package org.linphone;

/*
LinphonePreferences.java
Copyright (C) 2017  Belledonne Communications, Grenoble, France

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;

import org.linphone.core.AVPFMode;
import org.linphone.core.Address;
import org.linphone.core.TransportType;
import org.linphone.core.AuthInfo;
import org.linphone.core.Core;
import org.linphone.core.LimeState;
import org.linphone.core.MediaEncryption;
import org.linphone.core.LogCollectionState;
import org.linphone.core.Transports;
import org.linphone.core.CoreException;
import org.linphone.core.Factory;
import org.linphone.core.NatPolicy;
import org.linphone.core.ProxyConfig;
import org.linphone.core.Config;
//import org.linphone.core.TunnelConfig;
import org.linphone.core.Tunnel;
import org.linphone.core.TunnelConfig;
import org.linphone.core.VideoActivationPolicy;
import org.linphone.mediastream.Log;
import org.linphone.purchase.Purchasable;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;

public class LinphonePreferences {
	private static final int LINPHONE_CORE_RANDOM_PORT = -1;
	private static LinphonePreferences instance;
	private Context mContext;
	private String basePath;

	public static final synchronized LinphonePreferences instance() {
		if (instance == null) {
			instance = new LinphonePreferences();
		}
		return instance;
	}

	private LinphonePreferences() {

	}

	public void setContext(Context c) {
		mContext = c;
		basePath = mContext.getFilesDir().getAbsolutePath();
	}

	private String getString(int key) {
		if (mContext == null && LinphoneManager.isInstanciated()) {
			mContext = LinphoneManager.getInstance().getContext();
		}

		return mContext.getString(key);
	}

	private Core getLc() {
		if (!LinphoneManager.isInstanciated())
			return null;

		return LinphoneManager.getLcIfManagerNotDestroyedOrNull();
	}

	public Config getConfig() {
		Core lc = getLc();
		if (lc != null) {
			return lc.getConfig();
		}

		if (!LinphoneManager.isInstanciated()) {
			File linphonerc = new File(basePath + "/.linphonerc");
			if (linphonerc.exists()) {
				return Factory.instance().createConfig(linphonerc.getAbsolutePath());
			} else if (mContext != null) {
				InputStream inputStream = mContext.getResources().openRawResource(R.raw.linphonerc_default);
			    InputStreamReader inputreader = new InputStreamReader(inputStream);
			    BufferedReader buffreader = new BufferedReader(inputreader);
			    StringBuilder text = new StringBuilder();
			    String line;
				try {
				    while ((line = buffreader.readLine()) != null) {
			            text.append(line);
			            text.append('\n');
			        }
				} catch (IOException ioe) {
					Log.e(ioe);
				}
			    return Factory.instance().createConfigFromString(text.toString());
			}
		} else {
			return Factory.instance().createConfig(LinphoneManager.getInstance().mConfigFile);
		}
		return null;
	}

	public void removePreviousVersionAuthInfoRemoval() {
		getConfig().setBool("sip", "store_auth_info", true);
	}

	// App settings
	public boolean isFirstLaunch() {
		return getConfig().getBool("app", "first_launch", true);
	}

	public void firstLaunchSuccessful() {
		getConfig().setBool("app", "first_launch", false);
	}

	public String getRingtone(String defaultRingtone) {
		String ringtone = getConfig().getString("app", "ringtone", defaultRingtone);
		if (ringtone == null || ringtone.length() == 0)
			ringtone = defaultRingtone;
		return ringtone;
	}

	public void setRingtone(String ringtonePath) {
		getConfig().setString("app", "ringtone", ringtonePath);

	}

	public boolean shouldAutomaticallyAcceptFriendsRequests() {
		return false; //TODO
	}
	// End of app settings

	// Accounts settings
	private ProxyConfig getProxyConfig(int n) {
		ProxyConfig[] prxCfgs = getLc().getProxyConfigList();
		if (n < 0 || n >= prxCfgs.length)
			return null;
		return prxCfgs[n];
	}

	private AuthInfo getAuthInfo(int n) {
		ProxyConfig prxCfg = getProxyConfig(n);
		if (prxCfg == null) return null;
		Address addr = prxCfg.getIdentityAddress();
		AuthInfo authInfo = getLc().findAuthInfo(null, addr.getUsername(), addr.getDomain());
		return authInfo;
	}

	/**
	 * Removes a authInfo from the core and returns a copy of it.
	 * Useful to edit a authInfo (you should call saveAuthInfo after the modifications to save them).
	 */
	private AuthInfo getClonedAuthInfo(int n) {
		AuthInfo authInfo = getAuthInfo(n);
		if (authInfo == null)
			return null;

		AuthInfo cloneAuthInfo = authInfo.clone();
		getLc().removeAuthInfo(authInfo);
		return cloneAuthInfo;
	}

	/**
	 * Saves a authInfo into the core.
	 * Useful to save the changes made to a cloned authInfo.
	 */
	private void saveAuthInfo(AuthInfo authInfo) {
		getLc().addAuthInfo(authInfo);
	}

	public static class AccountBuilder {
		private Core lc;
		private String tempUsername;
		private String tempDisplayName;
		private String tempUserId;
		private String tempPassword;
		private String tempHa1;
		private String tempDomain;
		private String tempProxy;
		private String tempRealm;
		private String tempPrefix;
		private boolean tempOutboundProxy;
		private String tempContactsParams;
		private String tempExpire;
		private TransportType tempTransport;
		private boolean tempAvpfEnabled = false;
		private int tempAvpfRRInterval = 0;
		private String tempQualityReportingCollector;
		private boolean tempQualityReportingEnabled = false;
		private int tempQualityReportingInterval = 0;
		private boolean tempEnabled = true;
		private boolean tempNoDefault = false;


		public AccountBuilder(Core lc) {
			this.lc = lc;
		}

		public AccountBuilder setTransport(TransportType transport) {
			tempTransport = transport;
			return this;
		}

		public AccountBuilder setUsername(String username) {
			tempUsername = username;
			return this;
		}

		public AccountBuilder setDisplayName(String displayName) {
			tempDisplayName = displayName;
			return this;
		}

