(0, "newfoobar");
        assertEquals("newfoobar", elt.getChild2Array()[0]);

        XmlOptions validateOptions = createOptions();
        assertFalse(doc.validate(validateOptions));
        String[] errExpected = {XmlErrorCodes.ELEM_COMPLEX_TYPE_LOCALLY_VALID$ELEMENT_NOT_ALLOWED};
        assertArrayEquals(errExpected, getErrorCodes(validateOptions));


        elt.removeExtraEltInt(0);
        assertTrue(doc.validate(validateOptions));
        elt.removeExtraEltStr(1);
        assertTrue(elt.validate());
    }

    /**
     * result type is a sequence of 2 choices
     * Valid sets: { (child1 xor child2 xor child3 )(extraEltStr xor extraEltStr) }
     */
    @Test
    void testChoiceExtension() throws Throwable {
        ChoiceExtensionEltDocument doc = ChoiceExtensionEltDocument.Factory.newInstance();
        ChoiceExtensionT elt = doc.addNewChoiceExtensionElt();
        elt.setChild1(new BigInteger("10"));
        elt.addChild2("foobar");
        elt.setChild3Array(new BigInteger[]{BigInteger.ONE, BigInteger.ZERO});
        elt.addExtraEltInt(3);
        elt.setExtraEltStrArray(new String[]{"extra1", "extra2"});
        XmlOptions validateOptions = createOptions();
        assertFalse(doc.validate(validateOptions));
        //TODO: child 2 and child3 not allowed
        //extraEltStr not allowed
        String[] errExpected = {
            XmlErrorCodes.ELEM_COMPLEX_TYPE_LOCALLY_VALID$EXPECTED_DIFFERENT_ELEMENT,
            XmlErrorCodes.ELEM_COMPLEX_TYPE_LOCALLY_VALID$EXPECTED_DIFFERENT_ELEMENT,
            XmlErrorCodes.ELEM_COMPLEX_TYPE_LOCALLY_VALID$ELEMENT_NOT_ALLOWED
        };
        assertArrayEquals(errExpected, getErrorCodes(validateOptions));

        assertEquals(new BigInteger("10"), elt.getChild1());
        assertEquals("foobar", elt.getChild2Array()[0]);
        elt.unsetChild1();

        XmlInteger expected = XmlInteger.Factory.newInstance();
        expected.setBigIntegerValue(BigInteger.ONE);
        assertTrue(expected.valueEquals(elt.xgetChild3Array()[0]));
        elt.removeExtraEltInt(0);
        elt.removeChild2(0);

        validateOptions.getErrorListener().clear();
        assertTrue(doc.validate(validateOptions));

        elt.addExtraEltInt(3);
        expected.setBigIntegerValue(BigInteger.ZERO);
        assertTrue(expected.valueEquals(elt.xgetChild3Array()[1]));
        assertEquals(3, elt.getExtraEltIntArray()[0]);
        assertEquals(3, elt.getExtraEltIntArray(0));

        validateOptions.getErrorListener().clear();
        assertFalse(doc.validate(validateOptions));

        errExpected = new String[]{XmlErrorCodes.ELEM_COMPLEX_TYPE_LOCALLY_VALID$ELEMENT_NOT_ALLOWED};
        assertArrayEquals(errExpected, getErrorCodes(validateOptions));
        elt.removeExtraEltInt(0);
        assertTrue(doc.validate(validateOptions));

        XmlString expected1 = XmlString.Factory.newInstance();
        expected1.setStringValue("extra1");
        assertTrue(expected1.valueEquals(elt.xgetExtraEltStrArray(0)));
        expected1.setStringValue("extra2");
        assertTrue(expected1.valueEquals(elt.xgetExtraEltStrArray()[1]));
    }

