/*
 * Copyright 2015 Synced Synapse. All rights reserved.
 *
 * 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 org.xbmc.kore;

import android.content.Context;
import android.content.SharedPreferences;
import android.text.format.DateUtils;

import org.xbmc.kore.utils.LogUtils;

/**
 * Singleton that holds the settings of the app, that are not stored in the default shared preferences
 *
 * Interfaces with {@link android.content.SharedPreferences} to load/store these preferences.
 */
public class Settings {
	private static final String TAG = LogUtils.makeLogTag(Settings.class);

    /**
     * The update interval for the records in the DB. If the last update is older than this value
     * a refresh will be triggered. Aplicable to TV Shows and Movies.
     */
//    public static final long DB_UPDATE_INTERVAL = 12 * DateUtils.HOUR_IN_MILLIS;
    public static final long DB_UPDATE_INTERVAL = 5 * DateUtils.MINUTE_IN_MILLIS;

	// Constants for Shared Preferences
	private static final String SETTINGS_KEY = "SETTINGS_SHARED_PREFS";

    // Tags to save the values
	private static final String CURRENT_HOST_ID = "CURRENT_HOST_ID";

    // Maximum pictures to show on cast list (-1 to show all)
    public static final int DEFAULT_MAX_CAST_PICTURES = 12;

    // Sort orders
    public static final int SORT_BY_NAME = 0,
            SORT_BY_DATE_ADDED = 1;

    /**
     * Preferences keys.
     * These settings are automatically managed by the Preferences mechanism.
     * Make sure these are the same as in preferences.xml
     */

    // Theme
    public static final String KEY_PREF_THEME = "pref_theme";
    public static final String DEFAULT_PREF_THEME = "0";

    // Switch to remote
    public static final String KEY_PREF_SWITCH_TO_REMOTE_AFTER_MEDIA_START = "pref_switch_to_remote_after_media_start";
    public static final boolean DEFAULT_PREF_SWITCH_TO_REMOTE_AFTER_MEDIA_START = true;

    // Show notifications
    public static final String KEY_PREF_SHOW_NOTIFICATION = "pref_show_notification";
    public static final boolean DEFAULT_PREF_SHOW_NOTIFICATION = false;

    // Other keys used in preferences.xml
    public static final String KEY_PREF_ABOUT = "pref_about";

    // Filter watched movies on movie list
    public static final String KEY_PREF_MOVIES_FILTER_HIDE_WATCHED = "movies_filter_hide_watched";
    public static final boolean DEFAULT_PREF_MOVIES_FILTER_HIDE_WATCHED = false;

    // Sort order on movies
    public static final String KEY_PREF_MOVIES_SORT_ORDER = "movies_sort_order";
    public static final int DEFAULT_PREF_MOVIES_SORT_ORDER = SORT_BY_NAME;

    // Ignore articles on movie sorting
    public static final String KEY_PREF_MOVIES_IGNORE_PREFIXES = "movies_ignore_prefixes";
    public static final boolean DEFAULT_PREF_MOVIES_IGNORE_PREFIXES = false;

    // Filter watched tv shows on tvshow list
    public static final String KEY_PREF_TVSHOWS_FILTER_HIDE_WATCHED = "tvshows_filter_hide_watched";
    public static final boolean DEFAULT_PREF_TVSHOWS_FILTER_HIDE_WATCHED = false;

    // Filter watched episodes on episodes list
    public static final String KEY_PREF_TVSHOW_EPISODES_FILTER_HIDE_WATCHED = "tvshow_episodes_filter_hide_watched";
    public static final boolean DEFAULT_PREF_TVSHOW_EPISODES_FILTER_HIDE_WATCHED = false;

    // Sort order on tv shows
    public static final String KEY_PREF_TVSHOWS_SORT_ORDER = "tvshows_sort_order";
    public static final int DEFAULT_PREF_TVSHOWS_SORT_ORDER = SORT_BY_NAME;

    // Ignore articles on tv show sorting
    public static final String KEY_PREF_TVSHOWS_IGNORE_PREFIXES = "tvshows_ignore_prefixes";
    public static final boolean DEFAULT_PREF_TVSHOWS_IGNORE_PREFIXES = false;

    // Use hardware volume keys to control volume
    public static final String KEY_PREF_USE_HARDWARE_VOLUME_KEYS = "pref_use_hardware_volume_keys";
    public static final boolean DEFAULT_PREF_USE_HARDWARE_VOLUME_KEYS = true;


    // Singleton instance
	private static Settings instance = null;
	private Context context;

    /**
     * Current saved host id
     */
	public int currentHostId;

	/**
	 * Protected singleton constructor. Loads all the preferences
	 * @param context App context
	 */
	protected Settings(Context context) {
		this.context = context.getApplicationContext();

		SharedPreferences preferences = context.getSharedPreferences(SETTINGS_KEY, Context.MODE_PRIVATE);

		currentHostId = preferences.getInt(CURRENT_HOST_ID, -1);
    }

    /**
     * Returns the singleton {@link Settings} object.
	 * @param context App context
	 * @return Singleton instance
	 */
	public static Settings getInstance(Context context) {
		if (instance == null)
			instance = new Settings(context);
		return instance;
	}

	/**
	 * Save the current values in {@link android.content.SharedPreferences}
	 */
	public void save() {
		SharedPreferences preferences = context.getSharedPreferences(SETTINGS_KEY, Context.MODE_PRIVATE);
		SharedPreferences.Editor editor = preferences.edit();

		editor.putInt(CURRENT_HOST_ID, currentHostId);
		editor.apply();
	}
}