		public AccountBuilder setPassword(String password) {
			tempPassword = password;
			return this;
		}

		public AccountBuilder setHa1(String ha1) {
			tempHa1 = ha1;
			return this;
		}

		public AccountBuilder setDomain(String domain) {
			tempDomain = domain;
			return this;
		}

		public AccountBuilder setServerAddr(String proxy) {
			tempProxy = proxy;
			return this;
		}

		public AccountBuilder setOutboundProxyEnabled(boolean enabled) {
			tempOutboundProxy = enabled;
			return this;
		}

		public AccountBuilder setContactParameters(String contactParams) {
			tempContactsParams = contactParams;
			return this;
		}

		public AccountBuilder setExpires(String expire) {
			 tempExpire = expire;
			return this;
		}

		public AccountBuilder setUserid(String userId) {
			tempUserId = userId;
			return this;
		}

		public AccountBuilder setAvpfEnabled(boolean enable) {
			tempAvpfEnabled = enable;
			return this;
		}

		public AccountBuilder setAvpfRrInterval(int interval) {
			tempAvpfRRInterval = interval;
			return this;
		}

		public AccountBuilder setRealm(String realm) {
			tempRealm = realm;
			return this;
		}

		public AccountBuilder setQualityReportingCollector(String collector) {
			tempQualityReportingCollector = collector;
			return this;
		}

		public AccountBuilder setPrefix(String prefix) {
			tempPrefix = prefix;
			return this;
		}

		public AccountBuilder setQualityReportingEnabled(boolean enable) {
			tempQualityReportingEnabled = enable;
			return this;
		}

		public AccountBuilder setQualityReportingInterval(int interval) {
			tempQualityReportingInterval = interval;
			return this;
		}

		public AccountBuilder setEnabled(boolean enable) {
			tempEnabled = enable;
			return this;
		}

		public AccountBuilder setNoDefault(boolean yesno) {
			tempNoDefault = yesno;
			return this;
		}

		/**
		 * Creates a new account
		 * @throws CoreException
		 */
		public void saveNewAccount() throws CoreException {

			if (tempUsername == null || tempUsername.length() < 1 || tempDomain == null || tempDomain.length() < 1) {
				Log.w("Skipping account save: username or domain not provided");
				return;
			}

			String identity = "sip:" + tempUsername + "@" + tempDomain;
			String proxy = "sip:";
			if (tempProxy == null) {
				proxy += tempDomain;
			} else {
				if (!tempProxy.startsWith("sip:") && !tempProxy.startsWith("<sip:")
					&& !tempProxy.startsWith("sips:") && !tempProxy.startsWith("<sips:")) {
					proxy += tempProxy;
				} else {
					proxy = tempProxy;
				}
			}
			Address proxyAddr = Factory.instance().createAddress(proxy);
			Address identityAddr = Factory.instance().createAddress(identity);

			if (tempDisplayName != null) {
				identityAddr.setDisplayName(tempDisplayName);
			}

			if (tempTransport != null) {
				proxyAddr.setTransport(tempTransport);
			}

			String route = tempOutboundProxy ? proxyAddr.asStringUriOnly() : null;

			ProxyConfig prxCfg = lc.createProxyConfig();
			prxCfg.setIdentityAddress(identityAddr);
			prxCfg.setServerAddr(proxyAddr.asStringUriOnly());
			prxCfg.setRoute(route);
			prxCfg.enableRegister(tempEnabled);

			if (tempContactsParams != null)
				prxCfg.setContactUriParameters(tempContactsParams);
			if (tempExpire != null) {
				prxCfg.setExpires(Integer.parseInt(tempExpire));
			}

			prxCfg.setAvpfMode(AVPFMode.Enabled);
			prxCfg.setAvpfRrInterval(tempAvpfRRInterval);
			prxCfg.enableQualityReporting(tempQualityReportingEnabled);
			prxCfg.setQualityReportingCollector(tempQualityReportingCollector);
			prxCfg.setQualityReportingInterval(tempQualityReportingInterval);

			String regId = LinphonePreferences.instance().getPushNotificationRegistrationID();
			String appId = LinphonePreferences.instance().getString(R.string.push_sender_id);
			if (regId != null && LinphonePreferences.instance().isPushNotificationEnabled()) {
				String contactInfos = "app-id=" + appId + ";pn-type=" + LinphonePreferences.instance().getString(R.string.push_type) + ";pn-tok=" + regId + ";pn-silent=1";
				prxCfg.setContactUriParameters(contactInfos);
			}

			if(tempPrefix != null){
				prxCfg.setDialPrefix(tempPrefix);
			}


			if(tempRealm != null)
				prxCfg.setRealm(tempRealm);

			AuthInfo authInfo = Factory.instance().createAuthInfo(tempUsername, tempUserId, tempPassword, tempHa1, tempRealm, tempDomain);

			lc.addProxyConfig(prxCfg);
			lc.addAuthInfo(authInfo);

			if (!tempNoDefault)
				lc.setDefaultProxyConfig(prxCfg);
		}
	}

	public void setAccountTransport(int n, String transport) {
		ProxyConfig proxyConfig = getProxyConfig(n);

		if (proxyConfig != null && transport != null) {
			Address proxyAddr;
			proxyAddr = Factory.instance().createAddress(proxyConfig.getServerAddr());
			int port = 0;
			if (transport.equals(getString(R.string.pref_transport_udp_key))) {
				proxyAddr.setTransport(TransportType.Udp);

			} else if (transport.equals(getString(R.string.pref_transport_tcp_key))) {
				proxyAddr.setTransport(TransportType.Tcp);
			} else if (transport.equals(getString(R.string.pref_transport_tls_key))) {
				proxyAddr.setTransport(TransportType.Tls);
				port = 5223;
			}

                /* 3G mobile firewall might block random TLS port, so we force use of 5223.
                 * However we must NOT use this port when changing to TCP/UDP because otherwise
                  * REGISTER (and everything actually) will fail...
                  * */
			if ("sip.linphone.org".equals(proxyConfig.getDomain())) {
				proxyAddr.setPort(port);
			}