    /**
     * The follwing are test for the 'final' attribute used in a base type that affects extenstion/restriction
     * They are negative tests and test for #all, restriction, extenstion and 'extenstion restriction' values
     */
    @Test
    void testFinalAll() throws XmlException {
        String inputXsd =
            "    <xsd:schema xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">\n" +
            "    <xsd:complexType name=\"BaseProductTypeFinalAll\" final=\"#all\">\n" +
            "        <xsd:sequence>\n" +
            "            <xsd:element name=\"number\" type=\"xsd:integer\" />\n" +
            "            <xsd:element name=\"name\" type=\"xsd:string\" minOccurs=\"0\" />\n" +
            "        </xsd:sequence>\n" +
            "    </xsd:complexType>\n" +
            "\n" +
            "    <xsd:complexType name=\"ProductTypeExtension\">\n" +
            "        <xsd:complexContent>\n" +
            "            <xsd:extension base=\"BaseProductTypeFinalAll\">\n" +
            "                <xsd:sequence>\n" +
            "                    <xsd:element name=\"subcategory\" type=\"xsd:string\"/>\n" +
            "                </xsd:sequence>\n" +
            "            </xsd:extension>\n" +
            "        </xsd:complexContent>\n" +
            "    </xsd:complexType>    \n" +
            "\n" +
            "    <xsd:complexType name=\"ProductTypeRestriction\">\n" +
            "        <xsd:complexContent>\n" +
            "            <xsd:restriction base=\"BaseProductTypeFinalAll\">\n" +
            "                <xsd:sequence>\n" +
            "                    <xsd:element name=\"number\" type=\"xsd:integer\"/>\n" +
            "                </xsd:sequence>\n" +
            "            </xsd:restriction>\n" +
            "        </xsd:complexContent>\n" +
            "    </xsd:complexType>    \n" +
            "\n" +
            "    </xsd:schema>";

        XmlOptions validateOptions = createOptions();

        XmlObject xobj = XmlObject.Factory.parse(inputXsd);
        XmlObject[] compInput = new XmlObject[]{xobj};

        // The convention is that the XmlException that gets thrown form XmlBeans.compile* methods always contains
        // just the first error and if you need to see all errors you use XmlOptions.
        // hence checking for error codes is now done with XmlOptions.
        XmlException xme = assertThrows(XmlException.class, () ->
            XmlBeans.compileXmlBeans(null, null, compInput, null, XmlBeans.getBuiltinTypeSystem(), null, validateOptions));
        assertEquals(1, xme.getErrors().size());

        String[] errExpected = {
            XmlErrorCodes.COMPLEX_TYPE_EXTENSION$FINAL,
            XmlErrorCodes.COMPLEX_TYPE_RESTRICTION$FINAL
        };
        assertArrayEquals(errExpected, getErrorCodes(validateOptions));
    }

    @Test
    void testFinalExtension() throws XmlException {
        String inputXsd =
            "    <xsd:schema xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">\n" +
            "    <xsd:complexType name=\"BaseProductTypeFinalExtension\" final=\"extension\">\n" +
            "        <xsd:sequence>\n" +
            "            <xsd:element name=\"number\" type=\"xsd:integer\" />\n" +
            "            <xsd:element name=\"name\" type=\"xsd:string\" minOccurs=\"0\" />\n" +
            "        </xsd:sequence>\n" +
            "    </xsd:complexType>\n" +
            "\n" +
            "    <xsd:complexType name=\"ProductTypeExtension\">\n" +
            "        <xsd:complexContent>\n" +
            "            <xsd:extension base=\"BaseProductTypeFinalExtension\">\n" +
            "                <xsd:sequence>\n" +
            "                    <xsd:element name=\"subcategory\" type=\"xsd:string\"/>\n" +
            "                </xsd:sequence>\n" +
            "            </xsd:extension>\n" +
            "        </xsd:complexContent>\n" +
            "    </xsd:complexType>    \n" +
            "\n" +
            "    </xsd:schema>";

        XmlObject xobj = XmlObject.Factory.parse(inputXsd);
        XmlObject[] compInput = new XmlObject[]{xobj};
        XmlOptions validateOptions = createOptions();

        XmlException xme = assertThrows(XmlException.class, () ->
            XmlBeans.compileXmlBeans(null, null, compInput, null, XmlBeans.getBuiltinTypeSystem(), null, validateOptions));

        assertEquals(xme.getErrors().size(), 1);

        String[] errExpected = {XmlErrorCodes.COMPLEX_TYPE_EXTENSION$FINAL};
        assertArrayEquals(errExpected, getErrorCodes(validateOptions));
    }

