package com.c2kernel.process.resource;

import java.util.HashSet;
import java.util.Set;

import com.c2kernel.lookup.DomainPath;
import com.c2kernel.persistency.outcome.Outcome;
import com.c2kernel.process.Gateway;
import com.c2kernel.property.PropertyDescriptionList;
import com.c2kernel.utils.Resource;

public class DefaultResourceImportHandler implements ResourceImportHandler {

	String resType;
	String schemaName;
	String typeRoot;
	DomainPath typeRootPath;
	String wfDef;
	PropertyDescriptionList props;
	
	public DefaultResourceImportHandler(String resType) throws Exception {
		this.resType = resType;
    	if (resType.equals("CA")) {
    		wfDef = "ManageCompositeActDef";
    		schemaName = "CompositeActivityDef";
    		typeRoot = "/desc/ActivityDesc";
    	}
    	else if (resType.equals("EA")) {
    		wfDef = "ManageElementaryActDef";
    		schemaName = "ElementaryActivityDef";
    		typeRoot = "/desc/ActivityDesc";
    	}
    	else if (resType.equals("OD")) {
    		wfDef = "ManageSchema";
    		schemaName = "Schema";
    		typeRoot = "/desc/OutcomeDesc";
    	}
    	else if (resType.equals("SC")) {
    		wfDef = "ManageScript";
    		schemaName = "Script";
    		typeRoot = "/desc/Script";
    	}
    	else if (resType.equals("SM")) {
    		wfDef = "ManageStateMachine";
    		schemaName = "StateMachine";
    		typeRoot = "/desc/StateMachine";
    	}
    	else throw new Exception("Unknown bootstrap item type: "+resType);
    	typeRootPath = new DomainPath(typeRoot);
		props = (PropertyDescriptionList)Gateway.getMarshaller().unmarshall(Resource.getTextResource(null, "boot/property/"+resType+"Prop.xml"));
	}
	
	@Override
	public DomainPath getTypeRoot() {
		return typeRootPath;
	}
	
	@Override
	public String getName() {
		return schemaName;
	}

	@Override
	public DomainPath getPath(String name, String ns) throws Exception {
		return new DomainPath(typeRoot+"/system/"+(ns==null?"kernel":ns)+'/'+name);
	}

	@Override
	public Set<Outcome> getResourceOutcomes(String name, String ns, String location, int version) throws Exception {
		HashSet<Outcome> retArr = new HashSet<Outcome>();
		String data = Resource.getTextResource(ns, location);
        if (data == null)
            throw new Exception("No data found for "+schemaName+" "+name);
		Outcome resOutcome = new Outcome(0, data, schemaName, 0);
		retArr.add(resOutcome);
		return retArr;
	}
	
    @Override
    public PropertyDescriptionList getPropDesc() throws Exception {
    	return props;
	}

	@Override
	public String getWorkflowName() throws Exception {
		return wfDef;
	}
}