package net.sourceforge.fenixedu.presentationTier.renderers;

import net.sourceforge.fenixedu.domain.elections.DelegateElectionCandidacyPeriod;
import net.sourceforge.fenixedu.domain.elections.DelegateElectionPeriod;
import net.sourceforge.fenixedu.domain.elections.DelegateElectionVotingPeriod;
import pt.ist.fenixWebFramework.renderers.OutputRenderer;
import pt.ist.fenixWebFramework.renderers.components.HtmlBlockContainer;
import pt.ist.fenixWebFramework.renderers.components.HtmlComponent;
import pt.ist.fenixWebFramework.renderers.components.HtmlLink;
import pt.ist.fenixWebFramework.renderers.components.HtmlText;
import pt.ist.fenixWebFramework.renderers.components.state.ViewDestination;
import pt.ist.fenixWebFramework.renderers.layouts.Layout;
import pt.ist.fenixWebFramework.renderers.utils.RenderUtils;

public class DelegateElectionPeriodRenderer extends OutputRenderer {

    private static final String DEFAULT_FORMAT = "dd/MM/yyyy";

    private String bundle;

    private String dateFormat;

    private String linkFormat;

    private boolean contextRelative;

    private boolean moduleRelative;

    private String destination;

    private String currentPeriodClasses;

    private String dateHtmlSeparator;

    private String periodPostLabel;

    private boolean isPeriodPostLabelKey;

    public String getDateHtmlSeparator() {
	return dateHtmlSeparator;
    }

    public void setDateHtmlSeparator(String dateHtmlSeparator) {
	this.dateHtmlSeparator = dateHtmlSeparator;
    }

    public String getDateFormat() {
	return (dateFormat != null ? dateFormat : DEFAULT_FORMAT);
    }

    public void setDateFormat(String dateFormat) {
	this.dateFormat = dateFormat;
    }

    /**
     * This property allows you to specify the period post label. (Ex.:
     * candidatos ou votos)
     * 
     * @property
     */
    public String getPeriodPostLabel() {
	return periodPostLabel;
    }

    public void setPeriodPostLabel(String periodPostLabel) {
	this.periodPostLabel = periodPostLabel;
    }

    public boolean isPeriodPostLabelKey() {
	return isPeriodPostLabelKey;
    }

    public void setIsPeriodPostLabelKey(boolean isPeriodPostLabelKey) {
	this.isPeriodPostLabelKey = isPeriodPostLabelKey;
    }

    public String getLinkFormat() {
	return this.linkFormat;
    }

    /**
     * This property allows you to specify the format of the final link. In this
     * format you can use properties of the object being presented. For example:
     * 
     * <code>
     *  format="/some/action.do?oid=${id}"
     * </code>
     * 
     * @see RenderUtils#getFormattedProperties(String, Object)
     * @property
     */
    public void setLinkFormat(String linkFormat) {
	this.linkFormat = linkFormat;
    }

    public boolean isContextRelative() {
	return this.contextRelative;
    }

    /**
     * Indicates that the link specified should be relative to the context of
     * the application and not to the current module. This also overrides the
     * module if a destination is specified.
     * 
     * @property
     */
    public void setContextRelative(boolean contextRelative) {
	this.contextRelative = contextRelative;
    }

    public boolean isModuleRelative() {
	return this.moduleRelative;
    }

    /**
     * Allows you to choose if the generated link is relative to the current
     * module. Note that if the link is not context relative then it also isn't
     * module relative.
     * 
     * @property
     */
    public void setModuleRelative(boolean moduleRelative) {
	this.moduleRelative = moduleRelative;
    }

    public String getDestination() {
	return this.destination;
    }

    /**
     * This property is an alternative to the use of the
     * {@link #setLinkFormat(String) linkFormat}. With this property you can
     * specify the name of the view state destination that will be used. This
     * property allows you to select the concrete destination in each context
     * were this configuration is used.
     * 
     * @property
     */
    public void setDestination(String destination) {
	this.destination = destination;
    }

    public String getBundle() {
	return this.bundle;
    }

    /**
     * The bundle were the {@link #setKey(String) key} will be fetched.
     * 
     * @property
     */
    public void setBundle(String bundle) {
	this.bundle = bundle;
    }

    public String getCurrentPeriodClasses() {
	return currentPeriodClasses;
    }

    public void setCurrentPeriodClasses(String currentPeriodClasses) {
	this.currentPeriodClasses = currentPeriodClasses;
    }

    @Override
    protected Layout getLayout(Object object, Class type) {
	return new Layout() {

	    @Override
	    public HtmlComponent createComponent(Object object, Class type) {
		DelegateElectionPeriod period = (DelegateElectionPeriod) object;

		if (period == null) {
		    return new HtmlText();
		}

		String postLabel = getElectionPeriodPostLabel(period);

		if (isLink() && getContext().getParentContext() != null) {
		    Object targetObject = getContext().getParentContext().getMetaObject().getObject(); // Election

		    HtmlLink link = getLink(targetObject);

		    HtmlBlockContainer container = new HtmlBlockContainer();
		    String periodResume = getPeriodResume(period, postLabel, true);
		    link.setBody(new HtmlText(periodResume, false));
		    link.setClasses(getCurrentPeriodClasses()); // Classes for
		    // current
		    // periods
		    container.addChild(link);
		    return container;
		} else {
		    String periodResume = getPeriodResume(period, postLabel, false);
		    return new HtmlText(periodResume, false);
		}
	    }

	    private boolean isLink() {
		return (getLinkFormat() != null ? true : false);
	    }

	    private HtmlLink getLink(Object usedObject) {
		HtmlLink link = new HtmlLink();

		String url;

		if (getDestination() != null) {
		    ViewDestination destination = getContext().getViewState().getDestination(getDestination());

		    if (destination != null) {
			link.setModule(destination.getModule());
			url = destination.getPath();
		    } else {
			url = "#";
		    }
		} else {
		    if (getLinkFormat() != null) {
			url = getLinkFormat();
		    } else {
			url = "#";
		    }
		}

		link.setUrl(RenderUtils.getFormattedProperties(url, usedObject));

		link.setModuleRelative(isModuleRelative());
		link.setContextRelative(isContextRelative());

		return link;
	    }

	    private String getPeriodResume(DelegateElectionPeriod electionPeriod, String postLabel, boolean isLongResume) {
		postLabel = (postLabel != null ? "&nbsp;" + postLabel : "");

		String shortResume = electionPeriod.getStartDate().toString(getDateFormat()) + getDateHtmlSeparator()
			+ electionPeriod.getEndDate().toString(getDateFormat());

		String longResume = null;
		if (electionPeriod instanceof DelegateElectionCandidacyPeriod) {
		    longResume = "("
			    + ((DelegateElectionCandidacyPeriod) electionPeriod).getDelegateElection().getCandidatesCount()
			    + postLabel + ")";
		} else {
		    longResume = "(" + ((DelegateElectionVotingPeriod) electionPeriod).getDelegateElection().getVotesCount()
			    + postLabel + ")";
		}

		return (isLongResume ? shortResume + "<br/>" + longResume : shortResume);
	    }

	    private String getElectionPeriodPostLabel(DelegateElectionPeriod electionPeriod) {
		return (isPeriodPostLabelKey() ? RenderUtils.getResourceString(getBundle(), getPeriodPostLabel())
			: getPeriodPostLabel());
	    }

	};
    }

}