			ProxyConfig prxCfg = getProxyConfig(n);
			prxCfg.edit();
			prxCfg.setServerAddr(proxyAddr.asStringUriOnly());
			prxCfg.done();

			if (isAccountOutboundProxySet(n)) {
				setAccountOutboundProxyEnabled(n, true);
			}
		}
	}

	public TransportType getAccountTransport(int n) {
		TransportType transport = null;
		ProxyConfig proxyConfig = getProxyConfig(n);

		if (proxyConfig != null) {
			Address proxyAddr;
			proxyAddr = Factory.instance().createAddress(proxyConfig.getServerAddr());
			transport = proxyAddr.getTransport();
		}

		return transport;
	}

	public String getAccountTransportKey(int n) {
		TransportType transport = getAccountTransport(n);
		String key = getString(R.string.pref_transport_udp_key);

		if (transport != null && transport == TransportType.Tcp)
			key = getString(R.string.pref_transport_tcp_key);
		else if (transport != null && transport == TransportType.Tls)
			key = getString(R.string.pref_transport_tls_key);

		return key;
	}

	public String getAccountTransportString(int n) {
		TransportType transport = getAccountTransport(n);

		if (transport != null && transport == TransportType.Tcp)
			return getString(R.string.pref_transport_tcp);
		else if (transport != null && transport == TransportType.Tls)
			return getString(R.string.pref_transport_tls);

		return getString(R.string.pref_transport_udp);
	}

	public void setAccountUsername(int n, String username) {
		String identity = "sip:" + username + "@" + getAccountDomain(n);
		AuthInfo old_info = getAuthInfo(n);
		ProxyConfig prxCfg = getProxyConfig(n);
		if (prxCfg == null) {
			Log.e("Error, no proxy config at index " + n);
			return;
		}
		prxCfg.edit();
		prxCfg.setIdentityAddress(Factory.instance().createAddress(identity));
		prxCfg.enableRegister(true);
		prxCfg.done();

		if (old_info != null) {
			// We have to remove the previous auth info after otherwise we can't unregister the previous proxy config
			AuthInfo new_info = old_info.clone();
			getLc().removeAuthInfo(old_info);
			new_info.setUsername(username);
			saveAuthInfo(new_info);
		}
	}

	public String getAccountUsername(int n) {
		AuthInfo authInfo = getAuthInfo(n);
		return authInfo == null ? null : authInfo.getUsername();
	}

	public void setAccountDisplayName(int n, String displayName) {
		try {
			ProxyConfig prxCfg = getProxyConfig(n);
			Address addr = prxCfg.getIdentityAddress();
			addr.setDisplayName(displayName);
			prxCfg.edit();
			prxCfg.setIdentityAddress(addr);
			prxCfg.done();
		} catch (Exception e) {
			Log.e(e);
		}
	}

	public String getAccountDisplayName(int n) {
		if (getProxyConfig(n) == null || getProxyConfig(n).getIdentityAddress() == null) return null;
		return getProxyConfig(n).getIdentityAddress().getDisplayName();
	}

	public void setAccountUserId(int n, String userId) {
		AuthInfo info = getClonedAuthInfo(n);
		if(info != null) {
			info.setUserid(userId);
			saveAuthInfo(info);
		}
	}

	public String getAccountUserId(int n) {
		AuthInfo authInfo = getAuthInfo(n);
		return authInfo == null ? null : authInfo.getUserid();
	}

	public String getAccountRealm(int n) {
		AuthInfo authInfo = getAuthInfo(n);
		return authInfo == null ? null : authInfo.getRealm();
	}

	public void setAccountPassword(int n, String password) {
		setAccountPassword(n, password, null);
	}

	public void setAccountHa1(int n, String ha1) {
		setAccountPassword(n, null, ha1);
	}

	private void setAccountPassword(int n, String password, String ha1) {
		String user = getAccountUsername(n);
		String domain = getAccountDomain(n);
		String userid = null;
		String realm = null;
		if (user != null && domain != null) {
			if (LinphoneManager.getLc().getAuthInfoList().length > n && LinphoneManager.getLc().getAuthInfoList()[n] != null) {
				userid = getAccountUserId(n);
				realm = getAccountRealm(n);
				LinphoneManager.getLc().removeAuthInfo(LinphoneManager.getLc().getAuthInfoList()[n]);
			}
			AuthInfo authInfo = Factory.instance().createAuthInfo(
					user, userid, password, ha1, realm, domain);
			LinphoneManager.getLc().addAuthInfo(authInfo);
		}
	}

	public String getAccountPassword(int n) {
		AuthInfo authInfo = getAuthInfo(n);
		return authInfo == null ? null : authInfo.getPassword();
	}

	public String getAccountHa1(int n) {
		AuthInfo authInfo = getAuthInfo(n);
		return authInfo == null ? null : authInfo.getHa1();
	}

	public void setAccountIce(int n, boolean ice) {
		try {
			ProxyConfig prxCfg = getProxyConfig(n);
			prxCfg.edit();
			prxCfg.getNatPolicy().enableIce(ice);
			prxCfg.getNatPolicy().enableStun(ice);
			prxCfg.done();
		} catch (Exception e) {
			Log.e(e);
		}
	}

	public boolean getAccountIce(int n) {
		if (getProxyConfig(n) == null || getProxyConfig(n).getNatPolicy() == null) return false;
		return getProxyConfig(n).getNatPolicy().iceEnabled();
	}

	public void setAccountStunServer(int n, String stun) {
		try {
			ProxyConfig prxCfg = getProxyConfig(n);
			prxCfg.edit();
			NatPolicy np = prxCfg.getNatPolicy();
			np.setStunServer(stun);
			prxCfg.done();
		} catch (Exception e) {
			Log.e(e);
		}
	}

	public String getAccountStunServer(int n) {
		if (getProxyConfig(n) == null || getProxyConfig(n).getNatPolicy() == null) return "";
		return getProxyConfig(n).getNatPolicy().getStunServer();
	}

