package de.mpiwg.dwinter.fulltext.tests;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Date;
import java.util.HashMap;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.xpath.XPathExpressionException;

import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.Term;
import org.apache.lucene.queryParser.ParseException;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.Collector;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.search.TopDocsCollector;
import org.apache.lucene.util.Version;
import org.xml.sax.SAXException;

import de.mpiwg.dwinter.fulltext.search.FulltextSearch;
import de.mpiwg.dwinter.fulltext.search.FulltextSearchDocsLines;
import de.mpiwg.dwinter.fulltext.searcher.LanguageSearcher;

public class TestSearchInLinesToDir {

	protected static Logger logger = Logger.getRootLogger();
	
	public static void main(String[] args) throws IOException, ParseException, XPathExpressionException, ParserConfigurationException, SAXException {

		
		BasicConfigurator.configure();
		logger.setLevel(Level.ALL);
		
		String usage = "search <index_dir> <line_index_dir> <language>";
		if (args.length != 3) {
			System.err.println("Usage: " + usage);
			System.exit(1);
		}

		String queries = null;
		FulltextSearchDocsLines fulltextSearcher = new FulltextSearchDocsLines(new File(args[0]),new File(args[1]));

		BufferedReader in = null;
		if (queries != null) {
			in = new BufferedReader(new FileReader(queries));
		} else {
			in = new BufferedReader(new InputStreamReader(System.in));
		}

		while (true) {
			if (queries == null)                        // prompt the user
			System.out.println("Enter query: ");

			String line = in.readLine();

			if (line == null || line.length() == -1)
				break;

			line = line.trim();
			if (line.length() == 0)
				break;

			System.out.println("line: "+line);

			//Query query= new TermQuery(new Term("contents",line));
			Analyzer analyzer = fulltextSearcher.languageSearchers.getSearcherByLanguage(args[2]).analyzer;
			QueryParser parser = new QueryParser(Version.LUCENE_30,"contents",analyzer);
			Query query= parser.parse(line);
			fulltextSearcher.searchInLinesToDir(query,args[2],"1");

		}
	}
}