/*
 * This is the main class to execute the computation and get the GOID.
 */

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.util.Vector;
import weka.core.Instances;

/**
 *
 * @author DTian
 */
public class ExecMain {

	public static void main(String[] args) {
        
// SGD2AttrTable sgd = new SGD2AttrTable();
// Get clusters

    try {
			// Check the input arguments
			checkParameters(args.length);
      GetClusters myGetClusters = new GetClusters();
	
			// To get the input file type
			Instances oriData = myGetClusters.input(args[0]);

			// Get the output files name
			String outputWholeCluster = args[0] + "-WholeTree.txt";
			String outputFinalTable = args[0] + "-finalTable.csv";
			String outputSummary = args[0] + "-summary.csv";
      boolean fromFunction = true?false:args[4].trim().compareToIgnoreCase("true") == 0;

			// Create the root cluster name
			int round = 1; //for tree level
			int position = 0; // for node position in same level
			String rootName = (round-1)+"-"+position+"-"+0;

			// System.out.println("root cluster is:" + rootName);
			myGetClusters.printRootName(outputWholeCluster,rootName);

			// Create a vector for fianl table
			Vector vecFinalTable = new Vector();
			Vector vecSummary = new Vector();

			//get the variable name
			vecFinalTable.addElement(myGetClusters.printTableHead(oriData));

			// Create the root node
			TreeNode root = new TreeNode(rootName,0.0,oriData,null);
			OutputStreamWriter xmlWriter = new OutputStreamWriter(
					new FileOutputStream(new File("tree.xml"), true));
			xmlWriter.write(" <tree>\n <declarations> \n <attributeDecl name=\"name\" type=\"String\"/>\n </declarations>\n");
			xmlWriter.write(" <branch>\n  <attribute name=\"name\" value=\""+"root" +"\"/>\n");
			xmlWriter.flush();

			// Recursive clustering the data
			myGetClusters.clustering(
				root,
				round,
				""+position,
				vecFinalTable,
				vecSummary,
				outputWholeCluster,
        xmlWriter,
				args[1],
				args[2],
				args[3], 
				fromFunction
			);

			xmlWriter.write(" </branch>\n");
			xmlWriter.write("</tree>\n");
			xmlWriter.close();

			// Output final result
			myGetClusters.printVector(vecFinalTable,outputFinalTable);
			myGetClusters.printVector(vecSummary,outputSummary);
		} catch (Exception e) {
			e.printStackTrace();
			System.exit(1);
		}
  }

	/**
	* check the number of the arguments:
	* java GetCluster arg1 arg2 ...
	*
	* @param length  the length of the arguments
	* in this program, length should be 1
	*/
	private static void checkParameters(int length) {
		if(length != 5) {
			// there are 5 parameters, 1,file for clustering; 2, lookup table file;
			// 3, backgroud file; 4, repeat counts(an integer) 5, GoIDfromFunction (boolean)
			System.out.println("Usage: java  ExecMain clusterFileName GoMatrixFilename backGroundFilename repeatTime true|false");
			System.exit(1);
		}
	}
}