/* ====================================================================
   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.poi.hpbf.model;

import static org.apache.poi.POITestCase.assertStartsWith;
import static org.apache.poi.POITestCase.assertEndsWith;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.io.IOException;

import org.apache.poi.POIDataSamples;
import org.apache.poi.hpbf.HPBFDocument;
import org.apache.poi.hpbf.model.qcbits.QCPLCBit.Type0;
import org.apache.poi.hpbf.model.qcbits.QCPLCBit.Type12;
import org.apache.poi.hpbf.model.qcbits.QCPLCBit.Type4;
import org.apache.poi.hpbf.model.qcbits.QCPLCBit.Type8;
import org.apache.poi.hpbf.model.qcbits.QCTextBit;
import org.junit.jupiter.api.Test;

public final class TestQuillContents {
    private static final POIDataSamples _samples = POIDataSamples.getPublisherInstance();

    @Test
    void testBasics() throws IOException {
        HPBFDocument doc = new HPBFDocument(
            _samples.openResourceAsStream("Sample.pub")
        );

        QuillContents qc = doc.getQuillContents();
        assertEquals(20, qc.getBits().length);
        for(int i=0; i<19; i++) {
            assertNotNull(qc.getBits()[i]);
        }
        // Last one is blank
        assertNull(qc.getBits()[19]);

        // Should be text, then three STSHs
        assertEquals("TEXT", qc.getBits()[0].getThingType());
        assertEquals("TEXT", qc.getBits()[0].getBitType());
        assertEquals(0, qc.getBits()[0].getOptA());

        assertEquals("STSH", qc.getBits()[1].getThingType());
        assertEquals("STSH", qc.getBits()[1].getBitType());
        assertEquals(0, qc.getBits()[1].getOptA());

        assertEquals("STSH", qc.getBits()[2].getThingType());
        assertEquals("STSH", qc.getBits()[2].getBitType());
        assertEquals(1, qc.getBits()[2].getOptA());

        assertEquals("STSH", qc.getBits()[3].getThingType());
        assertEquals("STSH", qc.getBits()[3].getBitType());
        assertEquals(2, qc.getBits()[3].getOptA());

        doc.close();
    }

    @Test
    void testText() throws IOException {
        HPBFDocument doc = new HPBFDocument(
                _samples.openResourceAsStream("Sample.pub")
        );

        QuillContents qc = doc.getQuillContents();
        assertEquals(20, qc.getBits().length);

        QCTextBit text = (QCTextBit)qc.getBits()[0];
        String t = text.getText();
        assertStartsWith(t, "This is some text on the first page");
        assertEndsWith(t, "Within doc to page 1\r");

      doc.close();
    }

    @Test
    void testPLC() throws IOException {
        HPBFDocument doc = new HPBFDocument(
                _samples.openResourceAsStream("Simple.pub")
        );

        QuillContents qc = doc.getQuillContents();
        assertEquals(20, qc.getBits().length);

        assertTrue(qc.getBits()[9] instanceof Type4);
        assertTrue(qc.getBits()[10] instanceof Type4);
        assertTrue(qc.getBits()[12] instanceof Type8);

        Type4 plc9 = (Type4)qc.getBits()[9];
        Type4 plc10 = (Type4)qc.getBits()[10];
        Type8 plc12 = (Type8)qc.getBits()[12];


        assertEquals(1, plc9.getNumberOfPLCs());
        assertEquals(4, plc9.getPreData().length);
        assertEquals(1, plc9.getPlcValA().length);
        assertEquals(1, plc9.getPlcValB().length);

        assertEquals(0, plc9.getPreData()[0]);
        assertEquals(0, plc9.getPreData()[1]);
        assertEquals(0, plc9.getPreData()[2]);
        assertEquals(0, plc9.getPreData()[3]);
        assertEquals(0x356, plc9.getPlcValA()[0]);
        assertEquals(0x600, plc9.getPlcValB()[0]);


        assertEquals(1, plc10.getNumberOfPLCs());
        assertEquals(4, plc10.getPreData().length);
        assertEquals(1, plc10.getPlcValA().length);
        assertEquals(1, plc10.getPlcValB().length);

        assertEquals(0, plc10.getPreData()[0]);
        assertEquals(0, plc10.getPreData()[1]);
        assertEquals(0, plc10.getPreData()[2]);
        assertEquals(0, plc10.getPreData()[3]);
        assertEquals(0x356, plc10.getPlcValA()[0]);
        assertEquals(0x800, plc10.getPlcValB()[0]);

        assertEquals(2, plc12.getNumberOfPLCs());
        assertEquals(7, plc12.getPreData().length);
        assertEquals(2, plc12.getPlcValA().length);
        assertEquals(2, plc12.getPlcValB().length);

