package tiles.refactor;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;

import tiles.refactor.beans.ModuleTiles;

public class TilesUtils {

    public static final String SOURCE_FILE_PREPEND = "home/nmld/runtime-EclipseApplication/fenix-mod-struts/src/";
    public static final String PROPERTIES_FILE_OF_TILES_FILES = "/home/nmld/workspace/struts-parser/tiles.definitions.index";
    public static final String ANNOTATED_ACTIONS_LIST = "/home/nmld/workspace/struts-parser/actions.annotated.list";
    public static final String DEFAULT_TILES_FOLDER = "layouts";
    public static final String DEFAULT_MODULE = "default";

    public static List<ModuleTiles> fetchTilesFilesNames() {
	List<ModuleTiles> resultList = new ArrayList<ModuleTiles>();
	try {
	    Map<String, ModuleTiles> tilesMap = new HashMap<String, ModuleTiles>();

	    Properties properties = new Properties();
	    FileInputStream in = new FileInputStream(PROPERTIES_FILE_OF_TILES_FILES);
	    properties.load(in);
	    in.close();
	    String tilesFiles = properties.getProperty("tiles.files");

	    for (String filename : tilesFiles.split(",")) {
		String tmp = filename.substring(filename.lastIndexOf("tiles/") + 6);
		String moduleName = tmp.substring(0, tmp.lastIndexOf('/'));

		if (moduleName.equals(DEFAULT_TILES_FOLDER)) {
		    moduleName = "default";
		}

		ModuleTiles moduleTiles;
		if (!tilesMap.containsKey(moduleName)) {
		    moduleTiles = new ModuleTiles(moduleName);
		    tilesMap.put(moduleName, moduleTiles);
		} else {
		    moduleTiles = tilesMap.get(moduleName);
		}

		moduleTiles.addModuleTilesFile(filename);
	    }

	    resultList.addAll(tilesMap.values());

	} catch (IOException e) {
	    e.printStackTrace();
	}

	return resultList;
    }

    public static List<String> fetchAnnotatedClasses() throws Exception {
	List<String> result = new ArrayList<String>();
	BufferedReader in = null;
	try {
	    in = new BufferedReader(new InputStreamReader(new DataInputStream(new FileInputStream(ANNOTATED_ACTIONS_LIST))));
	    String strLine;
	    while ((strLine = in.readLine()) != null) {
		result.add(strLine);
	    }
	} finally {
	    if (in != null)
		in.close();
	}
	return result;
    }

    public static String fetchCompilationUnitName(String fullPathName) {
	return fullPathName.substring(SOURCE_FILE_PREPEND.length() + 1, fullPathName.length() - 5).replace('/', '.');
    }

}