package eu.siacs.conversations.ui;

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

import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.xmpp.XmppConnection;

import android.app.Fragment;
import android.app.FragmentManager;
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);
		FragmentManager fm = getFragmentManager();
		mSettingsFragment = (SettingsFragment) fm.findFragmentById(android.R.id.content);
		if (mSettingsFragment == null || !mSettingsFragment.getClass().equals(SettingsFragment.class)) {
			mSettingsFragment = new SettingsFragment();
			fm.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<>(Arrays.asList(resources.getEntries()));
			if (!entries.contains(Build.MODEL)) {
				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) {
		if (name.equals("resource")) {
			String resource = preferences.getString("resource", "mobile")
					.toLowerCase(Locale.US);
			if (xmppConnectionServiceBound) {
				for (Account account : xmppConnectionService.getAccounts()) {
					if (account.setResource(resource)) {
						if (!account.isOptionSet(Account.OPTION_DISABLED)) {
							XmppConnection connection = account.getXmppConnection();
							if (connection != null) {
								connection.resetStreamId();
							}
							xmppConnectionService.reconnectAccountInBackground(account);
						}
					}
				}
			}
		} else if (name.equals("keep_foreground_service")) {
			xmppConnectionService.toggleForegroundService();
		} else if (name.equals("confirm_messages")) {
			if (xmppConnectionServiceBound) {
				for (Account account : xmppConnectionService.getAccounts()) {
					if (!account.isOptionSet(Account.OPTION_DISABLED)) {
						xmppConnectionService.sendPresence(account);
					}
				}
			}
		} else if (name.equals("dont_trust_system_cas")) {
			xmppConnectionService.updateMemorizingTrustmanager();
		}
	}
}