        assertEquals(0xff, plc12.getPreData()[0]);
        assertEquals(0, plc12.getPreData()[1]);
        assertEquals(0x3d, plc12.getPreData()[2]);
        assertEquals(0, plc12.getPreData()[3]);
        assertEquals(0x6e, plc12.getPreData()[4]);
        assertEquals(0, plc12.getPreData()[5]);
        assertEquals(0, plc12.getPreData()[6]);
        assertEquals(0xa0000, plc12.getPlcValA()[0]);
        assertEquals(0x22000000, plc12.getPlcValB()[0]);
        assertEquals(0x05, plc12.getPlcValA()[1]);
        assertEquals(0x04, plc12.getPlcValB()[1]);

        doc.close();
    }

    @SuppressWarnings("unused")
    @Test
    void testComplexPLC() throws IOException {
        HPBFDocument doc = new HPBFDocument(
                _samples.openResourceAsStream("Sample.pub")
        );

        QuillContents qc = doc.getQuillContents();
        assertEquals(20, qc.getBits().length);

        assertTrue(qc.getBits()[10] instanceof Type4);
        assertTrue(qc.getBits()[11] instanceof Type4);
        assertTrue(qc.getBits()[13] instanceof Type0);
        assertTrue(qc.getBits()[14] instanceof Type12);
        assertTrue(qc.getBits()[15] instanceof Type12);
        assertTrue(qc.getBits()[16] instanceof Type8);

        Type4 plc10 = (Type4)qc.getBits()[10];
        Type4 plc11 = (Type4)qc.getBits()[11];
        Type0 plc13 = (Type0)qc.getBits()[13];
        Type12 plc14 = (Type12)qc.getBits()[14];
        Type12 plc15 = (Type12)qc.getBits()[15];
        Type8 plc16 = (Type8)qc.getBits()[16];


        assertEquals(1, plc10.getNumberOfPLCs());
        assertEquals(4, plc10.getPreData().length);
        assertEquals(1, plc10.getPlcValA().length);
        assertEquals(1, plc10.getPlcValB().length);

        assertEquals(0, plc10.getPreData()[0]);
        assertEquals(0, plc10.getPreData()[1]);
        assertEquals(0, plc10.getPreData()[2]);
        assertEquals(0, plc10.getPreData()[3]);
        assertEquals(0x5d0, plc10.getPlcValA()[0]);
        assertEquals(0x800, plc10.getPlcValB()[0]);


        assertEquals(2, plc11.getNumberOfPLCs());
        assertEquals(4, plc11.getPreData().length);
        assertEquals(2, plc11.getPlcValA().length);
        assertEquals(2, plc11.getPlcValB().length);

        assertEquals(0, plc11.getPreData()[0]);
        assertEquals(0, plc11.getPreData()[1]);
        assertEquals(0, plc11.getPreData()[2]);
        assertEquals(0, plc11.getPreData()[3]);
        assertEquals(0x53a, plc11.getPlcValA()[0]);
        assertEquals(0x5d0, plc11.getPlcValB()[0]);
        assertEquals(0xa00, plc11.getPlcValA()[1]);
        assertEquals(0xc00, plc11.getPlcValB()[1]);


        assertEquals(5, plc13.getNumberOfPLCs());
        assertEquals(4, plc13.getPreData().length);
        assertEquals(5, plc13.getPlcValA().length);
        assertEquals(5, plc13.getPlcValB().length);

        assertEquals(0xff00, plc13.getPreData()[0]);
        assertEquals(0, plc13.getPreData()[1]);
        assertEquals(0xf, plc13.getPreData()[2]);
        assertEquals(0, plc13.getPreData()[3]);
        assertEquals(0x19, plc13.getPlcValA()[0]);
        assertEquals(0x00, plc13.getPlcValB()[0]);
        assertEquals(0x27, plc13.getPlcValA()[1]);
        assertEquals(0x00, plc13.getPlcValB()[1]);
        assertEquals(0x36, plc13.getPlcValA()[2]);
        assertEquals(0x00, plc13.getPlcValB()[2]);
        assertEquals(0x42, plc13.getPlcValA()[3]);
        assertEquals(0x00, plc13.getPlcValB()[3]);
        assertEquals(0x50, plc13.getPlcValA()[4]);
        assertEquals(0x00, plc13.getPlcValB()[4]);


