package eu.siacs.conversations.ui;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Locale;

import de.tzur.conversations.Settings;
import eu.siacs.conversations.entities.Account;

import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.Build;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.PreferenceManager;

public class SettingsActivity extends XmppActivity implements
		OnSharedPreferenceChangeListener {
	private SettingsFragment mSettingsFragment;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		mSettingsFragment = new SettingsFragment();
		getFragmentManager().beginTransaction()
				.replace(android.R.id.content, mSettingsFragment).commit();
	}

	@Override
	void onBackendConnected() {

	}

	@Override
	public void onStart() {
		super.onStart();
		PreferenceManager.getDefaultSharedPreferences(this)
				.registerOnSharedPreferenceChangeListener(this);
		ListPreference resources = (ListPreference) mSettingsFragment
				.findPreference("resource");
		if (resources != null) {
			ArrayList<CharSequence> entries = new ArrayList<CharSequence>(
					Arrays.asList(resources.getEntries()));
			entries.add(0, Build.MODEL);
			resources.setEntries(entries.toArray(new CharSequence[entries
					.size()]));
			resources.setEntryValues(entries.toArray(new CharSequence[entries
					.size()]));
		}
	}

	@Override
	public void onStop() {
		super.onStop();
		PreferenceManager.getDefaultSharedPreferences(this)
				.unregisterOnSharedPreferenceChangeListener(this);
	}

	@Override
	public void onSharedPreferenceChanged(SharedPreferences preferences,
			String name) {
        // need to synchronize the settings class first
        Settings.synchronizeSettingsClassWithPreferences(getPreferences(), name);
        switch (name) {
            case "resource":
                String resource = preferences.getString("resource", "mobile")
                        .toLowerCase(Locale.US);
                if (xmppConnectionServiceBound) {
                    for (Account account : xmppConnectionService.getAccounts()) {
                        account.setResource(resource);
                        if (!account.isOptionSet(Account.OPTION_DISABLED)) {
                            xmppConnectionService.reconnectAccountInBackground(account);
                        }
                    }
                }
                break;
            case "keep_foreground_service":
                xmppConnectionService.toggleForegroundService();
                break;
			case "confirm_messages_list":
				if (xmppConnectionServiceBound) {
					for (Account account : xmppConnectionService.getAccounts()) {
						if (!account.isOptionSet(Account.OPTION_DISABLED)) {
							xmppConnectionService.sendPresence(account);
						}
					}
				}
				break;
        }
	}

}