/*
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.odftoolkit.simple.text.list;

import java.util.Iterator;
import java.util.logging.Level;
import java.util.logging.Logger;
import junit.framework.Assert;
import org.junit.Test;
import org.odftoolkit.simple.TextDocument;
import org.odftoolkit.simple.table.Cell;
import org.odftoolkit.simple.table.Table;
import org.odftoolkit.simple.text.list.ListDecorator.ListType;
import org.odftoolkit.simple.utils.ResourceUtilities;

public class ListTest {

	private final static String SAMPLE_LIST_DOCUMENT = "testList.odt";
	private String[] numberItemContents = { "number item 1", "number item 2", "number item 3" };

	@Test
	public void testCreateRemoveList() {
		try {
			TextDocument doc = TextDocument.newTextDocument();
			ListDecorator numberDecorator = new NumberDecorator(doc);

			List list1 = new List(doc);
			boolean removeResult = doc.removeList(list1);
			Assert.assertTrue(removeResult);

			List list2 = new List(doc, numberDecorator);
			Assert.assertEquals(ListDecorator.ListType.NUMBER, list2.getType());
			removeResult = doc.removeList(list2);
			Assert.assertTrue(removeResult);

			List list3 = new List(doc, "List Header1", numberDecorator);
			Assert.assertEquals(ListDecorator.ListType.NUMBER, list3.getType());
			removeResult = doc.removeList(list3);
			Assert.assertTrue(removeResult);

			List list4 = doc.addList();
			removeResult = doc.removeList(list4);
			Assert.assertTrue(removeResult);

			List list5 = doc.addList(numberDecorator);
			Assert.assertEquals(ListDecorator.ListType.NUMBER, list5.getType());
			removeResult = doc.removeList(list5);
			Assert.assertTrue(removeResult);
		} catch (Exception e) {
			Logger.getLogger(ListTest.class.getName()).log(Level.SEVERE, null, e);
			Assert.fail(e.getMessage());
		}
	}

	@Test
	public void testIterateList() {
		try {
			// load test list container, which contains 2 lists.
			TextDocument odtdoc = (TextDocument) TextDocument.loadDocument(ResourceUtilities
					.getTestResourceAsStream(SAMPLE_LIST_DOCUMENT));
			Iterator<List> listIterator = odtdoc.getListIterator();
			int i = 0;
			while (listIterator.hasNext()) {
				listIterator.next();
				i++;
			}
			Assert.assertEquals(2, i);

			// add 2 new lists.
			odtdoc.addList();
			List list = odtdoc.addList();
			listIterator = odtdoc.getListIterator();
			i = 0;
			while (listIterator.hasNext()) {
				listIterator.next();
				i++;
			}
			Assert.assertEquals(4, i);

			// remove 1 list.
			odtdoc.removeList(list);
			listIterator = odtdoc.getListIterator();
			i = 0;
			while (listIterator.hasNext()) {
				listIterator.next();
				i++;
			}
			Assert.assertEquals(3, i);

			// remove all of the lists.
			odtdoc.clearList();
			listIterator = odtdoc.getListIterator();
			i = 0;
			while (listIterator.hasNext()) {
				listIterator.next();
				i++;
			}
			Assert.assertEquals(0, i);

		} catch (Exception e) {
			Logger.getLogger(ListTest.class.getName()).log(Level.SEVERE, null, e);
			Assert.fail(e.getMessage());
		}
	}

	@Test
	public void testGetSetHeader() {
		try {
			// load test list container, which contains 2 lists.
			TextDocument odtdoc = (TextDocument) TextDocument.loadDocument(ResourceUtilities
					.getTestResourceAsStream(SAMPLE_LIST_DOCUMENT));
			Iterator<List> listIterator = odtdoc.getListIterator();
			List list;
			if (listIterator.hasNext()) {
				list = listIterator.next();
				Assert.assertEquals("Bullet List Header1\nBullet List Header2", list.getHeader());
			} else {
				Assert.fail("list iterate fail.");
			}

			if (listIterator.hasNext()) {
				list = listIterator.next();
				Assert.assertEquals("Number List Header", list.getHeader());
				String newHeader = "New Header.";
				list.setHeader(newHeader);
				Assert.assertEquals(newHeader, list.getHeader());
			} else {
				Assert.fail("list iterate fail.");
			}
		} catch (Exception e) {
			Logger.getLogger(ListTest.class.getName()).log(Level.SEVERE, null, e);
			Assert.fail(e.getMessage());
		}
	}

