/*
 * 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 com.syncedsynapse.kore2;

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

import com.syncedsynapse.kore2.utils.LogUtils;

/**
 * Singleton that holds the settings of the app.
 *
 * 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 = 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";
    private static final String MAX_CAST_PICTURES = "MAX_CAST_PICTURES";
    private static final String MOVIES_FILTER_HIDE_WATCHED = "MOVIES_FILTER_HIDE_WATCHED";
    private static final String TVSHOWS_FILTER_HIDE_WATCHED = "TVSHOWS_FILTER_HIDE_WATCHED";
    private static final String TVSHOW_EPISODES_FILTER_HIDE_WATCHED = "TVSHOW_EPISODES_FILTER_HIDE_WATCHED";

    private static final String SHOW_THANKS_FOR_COFFEE_MESSAGE = "SHOW_THANKS_FOR_COFFEE_MESSAGE";
    private static final String HAS_BOUGHT_COFFEE = "HAS_BOUGHT_COFFEE";

    // Default values
    private static final int DEFAULT_MAX_CAST_PICTURES = 12;

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

    /**
     * Current saved host id
     */
	public int currentHostId;
    /**
     * Maximum pictures to show on cast list (-1 to show all)
     */
    public int maxCastPictures;
    /**
     * Filter watched movies on movie list
     */
    public boolean moviesFilterHideWatched;
    /**
     * Filter watched tv shows on list (all episodes)
     */
    public boolean tvshowsFilterHideWatched;
    /**
     * Filter watched episodes of a tv shows on list
     */
    public boolean tvshowEpisodesFilterHideWatched;

    /**
     * Show the thanks for coffee message
     */
    public boolean showThanksForCofeeMessage;

    /**
     * Local variable to save the last state of the coffe purchase
     */
    public boolean hasBoughtCoffee;

	/**
	 * 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);
        maxCastPictures = preferences.getInt(MAX_CAST_PICTURES, DEFAULT_MAX_CAST_PICTURES);
//        maxCastPictures = 12;
        moviesFilterHideWatched = preferences.getBoolean(MOVIES_FILTER_HIDE_WATCHED, false);
        tvshowsFilterHideWatched = preferences.getBoolean(TVSHOWS_FILTER_HIDE_WATCHED, false);
        tvshowEpisodesFilterHideWatched = preferences.getBoolean(TVSHOW_EPISODES_FILTER_HIDE_WATCHED, false);
        showThanksForCofeeMessage = preferences.getBoolean(SHOW_THANKS_FOR_COFFEE_MESSAGE, true);
        hasBoughtCoffee = preferences.getBoolean(HAS_BOUGHT_COFFEE, false);
    }

    /**
     * Returns the singleton {@link com.syncedsynapse.kore2.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.putInt(MAX_CAST_PICTURES, maxCastPictures);
        editor.putBoolean(MOVIES_FILTER_HIDE_WATCHED, moviesFilterHideWatched);
        editor.putBoolean(TVSHOWS_FILTER_HIDE_WATCHED, tvshowsFilterHideWatched);
        editor.putBoolean(TVSHOW_EPISODES_FILTER_HIDE_WATCHED, tvshowEpisodesFilterHideWatched);
        editor.putBoolean(SHOW_THANKS_FOR_COFFEE_MESSAGE, showThanksForCofeeMessage);
        editor.putBoolean(HAS_BOUGHT_COFFEE, hasBoughtCoffee);
		editor.apply();
	}
}