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Classic point and click adventure game engine
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/*******************************************************************************
 * Copyright 2014 Rafael Garcia Moreno.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.bladecoder.engine.util;

import java.io.IOException;
import java.util.Properties;

import com.badlogic.gdx.files.FileHandle;
import com.bladecoder.engine.assets.EngineAssetManager;

public final class Config {
	public static final String INVENTORY_POS_PROP = "inventory_pos";
	public static final String INVENTORY_AUTOSIZE_PROP = "inventory_autosize";
	public static final String SINGLE_ACTION_INVENTORY = "single_action_inventory";
	public static final String TITLE_PROP = "title";
	public static final String LOAD_GAMESTATE_PROP = "load_gamestate";
	public static final String PLAY_RECORD_PROP = "play_recording";
	public static final String TEST_SCENE_PROP = "test_scene";
	public static final String FORCE_RES_PROP = "force_res";
	public static final String DEBUG_PROP = "debug";
	public static final String CHAPTER_PROP = "chapter";
	public static final String SHOW_DESC_PROP = "show_desc";
	public static final String EXTEND_VIEWPORT_PROP = "extend_viewport";
	public static final String VERSION_PROP = "version";
	public static final String BLADE_ENGINE_VERSION_PROP = "bladeEngineVersion";
	public static final String CHARACTER_ICON_ATLAS = "character_icon_atlas";
	public static final String UI_MODE = "ui_mode";
	public static final String FAST_LEAVE = "fast_leave";
	public static final String AUTO_HIDE_TEXTS = "auto_hide_texts";
	public static final String RESOLUTIONS = "resolutions";
	public static final String SHOW_HOTSPOTS = "show_hotspots";

	public static final String PROPERTIES_FILENAME = "BladeEngine.properties";
	public static final String PREFS_FILENAME = "prefs.properties";

	private static Config instance;

	private final Properties config = new Properties();
	private final Properties prefs = new Properties();

	private Config() {
		load();
	}

	public static final Config getInstance() {
		if (instance == null) {
			instance = new Config();
		}

		return instance;
	}

	public String getProperty(String key, String defaultValue) {
		return config.getProperty(key, defaultValue);
	}

	public void load() {
		config.clear();

		try {
			config.load(EngineAssetManager.getInstance().getAsset(PROPERTIES_FILENAME).reader());
		} catch (Exception e) {
			EngineLogger.error("ERROR LOADING " + PROPERTIES_FILENAME + " :" + e.getMessage());
			return;
		}

		EngineAssetManager.getInstance()
				.setUserFolder("." + getProperty(Config.TITLE_PROP, "BladeEngine").replace(" ", ""));
		FileHandle prefsFile = EngineAssetManager.getInstance().getUserFile(PREFS_FILENAME);

		if (prefsFile.exists()) {
			try {
				prefs.load(prefsFile.reader());
			} catch (IOException e) {
				EngineLogger.error("ERROR LOADING PREFERENCES " + PREFS_FILENAME + ": " + e.getMessage());
			}
		}
	}

	public boolean getProperty(String key, boolean defaultValue) {
		boolean result = false;

		try {
			result = Boolean.parseBoolean(getProperty(key, String.valueOf(defaultValue)));
		} catch (Exception e) {
		}

		return result;
	}

	public int getProperty(String key, int defaultValue) {
		int result = 0;

		try {
			result = Integer.parseInt(getProperty(key, String.valueOf(defaultValue)));
		} catch (Exception e) {
		}

		return result;
	}

	public String getPref(String name, String defaultValue) {
		return prefs.getProperty(name, defaultValue);
	}

	public void setPref(String name, String value) {
		prefs.setProperty(name, value);
	}

	public void savePrefs() {
		try {
			prefs.store(EngineAssetManager.getInstance().getUserFile(PREFS_FILENAME).writer(false), null);
		} catch (IOException e) {
			EngineLogger.error("ERROR SAVING PREFERENCES: " + e.getMessage());
		}
	}
}