/** 
Licensed Materials - Property of IBM

IBM Cognos Products: DOCS

(C) Copyright IBM Corp. 2005, 2008

US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with
IBM Corp.
*/
/**
 * DrillThrough.java
 *
 * Copyright (C) 2008 Cognos ULC, an IBM Company. All rights reserved.
 * Cognos (R) is a trademark of Cognos ULC, (formerly Cognos Incorporated).
 */

import java.rmi.RemoteException;
import java.util.Enumeration;
import java.util.Hashtable;

import com.cognos.developer.schemas.bibus._3.Account;
import com.cognos.developer.schemas.bibus._3.AddOptions;
import com.cognos.developer.schemas.bibus._3.BaseClass;
import com.cognos.developer.schemas.bibus._3.BaseClassArrayProp;
import com.cognos.developer.schemas.bibus._3.BaseParameter;
import com.cognos.developer.schemas.bibus._3.BaseParameterAssignment;
import com.cognos.developer.schemas.bibus._3.BaseParameterAssignmentArrayProp;
import com.cognos.developer.schemas.bibus._3.BaseReportActionEnum;
import com.cognos.developer.schemas.bibus._3.BaseReportActionEnumProp;
import com.cognos.developer.schemas.bibus._3.DeploymentReference;
import com.cognos.developer.schemas.bibus._3.DeploymentReferenceArrayProp;
import com.cognos.developer.schemas.bibus._3.DeploymentReferenceProp;
import com.cognos.developer.schemas.bibus._3.DrillPath;
import com.cognos.developer.schemas.bibus._3.Locale;
import com.cognos.developer.schemas.bibus._3.MetadataModelItemName;
import com.cognos.developer.schemas.bibus._3.MultilingualToken;
import com.cognos.developer.schemas.bibus._3.Parameter;
import com.cognos.developer.schemas.bibus._3.ParameterAssignmentDataItem;
import com.cognos.developer.schemas.bibus._3.PropEnum;
import com.cognos.developer.schemas.bibus._3.QueryOptions;
import com.cognos.developer.schemas.bibus._3.SearchPathMultipleObject;
import com.cognos.developer.schemas.bibus._3.SearchPathSingleObject;
import com.cognos.developer.schemas.bibus._3.Sort;
import com.cognos.developer.schemas.bibus._3.StringProp;
import com.cognos.developer.schemas.bibus._3.TokenProp;
import com.cognos.developer.schemas.bibus._3.UpdateActionEnum;

public class DrillThrough {

	// default constructor
	public DrillThrough() {
		super();
	}

	// Use to create a Drill-through definition
	public String createDrillThroughDefinition(CRNConnect myConnect,
			String dtDefinition, BaseClassWrapper packageName,
			BaseClassWrapper reportName, Hashtable reportList) {
		String result = null;
		DrillPath myDrillPath = null;

		// get current account information
		Account myAccount = this.getCurrentAccountInfo(myConnect);

		myDrillPath = new DrillPath();
		// set drill through name and description
		myDrillPath = this.setDrillThroughNameDesc(dtDefinition, myDrillPath);
		// set drill through contact
		myDrillPath = this.setDrillThroughContact(myAccount, myDrillPath);
		// set the drill through action
		myDrillPath = this.setDrillThroughAction(myDrillPath);
		// set the drill through target
		myDrillPath = this.setDrillThroughTarget(reportName, myDrillPath);
		// set the drill through parameter values
		myDrillPath = this.setDrillThroughParameters(reportName, reportList,
				myDrillPath);

		result = this.addDrillThroughDefinition(myConnect, myDrillPath,
				packageName);
		return result;
	}

	/**
	 * Retrieve the report parameters from a Hashtable
	 *
	 * @param oneReport:
	 *            given report
	 * @param myHash:
	 *            one Hashtable
	 * @return: one Hashtable contains report name and its parameters
	 */
	public Hashtable getReportParameters(BaseClassWrapper oneReport,
			Hashtable myHash) {
		Hashtable paraList = new Hashtable();
		BaseParameter[] myPara = null;
		myPara = (BaseParameter[]) myHash.get(oneReport);

		if (myPara != null) {
			for (int i = 0; i < myPara.length; i++) {
				String paraName = ((Parameter) myPara[i]).getName();
				String modelFilterItemStr = ((Parameter) myPara[i])
						.getModelFilterItem();
				paraList.put(paraName, modelFilterItemStr);
			}
		}
		return paraList;
	}

	// Get package search path
	public String getPackagePath(BaseClassWrapper aPackage) {
		String packagePath = null;

		if (aPackage != null) {
			packagePath = aPackage.getBaseClassObject().getSearchPath()
					.getValue();
		}
		return packagePath;
	}

	// Get current account information to assign to Drill-through definition
	public Account getCurrentAccountInfo(CRNConnect myConn) {
		BaseClass[] bcAccountInfo = null;
		Account currentAccount = null;

