/*
 * @(#)Index.java 1.0 03/04/11
 *
 * You can modify the template of this file in the
 * directory ..\JCreator\Templates\Template_1\Project_Name.java
 *
 * You can also create your own project template by making a new
 * folder in the directory ..\JCreator\Template\. Use the other
 * templates as examples.
 *
 */

import java.io.*;
import java.util.*;
import pds.label.*;

class Index{
	
//	private static ArrayList lbl_files = new ArrayList();
//	private static ArrayList catalog_files = new ArrayList();
    private static ArrayList<String> non_quoted_keywords = new ArrayList<String>();
	private static ArrayList<String> lines = new ArrayList<String>();
	public static ArrayList<String> manifestOptions = null;
	public static ArrayList<String> indexOptions = null;
	private static File optionsFile = null;
	private static BufferedReader fin = null;
	public static ArrayList<String> manifestColumns = new ArrayList<String>();
	public static ArrayList<String> indexColumns = new ArrayList<String>();
	public static LinkedList<String> indexInitValues = new LinkedList<String>();
	public static File path = null;
	public static String volId = "";
	public static String[] mandatoryIndexColumns = {"DATA_SET_ID","FILE_SPECIFICATION_NAME","PRODUCT_ID","VOLUME_ID","PRODUCT_CREATION_TIME"};
//	private static String[] mandatoryIndexColumns = {"DATA_SET_ID","FILE_SPECIFICATION_NAME","PRODUCT_ID","PRODUCT_TYPE","TARGET_NAME","START_TIME","STOP_TIME"};
	public static String[] invalidIndexDirectories = {"CATALOG","DOCUMENT","EXTRAS","GAZETTER","INDEX","SOFTWARE","BROWSE"};
//	private static String[] mandatoryManifestColumns = {"DATA_SET_ID","FILE_SPECIFICATION_NAME"};
	public static String[] invalidManifestDirectories = {"INDEX"};
	
	
	public static void main(String args[]) {
		//make sure only one argument is entered
		if(args.length > 1 || args.length == 0){
			System.out.println("Please type the location of the options file.");
			System.exit(1);
		}	
		
		//creates an object of type file that has the location of the options file
		optionsFile = new File(args[0]);
		
		//see if file exists and if not it prints an error and exits
		//it also checks to see that what you entered is a file and not a directory
		if(!optionsFile.exists()){
			System.err.println("The file " + optionsFile + " does not exist");
			System.err.println("Please check that the file exists and that the");
			System.err.println("drive is properly mapped and logged into.");
			System.exit(1);
		} else if(!optionsFile.isFile()) {
			System.err.println(optionsFile + " is not a file");
			System.exit(1);
		}
		
		readInOptionsFile();
		parseOptionsFile();
		createIndex.run(path, indexOptions, "INDEX");
	}
	
	public static void readInOptionsFile(){
		//Reads the options file into an arraylist called lines
		try{
			fin = new BufferedReader(new FileReader(optionsFile.toString()));
			String line = "";
				
			while((line = fin.readLine()) != null){
				lines.add(line);
			}
		} catch(Exception e) {}
		
		//Reads the list of non_quoted_keywords 
		try{
			fin = new BufferedReader(new FileReader("list_of_non_quoted_keywords.txt"));
			String line = "";
				
			while((line = fin.readLine()) != null){
				non_quoted_keywords.add(line);
			}
		}catch(Exception e){}
		
	}
	
	public static void parseOptionsFile(){
		String value = "";
		
		//this just checks to see what index it will be creating or if it will
		//be creating both types.
		for(int lineIndex = 0; lineIndex < lines.size(); lineIndex++){
			value = lines.get(lineIndex).toString();
			if(value.trim().toUpperCase().equals("<PATH>")){
				path = new File(lines.get(++lineIndex).toString().trim());
			} else if(value.trim().toUpperCase().equals("<MANIFEST>")){
				manifestOptions = new ArrayList<String>();
				while(!lines.get(++lineIndex).toString().trim().equals("</MANIFEST>")){
					manifestOptions.add(lines.get(lineIndex).trim());
					if(lines.get(lineIndex).toString().trim().startsWith("COLUMN")){
						String valuesList = lines.get(lineIndex).substring(lines.get(lineIndex).indexOf("=")+1);
						String[] values = valuesList.split(",");
						for(int i = 0; i < values.length; i++){
							manifestColumns.add(values[i]);
						}
					}
				}
			} else if(value.trim().toUpperCase().equals("<INDEX>")){
				indexOptions = new ArrayList<String>();
				while(!lines.get(++lineIndex).toString().trim().equals("</INDEX>")){
					value = lines.get(lineIndex).toString().trim();
					if(value.startsWith("VOLUME_ID")){
						volId = "\"" + value.substring(value.indexOf("=") + 1) + "\"";
					}
					if(value.startsWith("COLUMN")){
						boolean isFound = false;
						String valuesList = value.substring(value.indexOf("=")+1);
						String[] values = valuesList.split(",");
						for(int colIndex = 0; colIndex < values.length; colIndex++){
							indexColumns.add(values[colIndex]);
						}
						for(int mandIndex = 0; mandIndex < mandatoryIndexColumns.length; mandIndex++){
							isFound = false;
							for(int colIndex = 0; colIndex < values.length; colIndex++){
								if(mandatoryIndexColumns[mandIndex].equals(values[colIndex])){
									isFound = true;
								}
							}
							if(isFound == false){
								indexColumns.add(mandatoryIndexColumns[mandIndex]);
							}
						}	
					}
					indexOptions.add(value);
				}
				for(int colIndex = 0; colIndex < indexColumns.size(); colIndex++){
					boolean foundNonQuotedVal = false;
					for(int nonQuoteInd = 0; nonQuoteInd < non_quoted_keywords.size(); nonQuoteInd++){
						if(indexColumns.get(colIndex).toString().equals(non_quoted_keywords.get(nonQuoteInd).toString())){
							indexInitValues.add("N/A");
							foundNonQuotedVal = true;
						}
					}
					if(!foundNonQuotedVal){
						indexInitValues.add("\"N/A\"");
					}
				}			
			}
		}
	}
}