EDIT

/**

* Copyright (C) 2011 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.dataportal.elements;

import static org.junit.Assert.assertEquals;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import org.openqa.selenium.By;

import org.openqa.selenium.JavascriptExecutor;

import org.openqa.selenium.NoSuchElementException;

import org.openqa.selenium.WebDriver;

import org.openqa.selenium.WebElement;

/**

 * @author andreas

 * @since Jul 4, 2011

 *

 */

public class FeatureBlock extends DrupalBlock {

    /**

     * JQuery Selector for footnotekeys

     */

    private static final String SELECTOR_FOOTNOTE_KEY = "span.footnote-key a";

    /**

     * JQuery Selector for footnotes

     */

    private static final String SELECTOR_FOOTNOTE = "span.footnote";

    private final WebDriver driver;

    private List<BaseElement> originalSources = null;

    private String featureType = null;

    private final String[] elementTags;

    private final List<WebElement> descriptionItemElements;

    private WebElement titleElement;

    private WebElement contentContainer;

    /**

     *

     * @param index 0 based

     */

    public LinkElement getFootNoteKey(int index) {

        WebElement footNoteKeyElement = jsGetElement(SELECTOR_FOOTNOTE_KEY, index);

        if(footNoteKeyElement != null) {

            return new LinkElement(footNoteKeyElement);

        } else {

            return null;

        }

    }

    public boolean hasFootNoteKeys() {

        return countFootNoteKeys() > 0;

    }

    public long countFootNoteKeys() {

        return jsCountElements(SELECTOR_FOOTNOTE_KEY);

    }

    /**

     *

     * @param index 0 based

     */

    public BaseElement getFootNote(int index) {

        WebElement footNoteElement = jsGetElement(SELECTOR_FOOTNOTE, index);

        if(footNoteElement != null) {

            return new BaseElement(footNoteElement);

        } else {

            return null;

        }

    }

    public long countFootNotes() {

        return jsCountElements(SELECTOR_FOOTNOTE);

    }

    public boolean hasFootNotes() {

        return countFootNotes() > 0;

    }

    public List<BaseElement> getOriginalSourcesSections() {

        if(originalSources == null) {

            initSources();

        }

        return originalSources;

    }

    public DescriptionElementRepresentation getDescriptionElement(int index) {

        WebElement descriptionElement = descriptionItemElements.get(index);

        if(descriptionElement != null) {

            if(elementTags.length > 1){

                // it is a multipart element e.g. <dt></dt><dd></dd>

                return new MultipartDescriptionElementRepresentation(

                        descriptionItemElements.toArray(new WebElement[descriptionItemElements.size()]));

            } else {

                return new DescriptionElementRepresentation(descriptionElement);

            }

        }

        return null;

    }

    public String getFeatureType() {

        return featureType;

    }

    public WebElement getTitle() {

        return titleElement;

    }

    @Override

    public WebElement getContent() {

        return contentContainer;

    }

    public FeatureBlock(WebDriver driver, WebElement element, String enclosingTag, String ... elementTags) {

        super(element);

//        logger.setLevel(Level.TRACE);

        logger.trace("FeatureBlock() - constructor after super()");

        this.driver = driver;

        this.elementTags = elementTags;

        titleElement =  element.findElement(By.className("title"));

        contentContainer = element.findElement(By.className("content"));

        WebElement descriptionElementsRepresentation =  element.findElement(By.className("feature-block-elements"));

        featureType = descriptionElementsRepresentation.getAttribute("id");

        //TODO throw exception instead of making an assertion! selenium should have appropriate exceptions

        assertEquals("Unexpected tag enclosing description element representations", enclosingTag, descriptionElementsRepresentation.getTagName());

        logger.trace("FeatureBlock() - loading all elements ...");

        descriptionItemElements = new ArrayList<WebElement>();

        if(elementTags.length > 1){

            // handle multipart elements e.g. <dt></dt><dd></dd>

            HashMap<String, List<WebElement>> elementsByTag = new HashMap<String, List<WebElement>>();

            Integer lastSize = null;

            for (String elementTag : elementTags) {

                List<WebElement> foundElements = descriptionElementsRepresentation.findElements(By.tagName(elementTag));

                if(lastSize != null && foundElements.size() != lastSize){

                    throw new NoSuchElementException("Mulitpart element lists differ in size");

                }

                lastSize = foundElements.size();

                elementsByTag.put(elementTag, foundElements);

            }

            for (int descriptionElementIndex = 0; descriptionElementIndex < lastSize; descriptionElementIndex++){

                for (String elementTag : elementTags) {

                    descriptionItemElements.add(elementsByTag.get(elementTag).get(descriptionElementIndex));

                }

//                descriptionElements.add(new MultipartDescriptionElementRepresentation(descriptionItemElements.toArray(new WebElement[descriptionItemElements.size()])));