	public void setAccountDomain(int n, String domain) {
		String identity = "sip:" + getAccountUsername(n) + "@" + domain;
		AuthInfo old_info = getAuthInfo(n);
		ProxyConfig prxCfg = getProxyConfig(n);
		prxCfg.edit();
		prxCfg.setIdentityAddress(Factory.instance().createAddress(identity));
		prxCfg.enableRegister(true);
		prxCfg.done();

		if (old_info != null) {
			// We have to remove the previous auth info after otherwise we can't unregister the previous proxy config
			AuthInfo new_info = old_info.clone();
			getLc().removeAuthInfo(old_info);
			new_info.setDomain(domain);
			saveAuthInfo(new_info);
		}
	}

	public String getAccountDomain(int n) {
		ProxyConfig proxyConf = getProxyConfig(n);
		return (proxyConf != null) ? proxyConf.getDomain() : "";
	}

	public void setAccountProxy(int n, String proxy) {
		if (proxy == null || proxy.length() <= 0) {
			proxy = getAccountDomain(n);
		}

		if (!proxy.contains("sip:")) {
			proxy = "sip:" + proxy;
		}

		Address proxyAddr = Factory.instance().createAddress(proxy);
		if (!proxy.contains("transport=")) {
			proxyAddr.setTransport(getAccountTransport(n));
		}

		ProxyConfig prxCfg = getProxyConfig(n);
		prxCfg.edit();
		prxCfg.setServerAddr(proxyAddr.asStringUriOnly());
		prxCfg.done();

		if (isAccountOutboundProxySet(n)) {
			setAccountOutboundProxyEnabled(n, true);
		}
	}

	public String getAccountProxy(int n) {
		String proxy = getProxyConfig(n).getServerAddr();
		return proxy;
	}


	public void setAccountOutboundProxyEnabled(int n, boolean enabled) {
		ProxyConfig prxCfg = getProxyConfig(n);
		prxCfg.edit();
		if (enabled) {
			String route = prxCfg.getServerAddr();
			prxCfg.setRoute(route);
		} else {
			prxCfg.setRoute(null);
		}
		prxCfg.done();
	}

	public boolean isAccountOutboundProxySet(int n) {
		return getProxyConfig(n).getRoute() != null;
	}

	public void setAccountContactParameters(int n, String contactParams) {
		ProxyConfig prxCfg = getProxyConfig(n);
		prxCfg.edit();
		prxCfg.setContactUriParameters(contactParams);
		prxCfg.done();
	}

	public String getExpires(int n) {
		return String.valueOf(getProxyConfig(n).getExpires());
	}

	public void setExpires(int n, String expire) {
		try {
			ProxyConfig prxCfg = getProxyConfig(n);
			prxCfg.edit();
			prxCfg.setExpires(Integer.parseInt(expire));
			prxCfg.done();
		} catch (NumberFormatException nfe) { }
	}

	public String getPrefix(int n) {
		return getProxyConfig(n).getDialPrefix();
	}

	public void setPrefix(int n, String prefix) {
		ProxyConfig prxCfg = getProxyConfig(n);
		prxCfg.edit();
		prxCfg.setDialPrefix(prefix);
		prxCfg.done();
	}

	public boolean avpfEnabled(int n) {
		return getProxyConfig(n).avpfEnabled();
	}

	public void setAvpfMode(int n, boolean enable) {
		ProxyConfig prxCfg = getProxyConfig(n);
		prxCfg.edit();
		prxCfg.setAvpfMode(enable ? AVPFMode.Enabled : AVPFMode.Disabled);
		prxCfg.done();
	}

	public String getAvpfRrInterval(int n) {
		return String.valueOf(getProxyConfig(n).getAvpfRrInterval());
	}

	public void setAvpfRrInterval(int n, String interval) {
		try {
			ProxyConfig prxCfg = getProxyConfig(n);
			prxCfg.edit();
			prxCfg.setAvpfRrInterval(Integer.parseInt(interval));
			prxCfg.done();
		} catch (NumberFormatException nfe) { }
	}

	public boolean getReplacePlusByZeroZero(int n) {
		return getProxyConfig(n).getDialEscapePlus();
	}

	public void setReplacePlusByZeroZero(int n, boolean replace) {
		ProxyConfig prxCfg = getProxyConfig(n);
		prxCfg.edit();
		prxCfg.setDialEscapePlus(replace);
		prxCfg.done();
	}

	public void enablePushNotifForProxy(int n, boolean enable) {
		ProxyConfig prxCfg = getProxyConfig(n);
		prxCfg.edit();
		prxCfg.setPushNotificationAllowed(enable);
		prxCfg.done();

		setPushNotificationEnabled(isPushNotificationEnabled());
	}

	public boolean isPushNotifEnabledForProxy(int n) {
		ProxyConfig prxCfg = getProxyConfig(n);
		return prxCfg.isPushNotificationAllowed();
	}

	public boolean isFriendlistsubscriptionEnabled() {
		return getConfig().getBool("app", "friendlist_subscription_enabled", false);
	}

	public void enabledFriendlistSubscription(boolean enabled) {
		getConfig().setBool("app", "friendlist_subscription_enabled", enabled);

	}

	public void setDefaultAccount(int accountIndex) {
		ProxyConfig[] prxCfgs = getLc().getProxyConfigList();
		if (accountIndex >= 0 && accountIndex < prxCfgs.length)
			getLc().setDefaultProxyConfig(prxCfgs[accountIndex]);
	}

	public int getDefaultAccountIndex() {
		if (getLc() == null)
			return -1;
		ProxyConfig defaultPrxCfg = getLc().getDefaultProxyConfig();
		if (defaultPrxCfg == null)
			return -1;

		ProxyConfig[] prxCfgs = getLc().getProxyConfigList();
		for (int i = 0; i < prxCfgs.length; i++) {
			if (defaultPrxCfg.getIdentityAddress().equals(prxCfgs[i].getIdentityAddress())) {
				return i;
			}
		}
		return -1;
	}

	public int getAccountCount() {
		if (getLc() == null || getLc().getProxyConfigList() == null)
			return 0;

		return getLc().getProxyConfigList().length;
	}

	public void setAccountEnabled(int n, boolean enabled) {
		ProxyConfig prxCfg = getProxyConfig(n);
		if (prxCfg == null) {
			LinphoneUtils.displayErrorAlert(getString(R.string.error), mContext);
			return;
		}
		prxCfg.edit();
		prxCfg.enableRegister(enabled);
		prxCfg.done();