	@Test
	public void testGetAddReplaceItems() {
		try {
			// load test list container, which contains 2 lists.
			TextDocument odtdoc = (TextDocument) TextDocument.loadDocument(ResourceUtilities
					.getTestResourceAsStream(SAMPLE_LIST_DOCUMENT));
			Iterator<List> listIterator = odtdoc.getListIterator();
			List list;
			if (listIterator.hasNext()) {
				list = listIterator.next();
				// get item
				ListItem item = list.getItem(0);
				Assert.assertEquals("bullet item1", item.getTextContent());
				item = list.getItem(2);
				Assert.assertEquals("item3 with a bullet list", item.getTextContent());

				// test size
				java.util.List<ListItem> items = list.getItems();
				int size = list.size();
				Assert.assertEquals(4, size);
				Assert.assertEquals(items.size(), size);

				// add item
				ListItem newItem1 = list.addItem(item);
				Assert.assertEquals("item3 with a bullet list", newItem1.getTextContent());
				String itemContent = "new string item";
				newItem1 = list.addItem(itemContent);
				Assert.assertEquals(itemContent, newItem1.getTextContent());
				ListItem newItem2 = list.addItem(4, newItem1);
				Assert.assertEquals(newItem2.getTextContent(), newItem1.getTextContent());
				ListItem newItem3 = list.addItem(4, "itemContent");
				Assert.assertEquals(newItem3.getTextContent(), list.getItem(4).getTextContent());

				// add items
				ListItem[] itemArray = list.getItems().toArray(new ListItem[] {});
				list.addItems(itemArray);
				Assert.assertEquals(itemArray.length * 2, list.size());
				list.addItems(2, itemArray);
				Assert.assertEquals(itemArray[0].getTextContent(), list.getItem(2).getTextContent());
				list.addItems(numberItemContents);
				Assert.assertEquals(itemArray.length * 3 + numberItemContents.length, list.size());
				list.addItems(5, numberItemContents);
				Assert.assertEquals(numberItemContents[1], list.getItem(6).getTextContent());

				// replace item
				ListItem item0 = list.getItem(0);
				ListItem item1 = list.getItem(1);
				Assert.assertTrue(!item0.getTextContent().equals(item1.getTextContent()));
				list.set(1, item0);
				item1 = list.getItem(1);
				Assert.assertEquals(item0.getTextContent(), item1.getTextContent());
				ListItem item2 = list.getItem(2);
				Assert.assertTrue(!"replace content".equals(item2.getTextContent()));
				list.set(2, "replace content");
				item2 = list.getItem(2);
				Assert.assertEquals("replace content", item2.getTextContent());
			} else {
				Assert.fail("list iterate fail.");
			}
		} catch (Exception e) {
			Logger.getLogger(ListTest.class.getName()).log(Level.SEVERE, null, e);
			Assert.fail(e.getMessage());
		}
	}

	@Test
	public void testRemoveItems() {
		try {
			// load test list container, which contains 2 lists.
			TextDocument odtdoc = (TextDocument) TextDocument.loadDocument(ResourceUtilities
					.getTestResourceAsStream(SAMPLE_LIST_DOCUMENT));
			Iterator<List> listIterator = odtdoc.getListIterator();
			List list;
			if (listIterator.hasNext()) {
				list = listIterator.next();
				// remove item
				ListItem item0 = list.getItem(0);
				ListItem item1 = list.getItem(1);
				Assert.assertFalse(item0.getOdfElement() == item1.getOdfElement());
				Assert.assertTrue(list.removeItem(0));
				item0 = list.getItem(0);
				Assert.assertTrue(item0.getOdfElement() == item1.getOdfElement());

				item1 = list.getItem(1);
				Assert.assertFalse(item0.getOdfElement() == item1.getOdfElement());
				list.removeItem(item0);
				item0 = list.getItem(0);
				Assert.assertTrue(item0.getOdfElement() == item1.getOdfElement());

				// remove items
				java.util.List<ListItem> newItems = new java.util.ArrayList<ListItem>();
				newItems.add(list.addItem("new item1"));
				newItems.add(list.addItem("new item2"));
				list.removeItems(newItems);
				Assert.assertTrue(item0.getOdfElement() == list.getItem(0).getOdfElement());
			} else {
				Assert.fail("list iterate fail.");
			}
			if (listIterator.hasNext()) {
				list = listIterator.next();
				Assert.assertTrue(list.size() > 0);
				// clear items
				list.clear();
				Assert.assertTrue(list.size() == 0);
			} else {
				Assert.fail("list iterate fail.");
			}
		} catch (Exception e) {
			Logger.getLogger(ListTest.class.getName()).log(Level.SEVERE, null, e);
			Assert.fail(e.getMessage());
		}
	}

	@Test
	public void testGetListLevel() {
		try {
			// load test list container, which contains 2 lists.
			TextDocument odtdoc = (TextDocument) TextDocument.loadDocument(ResourceUtilities
					.getTestResourceAsStream(SAMPLE_LIST_DOCUMENT));
			Iterator<List> listIterator = odtdoc.getListIterator();
			List list;
			if (listIterator.hasNext()) {
				list = listIterator.next();
				Assert.assertTrue(list.getLevel() == 1);