    @Test
    void testFinalRestriction() throws XmlException {
        String inputXsd =
            "    <xsd:schema xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">\n" +
            "    <xsd:complexType name=\"BaseProductTypeFinalRestriction\" final=\"restriction\">\n" +
            "        <xsd:sequence>\n" +
            "            <xsd:element name=\"number\" type=\"xsd:integer\" />\n" +
            "            <xsd:element name=\"name\" type=\"xsd:string\" />\n" +
            "        </xsd:sequence>\n" +
            "    </xsd:complexType>\n" +
            "\n" +
            "    <xsd:complexType name=\"ProductTypeRestriction\">\n" +
            "        <xsd:complexContent>\n" +
            "            <xsd:restriction base=\"BaseProductTypeFinalRestriction\">\n" +
            "                <xsd:sequence>\n" +
            "                    <xsd:element name=\"number\" type=\"xsd:integer\"/>\n" +
            "                </xsd:sequence>\n" +
            "            </xsd:restriction>\n" +
            "        </xsd:complexContent>\n" +
            "    </xsd:complexType>    " +
            "    </xsd:schema>";

        XmlObject xobj = XmlObject.Factory.parse(inputXsd);
        XmlObject[] compInput = new XmlObject[]{xobj};
        XmlOptions validateOptions = createOptions();

        XmlException xme = assertThrows(XmlException.class, () ->
            XmlBeans.compileXmlBeans(null, null, compInput, null, XmlBeans.getBuiltinTypeSystem(), null, validateOptions));

        assertEquals(1, xme.getErrors().size());

        String[] errExpected = {
            XmlErrorCodes.COMPLEX_TYPE_RESTRICTION$FINAL,
            XmlErrorCodes.PARTICLE_DERIVATION_RECURSE$UNMAPPED_ARE_EMPTIABLE
        };
        assertArrayEquals(errExpected, getErrorCodes(validateOptions));
    }

    @Test
    void testFinalRestrExt() throws XmlException {
        String inputXsd =
            "    <xsd:schema xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">\n" +
            "    <xsd:complexType name=\"BaseProductTypeFinalAll\" final=\"restriction extension\">\n" +
            "        <xsd:sequence>\n" +
            "            <xsd:element name=\"number\" type=\"xsd:integer\" />\n" +
            "            <xsd:element name=\"name\" type=\"xsd:string\" minOccurs=\"0\" />\n" +
            "        </xsd:sequence>\n" +
            "    </xsd:complexType>\n" +
            "\n" +
            "    <xsd:complexType name=\"ProductTypeExtension\">\n" +
            "        <xsd:complexContent>\n" +
            "            <xsd:extension base=\"BaseProductTypeFinalAll\">\n" +
            "                <xsd:sequence>\n" +
            "                    <xsd:element name=\"subcategory\" type=\"xsd:string\"/>\n" +
            "                </xsd:sequence>\n" +
            "            </xsd:extension>\n" +
            "        </xsd:complexContent>\n" +
            "    </xsd:complexType>    \n" +
            "\n" +
            "    <xsd:complexType name=\"ProductTypeRestriction\">\n" +
            "        <xsd:complexContent>\n" +
            "            <xsd:restriction base=\"BaseProductTypeFinalAll\">\n" +
            "                <xsd:sequence>\n" +
            "                    <xsd:element name=\"number\" type=\"xsd:integer\"/>\n" +
            "                </xsd:sequence>\n" +
            "            </xsd:restriction>\n" +
            "        </xsd:complexContent>\n" +
            "    </xsd:complexType>    \n" +
            "\n" +
            "    </xsd:schema>";

        XmlOptions validateOptions = createOptions();
        XmlObject xobj = XmlObject.Factory.parse(inputXsd);
        XmlObject[] compInput = new XmlObject[]{xobj};

        // The convention is that the XmlException that gets thrown form XmlBeans.compile* methods always contains
        // just the first error and if you need to see all errors you use XmlOptions.
        // hence checking for error codes is now done with XmlOptions.
        XmlException xme = assertThrows(XmlException.class, () ->
            XmlBeans.compileXmlBeans(null, null, compInput, null, XmlBeans.getBuiltinTypeSystem(), null, validateOptions));
        assertEquals(1, xme.getErrors().size());


        String[] errExpected = {
            XmlErrorCodes.COMPLEX_TYPE_EXTENSION$FINAL,
            XmlErrorCodes.COMPLEX_TYPE_RESTRICTION$FINAL
        };
        assertArrayEquals(errExpected, getErrorCodes(validateOptions));
    }
}