/*
 * SoapUI, Copyright (C) 2004-2016 SmartBear Software 
 *
 * Licensed under the EUPL, Version 1.1 or - as soon as they will be approved by the European Commission - subsequent 
 * versions of the EUPL (the "Licence"); 
 * You may not use this work except in compliance with the Licence. 
 * You may obtain a copy of the Licence at: 
 * 
 * http://ec.europa.eu/idabc/eupl 
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the Licence is 
 * distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 
 * express or implied. See the Licence for the specific language governing permissions and limitations 
 * under the Licence. 
 */

package com.eviware.soapui.support.scripting.js;

import com.eviware.soapui.SoapUI;
import com.eviware.soapui.model.ModelItem;
import com.eviware.soapui.model.propertyexpansion.PropertyExpansion;
import com.eviware.soapui.support.scripting.SoapUIScriptEngine;
import com.eviware.soapui.support.scripting.SoapUIScriptEngineFactory;
import com.eviware.soapui.support.scripting.SoapUIScriptGenerator;
import com.eviware.soapui.support.types.StringToStringMap;
import com.eviware.soapui.support.xml.XPathData;

/**
 * Factory for creating Javascript ScriptEngines
 *
 * @author ole.matzura
 */

public class JsScriptEngineFactory implements SoapUIScriptEngineFactory, SoapUIScriptGenerator {
    public static final String ID = "Javascript";

    public SoapUIScriptEngine createScriptEngine(ModelItem modelItem) {
        return new JsScriptEngine(SoapUI.class.getClassLoader());
    }

    public SoapUIScriptGenerator createCodeGenerator(ModelItem modelItem) {
        return this;
    }

    public String createContextExpansion(String name, PropertyExpansion expansion) {
        String exp = expansion.toString();
        StringBuffer buf = new StringBuffer();

        for (int c = 0; c < exp.length(); c++) {
            char ch = exp.charAt(c);

            switch (ch) {
                case '\'':
                case '\\':
                    buf.append('\\');
                default:
                    buf.append(ch);
            }
        }

        return "var " + name + " = context.expand( \"" + buf.toString() + "\" );\n";
    }

    public String createScriptAssertionForExists(XPathData xpathData) {
        String script = "var holder = new com.eviware.soapui.support.XmlHolder( messageExchange.responseContentAsXml );\n";

        StringToStringMap nsMap = xpathData.getNamespaceMap();
        for (String ns : nsMap.keySet()) {
            script += "holder.namespaces.put(\"" + nsMap.get(ns) + "\", \"" + ns + "\" );\n";
        }

        script += "var node = holder.getDomNode( \"" + xpathData.getPath() + "\" );\n";
        script += "if( node == null )\n   throw new java.lang.Exception( \"Missing node\" );\n";

        return script;
    }
}