package org.hedgewars.hedgeroid.Datastructures;

import java.io.File;

import java.io.FileNotFoundException;

import java.util.ArrayList;

import java.util.Comparator;

import java.util.List;

import org.hedgewars.hedgeroid.R;

import org.hedgewars.hedgeroid.util.FileUtils;

import android.content.Context;

import android.content.res.Resources;

/**

 * Represents a map from the data directory

 */

public final class MapFile {

	public static final String MAP_DIRECTORY = "Maps";

	public final String name;

	public final boolean isMission;

	public MapFile(String name, boolean isMission) {

		this.name = name;

		this.isMission = isMission;

	}

	/**

	 * @throws FileNotFoundException if the sdcard is not available. Does NOT throw if the requested map file does not exist.

	 */

	public static File getFileForMapname(Context ctx, String mapname) throws FileNotFoundException {

		return new File(new File(FileUtils.getDataPathFile(ctx), MAP_DIRECTORY), mapname);

	}

	public static final Comparator<MapFile> MISSIONS_FIRST_NAME_ORDER = new Comparator<MapFile>() {

		public int compare(MapFile lhs, MapFile rhs) {

			if(lhs.isMission != rhs.isMission) {

				return lhs.isMission && !rhs.isMission ? -1 : 1;

			} else {

				return lhs.name.compareToIgnoreCase(rhs.name);

			}

		}

	};

	@Override

	public String toString() {

		return "MapFile [name=" + name + ", isMission=" + isMission + "]";

	}

	public File getPreviewFile(Context c) throws FileNotFoundException {

		return getPreviewFile(c, name);

	}

	public static File getPreviewFile(Context c, String mapName) throws FileNotFoundException {

		return new File(FileUtils.getDataPathFile(c), MAP_DIRECTORY + "/" + mapName + "/" + "preview.png");

	}

	public static List<String> toDisplayNameList(List<MapFile> mapFiles, Resources res) {

		String missionPrefix = res.getString(R.string.map_mission_prefix);

		List<String> result = new ArrayList<String>();

		for(MapFile mapFile : mapFiles) {

			result.add((mapFile.isMission ? missionPrefix : "") + mapFile.name);

		}

		return result;

	}

}