/*
 * Copyright (C) 2010-2014 Thialfihar <thi@thialfihar.org>
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

package org.sufficientlysecure.keychain;

import android.os.Environment;

import org.spongycastle.bcpg.HashAlgorithmTags;
import org.spongycastle.bcpg.SymmetricKeyAlgorithmTags;
import org.spongycastle.jce.provider.BouncyCastleProvider;

import org.sufficientlysecure.keychain.BuildConfig;

import java.io.File;
import java.net.InetSocketAddress;
import java.net.Proxy;

public final class Constants {

    public static final boolean DEBUG = BuildConfig.DEBUG;
    public static final boolean DEBUG_LOG_DB_QUERIES = false;
    public static final boolean DEBUG_SYNC_REMOVE_CONTACTS = false;

    public static final String TAG = DEBUG ? "Keychain D" : "Keychain";

    public static final String PACKAGE_NAME = "org.sufficientlysecure.keychain";

    public static final String ACCOUNT_NAME = DEBUG ? "OpenKeychain D" : "OpenKeychain";
    public static final String ACCOUNT_TYPE = BuildConfig.ACCOUNT_TYPE;
    public static final String CUSTOM_CONTACT_DATA_MIME_TYPE = "vnd.android.cursor.item/vnd.org.sufficientlysecure.keychain.key";

    public static final String PROVIDER_AUTHORITY = BuildConfig.APPLICATION_ID + ".provider";
    public static final String TEMPSTORAGE_AUTHORITY = BuildConfig.APPLICATION_ID + ".tempstorage";

    // as defined in http://tools.ietf.org/html/rfc3156, section 7
    public static final String NFC_MIME = "application/pgp-keys";

    // as defined in http://tools.ietf.org/html/rfc3156
    // we don't use application/pgp-encrypted as it only holds the version number
    public static final String ENCRYPTED_FILES_MIME = "application/octet-stream";
    public static final String ENCRYPTED_TEXT_MIME = "text/plain";

    public static final String FILE_EXTENSION_PGP_MAIN = ".gpg";
    public static final String FILE_EXTENSION_PGP_ALTERNATE = ".pgp";
    public static final String FILE_EXTENSION_ASC = ".asc";

    // used by QR Codes (Guardian Project, Monkeysphere compatiblity)
    public static final String FINGERPRINT_SCHEME = "openpgp4fpr";

    // Not BC due to the use of Spongy Castle for Android
    public static final String SC = BouncyCastleProvider.PROVIDER_NAME;
    public static final String BOUNCY_CASTLE_PROVIDER_NAME = SC;

    // prefix packagename for exported Intents
    // as described in http://developer.android.com/guide/components/intents-filters.html
    public static final String INTENT_PREFIX = PACKAGE_NAME + ".action.";
    public static final String EXTRA_PREFIX = PACKAGE_NAME + ".";

    public static final int TEMPFILE_TTL = 24 * 60 * 60 * 1000; // 1 day

    public static final String SAFESLINGER_SERVER = "safeslinger-openpgp.appspot.com";

    public static final class Path {
        public static final File APP_DIR = new File(Environment.getExternalStorageDirectory(), "OpenKeychain");
        public static final File APP_DIR_FILE = new File(APP_DIR, "export.asc");
    }

    public static final class Pref {
        public static final String PASSPHRASE_CACHE_TTL = "passphraseCacheTtl";
        public static final String PASSPHRASE_CACHE_SUBS = "passphraseCacheSubs";
        public static final String LANGUAGE = "language";
        public static final String KEY_SERVERS = "keyServers";
        public static final String PREF_DEFAULT_VERSION = "keyServersDefaultVersion";
        public static final String FIRST_TIME = "firstTime";
        public static final String CACHED_CONSOLIDATE = "cachedConsolidate";
        public static final String SEARCH_KEYSERVER = "search_keyserver_pref";
        public static final String SEARCH_KEYBASE = "search_keybase_pref";
        public static final String USE_DEFAULT_YUBIKEY_PIN = "useDefaultYubikeyPin";
        public static final String USE_NUMKEYPAD_FOR_YUBIKEY_PIN = "useNumKeypadForYubikeyPin";
        public static final String ENCRYPT_FILENAMES = "encryptFilenames";
        public static final String FILE_USE_COMPRESSION = "useFileCompression";
        public static final String TEXT_USE_COMPRESSION = "useTextCompression";
        public static final String USE_ARMOR = "useArmor";
        // proxy settings
        public static final String USE_NORMAL_PROXY = "useNormalProxy";
        public static final String USE_TOR_PROXY = "useTorProxy";
        public static final String PROXY_HOST = "proxyHost";
        public static final String PROXY_PORT = "proxyPort";
        public static final String PROXY_TYPE = "proxyType";
    }

    /**
     * information to connect to Orbot's localhost HTTP proxy
     */
    public static final class Orbot {
        public static final String PROXY_HOST = "127.0.0.1";
        public static final int PROXY_PORT = 8118;
        public static final Proxy.Type PROXY_TYPE = Proxy.Type.HTTP;
    }

    public static final class Defaults {
        public static final String KEY_SERVERS = "hkps://hkps.pool.sks-keyservers.net, hkps://pgp.mit.edu";
        public static final int PREF_VERSION = 4;
    }

    public static final class key {
        public static final int none = 0;
        public static final int symmetric = -1;
    }

}