		// If default proxy config is disabled, try to set another one as default proxy
		if (!enabled && getLc().getDefaultProxyConfig().getIdentityAddress().equals(prxCfg.getIdentityAddress())) {
			int count = getLc().getProxyConfigList().length;
			if (count > 1) {
				for (int i = 0; i < count; i++) {
					if (isAccountEnabled(i)) {
						getLc().setDefaultProxyConfig(getProxyConfig(i));
						break;
					}
				}
			}
		}
	}

	public boolean isAccountEnabled(int n) {
		return getProxyConfig(n).registerEnabled();
	}

	public void resetDefaultProxyConfig(){
		int count = getLc().getProxyConfigList().length;
		for (int i = 0; i < count; i++) {
			if (isAccountEnabled(i)) {
				getLc().setDefaultProxyConfig(getProxyConfig(i));
				break;
			}
		}

		if(getLc().getDefaultProxyConfig() == null){
			getLc().setDefaultProxyConfig(getProxyConfig(0));
		}
	}

	public void deleteAccount(int n) {
		ProxyConfig proxyCfg = getProxyConfig(n);
		if (proxyCfg != null)
			getLc().removeProxyConfig(proxyCfg);
		if (getLc().getProxyConfigList().length != 0) {
			resetDefaultProxyConfig();
		} else {
			getLc().setDefaultProxyConfig(null);
		}

		AuthInfo authInfo = getAuthInfo(n);
		if (authInfo != null) {
			getLc().removeAuthInfo(authInfo);
		}

		getLc().refreshRegisters();
	}
	// End of accounts settings

	// Audio settings
	public void setEchoCancellation(boolean enable) {
		getLc().enableEchoCancellation(enable);
	}

	public boolean echoCancellationEnabled() {
		return getLc().echoCancellationEnabled();
	}

	public int getEchoCalibration() {
		return getConfig().getInt("sound", "ec_delay", -1);
	}

	public boolean isEchoConfigurationUpdated() {
		return getConfig().getBool("app", "ec_updated", false);
	}

	public void echoConfigurationUpdated() {
		getConfig().setBool("app", "ec_updated", true);
	}
	// End of audio settings

	// Video settings
	public boolean useFrontCam() {
		return getConfig().getBool("app", "front_camera_default", true);
	}

	public void setFrontCamAsDefault(boolean frontcam) {
		getConfig().setBool("app", "front_camera_default", frontcam);
	}

	public boolean isVideoEnabled() {
		return getLc().videoSupported() && getLc().videoEnabled();
	}

	public void enableVideo(boolean enable) {
		getLc().enableVideoCapture(enable);
		getLc().enableVideoDisplay(enable);
	}

	public boolean shouldInitiateVideoCall() {
		return getLc().getVideoActivationPolicy().getAutomaticallyInitiate();
	}

	public void setInitiateVideoCall(boolean initiate) {
		VideoActivationPolicy vap = getLc().getVideoActivationPolicy();
		vap.setAutomaticallyInitiate(initiate);
		getLc().setVideoActivationPolicy(vap);
	}

	public boolean shouldAutomaticallyAcceptVideoRequests() {
		VideoActivationPolicy vap = getLc().getVideoActivationPolicy();
		return vap.getAutomaticallyAccept();
	}

	public void setAutomaticallyAcceptVideoRequests(boolean accept) {
		VideoActivationPolicy vap = getLc().getVideoActivationPolicy();
		vap.setAutomaticallyAccept(accept);
		getLc().setVideoActivationPolicy(vap);
	}

	public String getVideoPreset() {
		String preset = getLc().getVideoPreset();
		if (preset == null) preset = "default";
		return preset;
	}

	public void setVideoPreset(String preset) {
		if (preset.equals("default")) preset = null;
		getLc().setVideoPreset(preset);
		preset = getVideoPreset();
		if (!preset.equals("custom")) {
			getLc().setPreferredFramerate(0);
		}
		setPreferredVideoSize(getPreferredVideoSize()); // Apply the bandwidth limit
	}

	public String getPreferredVideoSize() {
		//Core can only return video size (width and height), not the name
		return getConfig().getString("video", "size", "qvga");
	}

	public void setPreferredVideoSize(String preferredVideoSize) {
		getLc().setPreferredVideoSizeByName(preferredVideoSize);
	}

	public int getPreferredVideoFps() {
		return (int)getLc().getPreferredFramerate();
	}

	public void setPreferredVideoFps(int fps) {
		getLc().setPreferredFramerate(fps);
	}

	public int getBandwidthLimit() {
		return getLc().getDownloadBandwidth();
	}

	public void setBandwidthLimit(int bandwidth) {
		getLc().setUploadBandwidth(bandwidth);
		getLc().setDownloadBandwidth(bandwidth);
	}
	// End of video settings

	// Call settings
	public boolean useRfc2833Dtmfs() {
		return getLc().getUseRfc2833ForDtmf();
	}

	public void sendDtmfsAsRfc2833(boolean use) {
		getLc().setUseRfc2833ForDtmf(use);
	}

	public boolean useSipInfoDtmfs() {
		return getLc().getUseInfoForDtmf();
	}

	public void sendDTMFsAsSipInfo(boolean use) {
		getLc().setUseInfoForDtmf(use);
	}

	public int getIncTimeout() {
		return getLc().getIncTimeout();
	}

	public void setIncTimeout(int timeout) {
		getLc().setIncTimeout(timeout);
	}

	public int getInCallTimeout() {
		return getLc().getInCallTimeout();
	}

	public void setInCallTimeout(int timeout) {
		getLc().setInCallTimeout(timeout);
	}

	public String getVoiceMailUri() {
		return getConfig().getString("app", "voice_mail", null);
	}

	public void setVoiceMailUri(String uri) {
		getConfig().setString("app", "voice_mail", uri);
	}

	public boolean getNativeDialerCall() {
		return getConfig().getBool("app", "native_dialer_call", false);
	}

	public void setNativeDialerCall(boolean use) {
		getConfig().setBool("app", "native_dialer_call", use);
	}
// End of call settings