            }

        } else {

            // handle single elements

            String elementTag = elementTags[0];

            for(WebElement el : descriptionElementsRepresentation.findElements(By.tagName( elementTag ))) {

                descriptionItemElements.add(el);

//                descriptionElements.add(new DescriptionElementRepresentation(el));

            }

        }

        logger.trace("FeatureBlock() - loading all elements DONE");

    }

    private Long jsCountElements(String jQuerySelector) {

        if(driver instanceof JavascriptExecutor) {

            String blockId = getElement().getAttribute("id");

            if(!blockId.startsWith("block-cdm-dataportal-feature-")) {

                throw new IllegalStateException("The block with id " + blockId + " is not a proper feature block");

            }

            // NOTE: jQuery(document).ready() must not be used here, otherwise

            // the executeScript() function will return null

            String js = "var elementCnt = jQuery('#" + blockId + "')."

                    + "    find('" + jQuerySelector + "').length;"

//                    + "  // console.log('count is ' + elementCnt);"

                    + "return elementCnt;";

            Object resultO  = ((JavascriptExecutor) driver).executeScript(js);

            logger.debug("FootNoteKeys count is " + resultO);

            if(resultO !=  null) {

                return Long.valueOf(resultO.toString());

            }

            return null;

        }

        throw new IllegalStateException("The driver must be a JavascriptExecutor");

    }

    private WebElement jsGetElement(String jQuerySelector, int elementIndex) {

        if(driver instanceof JavascriptExecutor) {

            String blockId = getElement().getAttribute("id");

            if(!blockId.startsWith("block-cdm-dataportal-feature-")) {

                throw new IllegalStateException("The block with id " + blockId + " is not a proper feature block");

            }

            // NOTE: jQuery(document).ready() must not be used here, otherwise

            // the executeScript() function will return null

            String js = "var elements = jQuery('#" + blockId + "')."

                            + "   find('" + jQuerySelector + "');"

//                            + "console.log(elements.length);"

                            + "return elements[" + elementIndex +"];";

            Object resultO  = ((JavascriptExecutor) driver).executeScript(js);

            logger.debug("FootNoteKeys count is " + resultO);

            if(resultO instanceof WebElement) {

                return (WebElement)resultO;

            }

            if(resultO instanceof List) {

                throw new IllegalStateException("The selector '" + jQuerySelector + "' matches multiple elements, this is not allowed.");

            }

            return null;

        }

        throw new IllegalStateException("The driver must be a JavascriptExecutor");

    }

    private void initSources() {

        originalSources = new ArrayList<BaseElement>();

        List<WebElement> sourcesList = getElement().findElements(By.className("sources"));

        for(WebElement source : sourcesList) {

            originalSources.add(new BaseElement(source));

        }

    }

    /**

     * @param indent TODO

     * @param computedFontSize TODO

     * @param expectedCssDisplay TODO

     * @param expectedListStyleType only applies if cssDisplay equals list-item

     * @param expectedListStylePosition only applies if cssDisplay equals list-item

     * @param expectedListStyleImage only applies if cssDisplay equals list-item

     */

    public void testDescriptionElementLayout(int descriptionElementId, int indent, int computedFontSize

            , String expectedCssDisplay, String expectedListStyleType, String expectedListStylePosition, String expectedListStyleImage) {

        DescriptionElementRepresentation firstDescriptionElement = getDescriptionElement(descriptionElementId);

        if(firstDescriptionElement instanceof MultipartDescriptionElementRepresentation){

            int multipartElementIndex = 0;

            firstDescriptionElement = ((MultipartDescriptionElementRepresentation)firstDescriptionElement).multipartElements.get(multipartElementIndex);

        }

        int parentX = getElement().getLocation().getX();

        int elementX = firstDescriptionElement.getElement().getLocation().getX();

        double elementPadLeft = pxSizeToDouble(firstDescriptionElement.getElement().getCssValue("padding-left"));

        assertEquals(indent, elementX - parentX + elementPadLeft, PIXEL_TOLERANCE);

        assertEquals("css font-size:", computedFontSize, firstDescriptionElement.getComputedFontSize(), 0.5);

        assertEquals("css display:", expectedCssDisplay, firstDescriptionElement.getElement().getCssValue("display"));

        if(expectedCssDisplay.equals("list-item")){

            assertEquals("css list-style-position: ", expectedListStylePosition, firstDescriptionElement.getElement().getCssValue("list-style-position"));

            assertEquals("css list-style-image: ",  expectedListStyleImage, firstDescriptionElement.getElement().getCssValue("list-style-image"));

            assertEquals("css list-style-type: ", expectedListStyleType, firstDescriptionElement.getElement().getCssValue("list-style-type"));

        }

    }

    public List<GalleryImage> getGalleryMedia() {

        List<GalleryImage> galleryImages = null; //getGalleryImages(getElement());

        return galleryImages;

    }

}