Prefs.java

package kc.spark.pixels.android.storage;

import static org.solemnsilence.util.Py.list;

import java.util.List;

//import kc.get.pixel.list.android.ui.tinker.PinAction;


import android.content.Context;
import android.content.SharedPreferences;


public class Prefs {


	private static final String BUCKET_NAME = "defaultPrefsBucket";

	private static final String KEY_USERNAME = "username";
	private static final String KEY_TOKEN = "token";
	private static final String KEY_COMPLETED_FIRST_LOGIN = "completedFirstLogin";
	private static final String KEY_CORES_JSON_ARRAY = "coresJsonArray";
	private static final String KEY_PIN_CONFIG_TEMPLATE = "corePinConfig_core-$1%s_pin-$2%s";

	private static Prefs instance = null;

	// making this a singleton to avoid having to pass around Context everywhere
	// that this info is needed. Kind of cheating, but in practice, it will be
	// fine here.
	public static Prefs getInstance() {
		return instance;
	}

	public static void initialize(Context ctx) {
		instance = new Prefs(ctx);
	}


	private final SharedPreferences prefs;


	private Prefs(Context context) {
		prefs = context.getApplicationContext()
				.getSharedPreferences(BUCKET_NAME, Context.MODE_PRIVATE);
	}


	public String getUsername() {
		return prefs.getString(KEY_USERNAME, null);
	}

	public void saveUsername(String username) {
		saveString(KEY_USERNAME, username);
	}

	public String getToken() {
		return prefs.getString(KEY_TOKEN, null);
	}

	public void saveToken(String token) {
		saveString(KEY_TOKEN, token);
	}

	public boolean getCompletedFirstLogin() {
		return prefs.getBoolean(KEY_COMPLETED_FIRST_LOGIN, false);
	}

	public void saveCompletedFirstLogin(boolean value) {
		prefs.edit().putBoolean(KEY_COMPLETED_FIRST_LOGIN, value).commit();
	}

	public String getCoresJsonArray() {
		return prefs.getString(KEY_CORES_JSON_ARRAY, "[]");
	}

	public void saveCoresJsonArray(String coresJson) {
		saveString(KEY_CORES_JSON_ARRAY, coresJson);
	}

/*
	public PinAction getPinFunction(String coreId, String pinName) {
		String key = String.format(KEY_PIN_CONFIG_TEMPLATE, coreId, pinName);
		return PinAction.valueOf(
				prefs.getString(key, PinAction.NONE.name()));
	}

	public void savePinFunction(String coreId, String pinName, PinAction function) {
		String key = String.format(KEY_PIN_CONFIG_TEMPLATE, coreId, pinName);
		applyString(key, function.name());
	}

	public void clearTinker(String coreId) {
		List<String> pinNames = list("A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "D0", "D1",
				"D2", "D3", "D4", "D5", "D6", "D7");
		for (String pinName : pinNames) {
			savePinFunction(coreId, pinName, PinAction.NONE);
		}
	}
*/
	public void clear() {
		boolean completed = getCompletedFirstLogin();
		String username = getUsername();
		prefs.edit().clear().commit();
		saveCompletedFirstLogin(completed);
		saveUsername(username);
	}

	private void saveString(String key, String value) {
		prefs.edit().putString(key, value).commit();
	}

	private void applyString(String key, String value) {
		prefs.edit().putString(key, value).apply();
	}

}