	// Network settings
	public void setWifiOnlyEnabled(Boolean enable) {
		getConfig().setBool("app", "wifi_only", enable);
	}

	public boolean isWifiOnlyEnabled() {
		return getConfig().getBool("app", "wifi_only", false);
	}

	public void useRandomPort(boolean enabled) {
		useRandomPort(enabled, true);
	}

	public void useRandomPort(boolean enabled, boolean apply) {
		getConfig().setBool("app", "random_port", enabled);
		if (apply) {
			if (enabled) {
				setSipPort(LINPHONE_CORE_RANDOM_PORT);
			} else {
				setSipPort(5060);
			}
		}
	}

	public boolean isUsingRandomPort() {
		return getConfig().getBool("app", "random_port", true);
	}

	public String getSipPort() {
		Transports transports = getLc().getTransports();
		int port;
		if (transports.getUdpPort() > 0)
			port = transports.getUdpPort();
		else
			port = transports.getTcpPort();
		return String.valueOf(port);
	}

	public void setSipPort(int port) {
		Transports transports = getLc().getTransports();
		transports.setUdpPort(port);
		transports.setTcpPort(port);
		transports.setTlsPort(LINPHONE_CORE_RANDOM_PORT);
		getLc().setTransports(transports);
	}

	private NatPolicy getOrCreateNatPolicy() {
		NatPolicy nat = getLc().getNatPolicy();
		if (nat == null) {
			nat = getLc().createNatPolicy();
		}
		return nat;
	}

	public String getStunServer() {
		NatPolicy nat = getOrCreateNatPolicy();
		return nat.getStunServer();
	}

	public void setStunServer(String stun) {
		NatPolicy nat = getOrCreateNatPolicy();
		nat.setStunServer(stun);

		if (stun != null && !stun.isEmpty()) {
		}
		getLc().setNatPolicy(nat);
	}

	public void setIceEnabled(boolean enabled) {
		NatPolicy nat = getOrCreateNatPolicy();
		nat.enableIce(enabled);
		nat.enableStun(enabled);
		getLc().setNatPolicy(nat);
	}

	public void setTurnEnabled(boolean enabled) {
		NatPolicy nat = getOrCreateNatPolicy();
		nat.enableTurn(enabled);
		getLc().setNatPolicy(nat);
	}

	public void setUpnpEnabled(boolean enabled) {
		NatPolicy nat = getOrCreateNatPolicy();
		nat.enableUpnp(enabled);
		getLc().setNatPolicy(nat);
	}

	public boolean isUpnpEnabled() {
		NatPolicy nat = getOrCreateNatPolicy();
		return nat.upnpEnabled();
	}

	public boolean isIceEnabled() {
		NatPolicy nat = getOrCreateNatPolicy();
		return nat.iceEnabled();
	}

	public boolean isTurnEnabled() {
		NatPolicy nat = getOrCreateNatPolicy();
		return nat.turnEnabled();
	}

	public String getTurnUsername() {
		NatPolicy nat = getOrCreateNatPolicy();
		return nat.getStunServerUsername();
	}

	public void setTurnUsername(String username) {
		NatPolicy nat = getOrCreateNatPolicy();
		AuthInfo authInfo = getLc().findAuthInfo(null, nat.getStunServerUsername(), null);

		if (authInfo != null) {
			AuthInfo cloneAuthInfo = authInfo.clone();
			getLc().removeAuthInfo(authInfo);
			cloneAuthInfo.setUsername(username);
			cloneAuthInfo.setUserid(username);
			getLc().addAuthInfo(cloneAuthInfo);
		} else {
			authInfo = Factory.instance().createAuthInfo(username, username, null, null, null, null);
			getLc().addAuthInfo(authInfo);
		}
		nat.setStunServerUsername(username);
		getLc().setNatPolicy(nat);
	}

	public void setTurnPassword(String password) {
		NatPolicy nat = getOrCreateNatPolicy();
		AuthInfo authInfo = getLc().findAuthInfo(null, nat.getStunServerUsername(), null);

		if (authInfo != null) {
			AuthInfo cloneAuthInfo = authInfo.clone();
			getLc().removeAuthInfo(authInfo);
			cloneAuthInfo.setPassword(password);
			getLc().addAuthInfo(cloneAuthInfo);
		} else {
			authInfo = Factory.instance().createAuthInfo(nat.getStunServerUsername(), nat.getStunServerUsername(), password, null, null, null);
			getLc().addAuthInfo(authInfo);
		}
	}

	public MediaEncryption getMediaEncryption() {
		return getLc().getMediaEncryption();
	}

	public void setMediaEncryption(MediaEncryption menc) {
		if (menc == null)
			return;

		getLc().setMediaEncryption(menc);
	}

	public void setPushNotificationEnabled(boolean enable) {
		 getConfig().setBool("app", "push_notification", enable);

		 Core lc = getLc();
		 if (lc == null) {
			 return;
		 }

		 if (enable) {
			 // Add push infos to exisiting proxy configs
			 String regId = getPushNotificationRegistrationID();
			 String appId = getString(R.string.push_sender_id);
			 if (regId != null && lc.getProxyConfigList().length > 0) {
				 for (ProxyConfig lpc : lc.getProxyConfigList()) {
					 if (!lpc.isPushNotificationAllowed()) {
						 lpc.edit();
						 lpc.setContactUriParameters(null);
						 lpc.done();
						 if (lpc.getIdentityAddress() != null)
							 Log.d("Push notif infos removed from proxy config " + lpc.getIdentityAddress().asStringUriOnly());
					 } else {
						 String contactInfos = "app-id=" + appId + ";pn-type=" + getString(R.string.push_type) + ";pn-tok=" + regId + ";pn-silent=1";
						 String prevContactParams = lpc.getContactParameters();
						 if (prevContactParams == null || prevContactParams.compareTo(contactInfos) != 0) {
							 lpc.edit();
							 lpc.setContactUriParameters(contactInfos);
							 lpc.done();
							 if (lpc.getIdentityAddress() != null)
								 Log.d("Push notif infos added to proxy config " + lpc.getIdentityAddress().asStringUriOnly());
						 }
					 }
				 }
				 lc.refreshRegisters();
			 }
		 } else {
			 if (lc.getProxyConfigList().length > 0) {
				 for (ProxyConfig lpc : lc.getProxyConfigList()) {
					 lpc.edit();
					 lpc.setContactUriParameters(null);
					 lpc.done();
					 if (lpc.getIdentityAddress() != null)
					    Log.d("Push notif infos removed from proxy config " + lpc.getIdentityAddress().asStringUriOnly());
				 }
				 lc.refreshRegisters();
			 }
		 }
	}