		PropEnum propEnum[] = new PropEnum[] { PropEnum.searchPath,
				PropEnum.defaultName };
		SearchPathMultipleObject searchPathObject = new SearchPathMultipleObject("~");
		

		try {

			bcAccountInfo = myConn.getCMService().query(searchPathObject,
					propEnum, new Sort[] {}, new QueryOptions());

			if (bcAccountInfo != null) {
				currentAccount = (Account) bcAccountInfo[0];
			}
		} catch (RemoteException ex) {
			System.out.println("Failed to get current account information."
					+ "\n" + "The error: " + ex.getMessage());
		}

		return currentAccount;
	}

	// use to set drill through name and description
	public DrillPath setDrillThroughNameDesc(String aDefinition,
			DrillPath drillPathObj) {
		TokenProp myDrillName = new TokenProp();
		StringProp myDrillDesc = new StringProp();

		// set drill name and description
		myDrillName.setValue(aDefinition);
		myDrillDesc
				.setValue("This is an example of how to create a Drill-through definition in the SDK.");
		drillPathObj.setDefaultName(myDrillName);
		drillPathObj.setDefaultDescription(myDrillDesc);

		return drillPathObj;
	}

	// use to set drill through contact
	public DrillPath setDrillThroughContact(Account accountInfo,
			DrillPath drillPathObj) {
		BaseClass[] userInfo = new BaseClass[1];
		BaseClassArrayProp contact = new BaseClassArrayProp();
		userInfo[0] = accountInfo;
		contact.setValue(userInfo);
		drillPathObj.setContact(contact);

		return drillPathObj;
	}

	// use to set drill through action
	public DrillPath setDrillThroughAction(DrillPath drillPathObj) {
		BaseReportActionEnumProp drillRptAction = new BaseReportActionEnumProp();
		drillRptAction.setValue(BaseReportActionEnum.run);
		drillPathObj.setAction(drillRptAction);

		return drillPathObj;
	}

	// use to set drill through target
	public DrillPath setDrillThroughTarget(BaseClassWrapper targetReport,
			DrillPath drillPathObj) {
		
		DeploymentReferenceArrayProp drArrPropTarget = new DeploymentReferenceArrayProp();
		
		BaseClass[] bcArrTarget = new BaseClass[1];
		bcArrTarget[0] = targetReport.getBaseClassObject();
		
		DeploymentReference[] dArrTarget = new DeploymentReference[1];
		
		DeploymentReference drTarget = new DeploymentReference();
		
		MultilingualToken[] targetNames = new MultilingualToken[1];
		targetNames[0] = new MultilingualToken();
		targetNames[0].setValue("targets");
		targetNames[0].setLocale("en");

		drTarget.setObjects(bcArrTarget);
		drTarget.setName(targetNames);
		
		dArrTarget[0] = drTarget;
		
		drArrPropTarget.setValue(dArrTarget);
		
		drillPathObj.setDeploymentReferences(drArrPropTarget);

		return drillPathObj;
	}

	// use to set drill through parameters
	public DrillPath setDrillThroughParameters(BaseClassWrapper targetReport,
			Hashtable reportAndPara, DrillPath drillPathObj) {
		Hashtable listOfPara = new Hashtable();
		listOfPara = this.getReportParameters(targetReport, reportAndPara);
		int numOfPara = listOfPara.size();
		int myCount = 0;

		BaseParameterAssignmentArrayProp parameters = new BaseParameterAssignmentArrayProp();
		BaseParameterAssignment[] prmAssignArr = new BaseParameterAssignment[numOfPara];
		ParameterAssignmentDataItem myParaDataItem = null;
		MetadataModelItemName myMetaModelItemName = null;

		Enumeration keyEnum = listOfPara.keys(); // get all reports

		while (keyEnum.hasMoreElements()) {
			
			String myNameOfPara = (String) keyEnum.nextElement();
			String myModelFilterItemStr = (String) listOfPara.get(myNameOfPara);
			
			myMetaModelItemName = new MetadataModelItemName(myModelFilterItemStr);
			myParaDataItem = new ParameterAssignmentDataItem();
			myParaDataItem.setParameterName(myNameOfPara);
			myParaDataItem.setDataItemName(myMetaModelItemName);

			prmAssignArr[myCount] = myParaDataItem;
			myCount++;
		}

		parameters.setValue(prmAssignArr);
		drillPathObj.setParameterAssignments(parameters);

		return drillPathObj;
	}

	// add a Drill-through definition
	public String addDrillThroughDefinition(CRNConnect myConn,
			DrillPath drillPathObj, BaseClassWrapper aPackage) {
		String addResult;

		SearchPathSingleObject path = null;
		path = new SearchPathSingleObject();

		BaseClass[] bcDrill = new BaseClass[1];
		bcDrill[0] = drillPathObj;

		AddOptions addOpts = new AddOptions();
		addOpts.setUpdateAction(UpdateActionEnum.replace);

		String pathOfPackage = getPackagePath(aPackage);
		if (pathOfPackage != null) {
			path.set_value(pathOfPackage);
		}

		try {
			BaseClass[] drillResult = myConn.getCMService().add(path, bcDrill,
					addOpts);
			DrillPath rs = (DrillPath) drillResult[0];
			addResult = (rs.getStoreID().getValue()).get_value();
		} catch (RemoteException ex) {
			System.out
					.println("Failed to add a Drill-through definition in the content store."
							+ "\n" + "The error: " + ex.getMessage());
			return null;
		}

		return addResult;
	}
}