        // TODO - test the type 12s


        assertEquals(6, plc16.getNumberOfPLCs());
        assertEquals(7, plc16.getPreData().length);
        assertEquals(6, plc16.getPlcValA().length);
        assertEquals(6, plc16.getPlcValB().length);

        assertEquals(0xff, plc16.getPreData()[0]);
        assertEquals(0, plc16.getPreData()[1]);
        assertEquals(0x56, plc16.getPreData()[2]);
        assertEquals(0, plc16.getPreData()[3]);
        assertEquals(0x62, plc16.getPreData()[4]);
        assertEquals(0, plc16.getPreData()[5]);
        assertEquals(0x3e, plc16.getPreData()[6]);
        assertEquals(0x500000, plc16.getPlcValA()[0]);
        assertEquals(0x570000, plc16.getPlcValB()[0]);
        assertEquals(0x4b0000, plc16.getPlcValA()[1]);
        assertEquals(0x000000, plc16.getPlcValB()[1]);
        assertEquals(0x0a0000, plc16.getPlcValA()[2]);
        assertEquals(0x22000000, plc16.getPlcValB()[2]);
        assertEquals(0x000005, plc16.getPlcValA()[3]);
        assertEquals(0x000004, plc16.getPlcValB()[3]);
        assertEquals(0x000004, plc16.getPlcValA()[4]);
        assertEquals(0x000004, plc16.getPlcValB()[4]);
        assertEquals(0x000004, plc16.getPlcValA()[5]);
        assertEquals(0x000004, plc16.getPlcValB()[5]);

      doc.close();
    }

    @Test
    void testNoHyperlinks() throws IOException {
        HPBFDocument doc = new HPBFDocument(
                _samples.openResourceAsStream("SampleNewsletter.pub")
        );

        QuillContents qc = doc.getQuillContents();
        assertEquals(20, qc.getBits().length);

        Type12 plc18 = (Type12)qc.getBits()[18];

        assertEquals(1, plc18.getNumberOfPLCs());
        assertEquals(0, plc18.getNumberOfHyperlinks());
        assertEquals(0, plc18.getTextStartAt(0));
        assertEquals(601, plc18.getAllTextEndAt());

      doc.close();
    }

    @Test
    void testSimpleHyperlink() throws IOException {
        HPBFDocument doc;
        QuillContents qc;
        Type12 hlBit;

        // Link at 10
        doc = new HPBFDocument(
                _samples.openResourceAsStream("LinkAt10.pub")
        );
        qc = doc.getQuillContents();

        hlBit = (Type12)qc.getBits()[12];
        assertEquals(1, hlBit.getNumberOfPLCs());
        assertEquals(1, hlBit.getNumberOfHyperlinks());

        assertEquals(10, hlBit.getTextStartAt(0));
        assertEquals(15, hlBit.getAllTextEndAt());
        assertEquals("http://poi.apache.org/", hlBit.getHyperlink(0));
        doc.close();

        // Longer link at 10
        doc = new HPBFDocument(
                _samples.openResourceAsStream("LinkAt10Longer.pub")
        );
        qc = doc.getQuillContents();

        hlBit = (Type12)qc.getBits()[12];
        assertEquals(1, hlBit.getNumberOfPLCs());
        assertEquals(1, hlBit.getNumberOfHyperlinks());

        assertEquals(10, hlBit.getTextStartAt(0));
        assertEquals(15, hlBit.getAllTextEndAt());
        assertEquals("http://poi.apache.org/hpbf/", hlBit.getHyperlink(0));
        doc.close();

        // Link at 20
        doc = new HPBFDocument(
                _samples.openResourceAsStream("LinkAt20.pub")
        );
        qc = doc.getQuillContents();

        hlBit = (Type12)qc.getBits()[12];
        assertEquals(1, hlBit.getNumberOfPLCs());
        assertEquals(1, hlBit.getNumberOfHyperlinks());

        assertEquals(20, hlBit.getTextStartAt(0));
        assertEquals(25, hlBit.getAllTextEndAt());
        assertEquals("http://poi.apache.org/", hlBit.getHyperlink(0));
        doc.close();
    }

    @Test
    void testManyHyperlinks() throws IOException {
        HPBFDocument doc;
        QuillContents qc;
        Type12 hlBit;

        // Link at 10
        doc = new HPBFDocument(
                _samples.openResourceAsStream("LinkAt10.pub")
        );
        qc = doc.getQuillContents();

        hlBit = (Type12)qc.getBits()[12];
        assertEquals(1, hlBit.getNumberOfPLCs());
        assertEquals(1, hlBit.getNumberOfHyperlinks());

        assertEquals(10, hlBit.getTextStartAt(0));
        assertEquals(15, hlBit.getAllTextEndAt());
        assertEquals("http://poi.apache.org/", hlBit.getHyperlink(0));

      doc.close();
    }

    @Test
    void testHyperlinkDifferentVersions() throws IOException {
        HPBFDocument doc;
        QuillContents qc;
        Type12 hlBitA;
        Type12 hlBitB;