	public boolean isPushNotificationEnabled() {
		return getConfig().getBool("app", "push_notification", true);
	}

	public void setPushNotificationRegistrationID(String regId) {
		if (getConfig() == null) return;
		getConfig().setString("app", "push_notification_regid", (regId != null) ? regId: "");
		setPushNotificationEnabled(isPushNotificationEnabled());
	}

	public String getPushNotificationRegistrationID() {
		return getConfig().getString("app", "push_notification_regid", null);
	}

	public void useIpv6(Boolean enable) {
		 getLc().enableIpv6(enable);
	}

	public boolean isUsingIpv6() {
		return getLc().ipv6Enabled();
	}
	// End of network settings

	// Advanced settings
	public void setDebugEnabled(boolean enabled) {
		getConfig().setBool("app", "debug", enabled);
		LinphoneUtils.initLoggingService(enabled, mContext.getString(R.string.app_name));
	}

	public boolean isDebugEnabled() {
		return getConfig().getBool("app", "debug", false);
	}

	public void setJavaLogger(boolean enabled) {
		getConfig().setBool("app", "java_logger", enabled);
		LinphoneUtils.initLoggingService(isDebugEnabled(), mContext.getString(R.string.app_name));
	}

	public boolean useJavaLogger() {
		return getConfig().getBool("app", "java_logger", false);
	}

	public void setBackgroundModeEnabled(boolean enabled) {
		getConfig().setBool("app", "background_mode", enabled);
	}

	public boolean isBackgroundModeEnabled() {
		return getConfig().getBool("app", "background_mode", true);
	}

	public boolean isAutoStartEnabled() {
		return getConfig().getBool("app", "auto_start", false);
	}

	public void setAutoStart(boolean autoStartEnabled) {
		getConfig().setBool("app", "auto_start", autoStartEnabled);
	}

	public String getSharingPictureServerUrl() {
		return getLc().getFileTransferServer();
	}

	public void setSharingPictureServerUrl(String url) {
		getLc().setFileTransferServer(url);
	}

	public void setRemoteProvisioningUrl(String url) {
		if (url != null && url.length() == 0) {
			url = null;
		}
		getLc().setProvisioningUri(url);
	}

	public String getRemoteProvisioningUrl() {
		return getLc().getProvisioningUri();
	}

	public void setDefaultDisplayName(String displayName) {
		Address primary = getLc().getPrimaryContactParsed();
		primary.setDisplayName(displayName);
		getLc().setPrimaryContact(primary.asString());
	}

	public String getDefaultDisplayName() {
		return getLc().getPrimaryContactParsed().getDisplayName();
	}

	public void setDefaultUsername(String username) {
		Address primary = getLc().getPrimaryContactParsed();
		primary.setUsername(username);
		getLc().setPrimaryContact(primary.asString());
	}

	public String getDefaultUsername() {
		return getLc().getPrimaryContactParsed().getUsername();
	}
	// End of advanced settings

	// Tunnel settings
	private TunnelConfig tunnelConfig = null;

	public TunnelConfig getTunnelConfig() {
		if(getLc().tunnelAvailable()) {
			Tunnel tunnel = getLc().getTunnel();
			if (tunnelConfig == null) {
				TunnelConfig servers[] = tunnel.getServers();
				if(servers.length > 0) {
					tunnelConfig = servers[0];
				} else {
					tunnelConfig = Factory.instance().createTunnelConfig();
				}
			}
			return tunnelConfig;
		} else {
			return null;
		}
	}

	public String getTunnelHost() {
		TunnelConfig config = getTunnelConfig();
		if(config != null) {
			return config.getHost();
		} else {
			return null;
		}
	}

	public void setTunnelHost(String host) {
		TunnelConfig config = getTunnelConfig();
		if(config != null) {
			config.setHost(host);
			LinphoneManager.getInstance().initTunnelFromConf();
		}
	}

	public int getTunnelPort() {
		TunnelConfig config = getTunnelConfig();
		if(config != null) {
			return config.getPort();
		} else {
			return -1;
		}
	}

	public void setTunnelPort(int port) {
		TunnelConfig config = getTunnelConfig();
		if(config != null) {
			config.setPort(port);
			LinphoneManager.getInstance().initTunnelFromConf();
		}
	}

	public String getTunnelMode() {
		return getConfig().getString("app", "tunnel", null);
	}

	public void setTunnelMode(String mode) {
		getConfig().setString("app", "tunnel", mode);
		LinphoneManager.getInstance().initTunnelFromConf();
	}
	// End of tunnel settings

	public boolean isProvisioningLoginViewEnabled() {

		return (getConfig() != null) ? getConfig().getBool("app", "show_login_view", false) : false;
	}

	public void disableProvisioningLoginView() {
		if (isProvisioningLoginViewEnabled()) { // Only do it if it was previously enabled
			getConfig().setBool("app", "show_login_view", false);
		} else {
			Log.w("Remote provisioning login view wasn't enabled, ignoring");
		}
	}

	public void firstRemoteProvisioningSuccessful() {
		getConfig().setBool("app", "first_remote_provisioning", false);
	}

	public boolean isFirstRemoteProvisioning() {
		return getConfig().getBool("app", "first_remote_provisioning", true);
	}

	public boolean adaptiveRateControlEnabled() {
		return getLc().adaptiveRateControlEnabled();
	}