				// sub list
				ListItem item2 = list.getItem(2);
				List subList = item2.getListIterator().next();
				Assert.assertTrue(subList.getLevel() == 2);
			} else {
				Assert.fail("list iterate fail.");
			}
			// list in cell
			Table table = Table.newTable(odtdoc);
			Cell cell = table.getCellByPosition(0, 0);
			List cellList = cell.addList();
			Assert.assertTrue(cellList.getLevel() == 1);
		} catch (Exception e) {
			Logger.getLogger(ListTest.class.getName()).log(Level.SEVERE, null, e);
			Assert.fail(e.getMessage());
		}
	}

	@Test
	public void testGetSetContinueList() {
		try {
			// load test list container, which contains 2 lists.
			TextDocument odtdoc = (TextDocument) TextDocument.loadDocument(ResourceUtilities
					.getTestResourceAsStream(SAMPLE_LIST_DOCUMENT));
			Iterator<List> listIterator = odtdoc.getListIterator();
			List list1 = null, list2 = null, list3 = null;
			if (listIterator.hasNext()) {
				list1 = listIterator.next();
				list1.setContinueNumbering(true);
				// bullet list can't be continue numbering. should return false.
				Assert.assertFalse(list1.isContinueNumbering());
			} else {
				Assert.fail("list iterate fail.");
			}
			if (listIterator.hasNext()) {
				list2 = listIterator.next();
			} else {
				Assert.fail("list iterate fail.");
			}
			list2.setContinueNumbering(true);
			Assert.assertTrue(list2.isContinueNumbering());
			list3 = odtdoc.addList(new NumberDecorator(odtdoc));
			list3.setContinueList(list1);
			Assert.assertTrue(list3.isContinueNumbering());
			Assert.assertTrue(list3.getContinueList().getOdfElement() == list1.getOdfElement());
		} catch (Exception e) {
			Logger.getLogger(ListTest.class.getName()).log(Level.SEVERE, null, e);
			Assert.fail(e.getMessage());
		}
	}

	@Test
	public void testSetListDecorator() {
		try {
			TextDocument doc = TextDocument.newTextDocument();

			ListDecorator bulletDecorator = new BulletDecorator(doc);
			ListDecorator numberDecorator = new NumberDecorator(doc);
			ListDecorator imageDecorator = new ImageDecorator(doc, ResourceUtilities.getURI("image_list_item.png"));
			ListDecorator outLineDecorator = new OutLineDecorator(doc);
			String[] subItemContents = { "sub list item 1", "sub list item 2", "sub list item 3" };

			doc.newParagraph(" ");
			doc.newParagraph("Bullet List:");
			List bulletList = doc.addList(bulletDecorator);
			bulletList.setHeader("Bullet List Header1\nBullet List Header2");
			bulletList.addItem("bullet item1");
			bulletList.addItem("bullet item2");
			ListItem item = bulletList.addItem("item3 with a bullet list");
			List subList = item.addList();
			subList.addItems(subItemContents);
			bulletList.addItem("bullet item4");
			Assert.assertEquals(ListType.BULLET, bulletList.getType());

			doc.newParagraph(" ");
			doc.newParagraph("Number List:");
			List numberList = doc.addList(numberDecorator);
			numberList.setHeader("Number List Header");
			numberList.addItem("number item1");
			item = numberList.addItem("number item2");
			subList = item.addList(numberDecorator);
			subList.addItems(subItemContents);
			numberList.addItem("number item3");
			Assert.assertEquals(ListType.NUMBER, numberList.getType());
			numberList.setDecorator(bulletDecorator);
			Assert.assertEquals(ListType.BULLET, numberList.getType());

			doc.newParagraph(" ");
			doc.newParagraph("Image List:");
			List imageList = doc.addList(imageDecorator);
			item = imageList.addItem("image item1");
			subList = item.addList(imageDecorator);
			subList.addItems(subItemContents);
			imageList.addItem("image item2");
			imageList.addItem("image item3");
			Assert.assertEquals(ListType.IMAGE, imageList.getType());
			imageList.setDecorator(numberDecorator);
			Assert.assertEquals(ListType.NUMBER, imageList.getType());

			doc.newParagraph(" ");
			doc.newParagraph("Outline List:");
			List outLineList = doc.addList(outLineDecorator);
			addOutLineItem(outLineList, "", 10, outLineDecorator);
			Assert.assertEquals(ListType.NUMBER, outLineList.getType());
			outLineList.setDecorator(imageDecorator);
			Assert.assertEquals(ListType.IMAGE, outLineList.getType());
			doc.save(ResourceUtilities.newTestOutputFile("ListOutput.odt"));
		} catch (Exception e) {
			Logger.getLogger(ListTest.class.getName()).log(Level.SEVERE, null, e);
			Assert.fail(e.getMessage());
		}
	}