        // Latest version
        doc = new HPBFDocument(
                _samples.openResourceAsStream("Sample.pub")
        );
        qc = doc.getQuillContents();

        hlBitA = (Type12)qc.getBits()[14];
        assertEquals(2, hlBitA.getNumberOfPLCs());
        assertEquals(2, hlBitA.getNumberOfHyperlinks());

        assertEquals(25, hlBitA.getTextStartAt(0));
        assertEquals(72, hlBitA.getTextStartAt(1));
        assertEquals(87, hlBitA.getAllTextEndAt());
        assertEquals("http://poi.apache.org/", hlBitA.getHyperlink(0));
        assertEquals("C:\\Documents and Settings\\Nick\\My Documents\\Booleans.xlsx", hlBitA.getHyperlink(1));

        hlBitB = (Type12)qc.getBits()[15];
        assertEquals(3, hlBitB.getNumberOfPLCs());
        assertEquals(3, hlBitB.getNumberOfHyperlinks());

        assertEquals(27, hlBitB.getTextStartAt(0));
        assertEquals(37, hlBitB.getTextStartAt(1));
        assertEquals(54, hlBitB.getTextStartAt(2));
        assertEquals(75, hlBitB.getAllTextEndAt());
        assertEquals("", hlBitB.getHyperlink(0));
        assertEquals("mailto:dev@poi.apache.org?subject=HPBF", hlBitB.getHyperlink(1));
        assertEquals("mailto:dev@poi.apache.org?subject=HPBF", hlBitB.getHyperlink(2));
        doc.close();

        // 2000 version
        doc = new HPBFDocument(
                _samples.openResourceAsStream("Sample2000.pub")
        );
        qc = doc.getQuillContents();

        hlBitA = (Type12)qc.getBits()[13];
        assertEquals(2, hlBitA.getNumberOfPLCs());
        assertEquals(2, hlBitA.getNumberOfHyperlinks());

        assertEquals(25, hlBitA.getTextStartAt(0));
        assertEquals(72, hlBitA.getTextStartAt(1));
        assertEquals(87, hlBitA.getAllTextEndAt());
        assertEquals("http://poi.apache.org/", hlBitA.getHyperlink(0));
        assertEquals("C:\\Documents and Settings\\Nick\\My Documents\\Booleans.xlsx", hlBitA.getHyperlink(1));

        hlBitB = (Type12)qc.getBits()[14];
        assertEquals(3, hlBitB.getNumberOfPLCs());
        assertEquals(3, hlBitB.getNumberOfHyperlinks());

        assertEquals(27, hlBitB.getTextStartAt(0));
        assertEquals(37, hlBitB.getTextStartAt(1));
        assertEquals(54, hlBitB.getTextStartAt(2));
        assertEquals(75, hlBitB.getAllTextEndAt());
        assertEquals("", hlBitB.getHyperlink(0));
        assertEquals("mailto:dev@poi.apache.org?subject=HPBF", hlBitB.getHyperlink(1));
        assertEquals("mailto:dev@poi.apache.org?subject=HPBF", hlBitB.getHyperlink(2));
        doc.close();

        // 98 version
        doc = new HPBFDocument(
                _samples.openResourceAsStream("Sample98.pub")
        );
        qc = doc.getQuillContents();

        hlBitA = (Type12)qc.getBits()[13];
        assertEquals(2, hlBitA.getNumberOfPLCs());
        assertEquals(2, hlBitA.getNumberOfHyperlinks());

        assertEquals(25, hlBitA.getTextStartAt(0));
        assertEquals(72, hlBitA.getTextStartAt(1));
        assertEquals(87, hlBitA.getAllTextEndAt());
        assertEquals("http://poi.apache.org/", hlBitA.getHyperlink(0));
        assertEquals("C:\\Documents and Settings\\Nick\\My Documents\\Booleans.xlsx", hlBitA.getHyperlink(1));

        hlBitB = (Type12)qc.getBits()[14];
        assertEquals(3, hlBitB.getNumberOfPLCs());
        assertEquals(3, hlBitB.getNumberOfHyperlinks());

        assertEquals(27, hlBitB.getTextStartAt(0));
        assertEquals(37, hlBitB.getTextStartAt(1));
        assertEquals(54, hlBitB.getTextStartAt(2));
        assertEquals(75, hlBitB.getAllTextEndAt());
        assertEquals("", hlBitB.getHyperlink(0));
        assertEquals("mailto:dev@poi.apache.org?subject=HPBF", hlBitB.getHyperlink(1));
        assertEquals("mailto:dev@poi.apache.org?subject=HPBF", hlBitB.getHyperlink(2));
        doc.close();
    }
}