	public void enableAdaptiveRateControl(boolean enabled) {
		getLc().enableAdaptiveRateControl(enabled);
	}

	public int getCodecBitrateLimit() {
		return getConfig().getInt("audio", "codec_bitrate_limit", 36);
	}

	public void setCodecBitrateLimit(int bitrate) {
		getConfig().setInt("audio", "codec_bitrate_limit", bitrate);
	}

	public void contactsMigrationDone(){
		getConfig().setBool("app", "contacts_migration_done", true);
	}

	public boolean isContactsMigrationDone(){
		return getConfig().getBool("app", "contacts_migration_done", false);
	}

	public String getInAppPurchaseValidatingServerUrl() {
		return getConfig().getString("in-app-purchase", "server_url", null);
	}

	public Purchasable getInAppPurchasedItem() {
		String id = getConfig().getString("in-app-purchase", "purchase_item_id", null);
		String payload = getConfig().getString("in-app-purchase", "purchase_item_payload", null);
		String signature = getConfig().getString("in-app-purchase", "purchase_item_signature", null);
		String username = getConfig().getString("in-app-purchase", "purchase_item_username", null);

		Purchasable item = new Purchasable(id).setPayloadAndSignature(payload, signature).setUserData(username);
		return item;
	}

	public void setInAppPurchasedItem(Purchasable item) {
		if (item == null)
			return;

		getConfig().setString("in-app-purchase", "purchase_item_id", item.getId());
		getConfig().setString("in-app-purchase", "purchase_item_payload", item.getPayload());
		getConfig().setString("in-app-purchase", "purchase_item_signature", item.getPayloadSignature());
		getConfig().setString("in-app-purchase", "purchase_item_username", item.getUserData());
	}

	public ArrayList<String> getInAppPurchasables() {
		ArrayList<String>  purchasables = new ArrayList<String>();
		String list = getConfig().getString("in-app-purchase", "purchasable_items_ids", null);
		if (list != null) {
			for(String purchasable : list.split(";")) {
				if (purchasable.length() > 0) {
					purchasables.add(purchasable);
				}
			}
		}
		return purchasables;
	}

	public String getXmlrpcUrl(){
		return getConfig().getString("assistant", "xmlrpc_url", null);
	}

	public void setXmlrpcUrl(String url){
		getConfig().setString("assistant", "xmlrpc_url", url);
	}

	public String getInappPopupTime(){
		return getConfig().getString("app", "inapp_popup_time", null);
	}

	public void setInappPopupTime(String date){
		getConfig().setString("app", "inapp_popup_time", date);
	}

	public void setLinkPopupTime(String date){
		getConfig().setString("app", "link_popup_time", date);
	}

	public String getLinkPopupTime(){
		return getConfig().getString("app", "link_popup_time", null);
	}

	public String getXmlRpcServerUrl() {
		return getConfig().getString("app", "server_url", null);
	}

	public String getDebugPopupAddress(){
		return getConfig().getString("app", "debug_popup_magic", null);
	}

	public String getActivityToLaunchOnIncomingReceived() {
		return getConfig().getString("app", "incoming_call_activity", "org.linphone.activities.LinphoneActivity");
	}

	public void setActivityToLaunchOnIncomingReceived(String name) {
		getConfig().setString("app", "incoming_call_activity", name);
	}

	public boolean getServiceNotificationVisibility() {
		return getConfig().getBool("app", "show_service_notification", false);
	}

	public void setServiceNotificationVisibility(boolean enable) {
		getConfig().setBool("app", "show_service_notification", enable);
	}

	public boolean isOverlayEnabled() {
		return getConfig().getBool("app", "display_overlay", false);
	}

	public void enableOverlay(boolean enable) {
		getConfig().setBool("app", "display_overlay", enable);
	}

	public LimeState limeEnabled() {
		return getLc().limeEnabled();
	}

	public void enableLime(LimeState lime) {
		getLc().enableLime(lime);
	}

	public boolean firstTimeAskingForPermission(String permission) {
		return firstTimeAskingForPermission(permission, true);
	}

	public boolean firstTimeAskingForPermission(String permission, boolean toggle) {
		boolean firstTime = getConfig().getBool("app", permission, true);
		if (toggle) {
			permissionHasBeenAsked(permission);
		}
		return firstTime;
	}

	public void permissionHasBeenAsked(String permission) {
		getConfig().setBool("app", permission, false);
	}

	public boolean isDeviceRingtoneEnabled() {
		int readExternalStorage = mContext.getPackageManager().checkPermission(Manifest.permission.READ_EXTERNAL_STORAGE, mContext.getPackageName());
		return getConfig().getBool("app", "device_ringtone", true) && readExternalStorage == PackageManager.PERMISSION_GRANTED;
	}

	public void enableDeviceRingtone(boolean enable) {
		getConfig().setBool("app", "device_ringtone", enable);
	}

	public boolean isBisFeatureEnabled() {
		return getConfig().getBool("app", "bis_feature", true);
	}

	public void enableBisFeature(boolean enable) {
		getConfig().setBool("app", "bis_feature", enable);
	}

	public boolean isAutoAnswerEnabled() {
		return getConfig().getBool("app", "auto_answer", false);
	}

	public void enableAutoAnswer(boolean enable) {
		getConfig().setBool("app", "auto_answer", enable);
	}

	public void setAutoAnswerTime(int time) {
		getConfig().setInt("app", "auto_answer_delay", time);
	}

	public int getAutoAnswerTime() {
		return getConfig().getInt("app", "auto_answer_delay", 0);
	}

	public int getCodeLength(){
		return getConfig().getInt("app", "activation_code_length", 0);
	}

	public void disableFriendsStorage() {
		getConfig().setBool("misc", "store_friends", false);
	}

	public void enableFriendsStorage() {
		getConfig().setBool("misc", "store_friends", true);
	}

	public boolean isFriendsStorageEnabled() {
		return getConfig().getBool("misc", "store_friends", true);
	}

	public boolean useBasicChatRoomFor1To1() {
		return getConfig().getBool("app", "prefer_basic_chat_room", false);
	}
}