// ============================================================================
//
// Copyright (C) 2006-2016 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
// 9 rue Pages 92150 Suresnes, France
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package org.talend.dataprofiler.core.ui.editor.preview;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.emf.ecore.EObject;
import org.talend.core.model.properties.Property;
import org.talend.cwm.management.i18n.InternationalizationUtil;
import org.talend.dataprofiler.core.ui.wizard.indicator.forms.FormEnum;
import org.talend.dataquality.analysis.Analysis;
import org.talend.dataquality.analysis.ExecutionLanguage;
import org.talend.dataquality.indicators.Indicator;
import org.talend.dataquality.indicators.IndicatorParameters;
import org.talend.dataquality.indicators.sql.UserDefIndicator;
import org.talend.dq.helper.PropertyHelper;
import org.talend.dq.indicators.IndicatorCommonUtil;
import org.talend.dq.nodes.indicator.type.IndicatorEnum;

/**
 * DOC zqin class global comment. Detailled comment <br/>
 * 
 * $Id: talend.epf 1 2006-09-29 17:06:40Z zqin $
 * 
 */
public abstract class IndicatorUnit {

    protected IndicatorEnum type;

    protected Indicator indicator;

    protected IndicatorUnit[] children;

    protected IndicatorUnit(IndicatorEnum type, Indicator indicator) {
        this.type = type;
        this.indicator = indicator;

    }

    /**
     * Getter for parameters.
     * 
     * @return the parameters
     */
    public IndicatorParameters getParameters() {
        return indicator.getParameters();
    }

    /**
     * Getter for type.
     * 
     * @return the type
     */
    public IndicatorEnum getType() {
        return this.type;
    }

    /**
     * Getter for indicator.
     * 
     * @return the indicator
     */
    public Indicator getIndicator() {
        return this.indicator;
    }

    /**
     * Getter for value.
     * 
     * @return the value
     */
    public Object getValue() {
        return IndicatorCommonUtil.getIndicatorValue(indicator);
    }

    /**
     * Getter for indicatorName.
     * 
     * @return the indicatorName
     */
    public String getIndicatorName() {
        // TDQ-10710 msjian: for udi, we must use this way to avoid the ref project udi(buildin mode) get a wrong
        // indicator name.
        if (indicator instanceof UserDefIndicator) {
            return this.indicator.getName();
        }

        // this is for system indicators.
        if (indicator.getIndicatorDefinition() != null) {
            Property property = PropertyHelper.getProperty(indicator.getIndicatorDefinition());
            if (property != null) {
                // only internationalization SystemIndicator
                return InternationalizationUtil.getDefinitionInternationalizationLabel(property.getLabel());
            }
        }

        return this.indicator.getName();
    }

    /**
     * Getter for children.
     * 
     * @return the children
     */
    public IndicatorUnit[] getChildren() {
        return children;
    }

    /**
     * Sets the children.
     * 
     * @param children the children to set
     */
    public void setChildren(IndicatorUnit[] children) {
        this.children = children;
    }

    public boolean isExcuted() {
        return indicator.isComputed();
    }

    /**
     * 
     * find out Help href of current indicator
     * 
     * @return
     */
    public String[] getHelpHref() {
        List<String> tempList = new ArrayList<String>();
        for (FormEnum oneForm : getForms()) {
            tempList.add(oneForm.getHelpHref());
        }
        return tempList.toArray(new String[tempList.size()]);
    }

    public String getFirstFormHelpHref() {
        String[] helpHrefs = getHelpHref();
        if (helpHrefs.length > 0) {
            return helpHrefs[0];
        }
        return null;
    }

    public boolean isExsitingForm() {
        FormEnum[] forms = getForms();
        if (forms != null && forms.length > 0) {
            return true;
        }
        return false;
    }

    /**
     * 
     * find out current indicator is belong to which FormEnum
     * 
     * @return
     */
    public abstract FormEnum[] getForms();

    /**
     * get the analysis execution langugae.
     * 
     * @return
     */
    protected String getExecutionLanguage() {
        String result = ExecutionLanguage.SQL.getLiteral();
        if (indicator != null) {
            EObject ec1 = indicator.eContainer();
            if (ec1 != null) {
                EObject eContainer = ec1.eContainer();
                if (eContainer != null && eContainer instanceof Analysis) {
                    result = ((Analysis) eContainer).getParameters().getExecutionLanguage().getLiteral();
                }
            }
        }
        return result;
    }
}