	@Test
	public void testSetExtendedNumberedListDecorator() {
		try {
			TextDocument doc = TextDocument.newTextDocument();

			String[] subItemContents = { "sub list item 1", "sub list item 2", "sub list item 3" };

			doc.newParagraph(" ");
			doc.newParagraph("Alpha lower List Example:");
			List alphaLwrList = doc.addList(new NumberedAlphaLowerDecorator(doc));
			alphaLwrList.setHeader("Alpha lower List");
			for (String listitem : subItemContents)
			{
			    alphaLwrList.addItem(listitem);
			}
			Assert.assertEquals(ListType.NUMBER, alphaLwrList.getType());

			doc.newParagraph(" ");
			doc.newParagraph("Alpha upper List Example:");
			List alphaUprList = doc.addList(new NumberedAlphaUpperDecorator(doc));
			alphaUprList.setHeader("Alpha upper List");
			for (String listitem : subItemContents)
			{
			    alphaUprList.addItem(listitem);
			}

			Assert.assertEquals(ListType.NUMBER, alphaUprList.getType());


			doc.newParagraph(" ");
			doc.newParagraph("Greek lower List Example:");
			List greekLwrList = doc.addList(new NumberedGreekLowerDecorator(doc));
			greekLwrList.setHeader("Greek lower List");
			for (String listitem : subItemContents)
			{
			    greekLwrList.addItem(listitem);
			}

			Assert.assertEquals(ListType.NUMBER, greekLwrList.getType());


			doc.newParagraph(" ");
			doc.newParagraph("Roman lower List Example:");
			List romanLwrList = doc.addList(new NumberedRomanLowerDecorator(doc));
			romanLwrList.setHeader("Roman lower List");
			for (String listitem : subItemContents)
			{
			    romanLwrList.addItem(listitem);
			}

			Assert.assertEquals(ListType.NUMBER, romanLwrList.getType());


			doc.newParagraph(" ");
			doc.newParagraph("Roman upper List Example:");
			List romanUprList = doc.addList(new NumberedRomanUpperDecorator(doc));
			romanUprList.setHeader("Roman upper List");
			for (String listitem : subItemContents)
			{
			    romanUprList.addItem(listitem);
			}

			Assert.assertEquals(ListType.NUMBER, romanUprList.getType());


			doc.save(ResourceUtilities.newTestOutputFile("NumberedListOutput.odt"));
		} catch (Exception e) {
			Logger.getLogger(ListTest.class.getName()).log(Level.SEVERE, null, e);
			Assert.fail(e.getMessage());
		}
	}


	@Test
	public void testSetExtendedBulletListDecorator() {
		try {
			TextDocument doc = TextDocument.newTextDocument();

			String[] subItemContents = { "sub list item 1", "sub list item 2", "sub list item 3" };

			doc.newParagraph(" ");
			doc.newParagraph("Bullet List Example:");
			List bulletList = doc.addList(new BulletDecorator(doc));
			bulletList.setHeader("Bullet List");
			for (String listitem : subItemContents)
			{
			    bulletList.addItem(listitem);
			}
			Assert.assertEquals(ListType.BULLET, bulletList.getType());

			doc.newParagraph(" ");
			doc.newParagraph("Disc List Example:");
			List discList = doc.addList(new DiscDecorator(doc));
			discList.setHeader("Disc List");
			for (String listitem : subItemContents)
			{
			    discList.addItem(listitem);
			}

			Assert.assertEquals(ListType.BULLET, discList.getType());


			doc.newParagraph(" ");
			doc.newParagraph("Square List Example:");
			List squareList = doc.addList(new SquareDecorator(doc));
			squareList.setHeader("Square List");
			for (String listitem : subItemContents)
			{
			    squareList.addItem(listitem);
			}

			Assert.assertEquals(ListType.BULLET, squareList.getType());

			doc.save(ResourceUtilities.newTestOutputFile("BulletListOutput.odt"));
		} catch (Exception e) {
			Logger.getLogger(ListTest.class.getName()).log(Level.SEVERE, null, e);
			Assert.fail(e.getMessage());
		}
	}

	private void addOutLineItem(List list, String itemPrefix, int listlevel, ListDecorator decorator) {
		if (listlevel == 0) {
			return;
		} else {
			for (int i = 0; i < listlevel; i++) {
				String itemPrefix2 = itemPrefix + (i + 1) + ".";
				ListItem item = list.addItem("list item " + itemPrefix2);
				List newList = item.addList(decorator);
				addOutLineItem(newList, itemPrefix2, i, decorator);
			}
		}
	}
}