/*
 * Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
 *
 * 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.ui.adapter;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Date;

import org.spongycastle.openpgp.PGPKeyRing;
import org.spongycastle.openpgp.PGPPublicKey;
import org.spongycastle.openpgp.PGPSecretKeyRing;
import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
import org.sufficientlysecure.keychain.util.AlgorithmNames;
import org.sufficientlysecure.keychain.util.IterableIterator;

public class ImportKeysListEntry implements Serializable {
    private static final long serialVersionUID = -7797972103284992662L;
    public ArrayList<String> userIds;
    public long keyId;

    public boolean revoked;
    public Date date; // TODO: not displayed
    public String fingerPrint;
    public String hexKeyId;
    public int bitStrength;
    public String algorithm;
    public boolean secretKey;
    AlgorithmNames algorithmNames;

    private boolean selected;

    /**
     * Constructor for later querying from keyserver
     */
    public ImportKeysListEntry() {
        secretKey = false;
        userIds = new ArrayList<String>();
    }

    public boolean isSelected() {
        return selected;
    }

    public void setSelected(boolean selected) {
        this.selected = selected;
    }

    /**
     * Constructor based on key object, used for import from NFC, QR Codes, files
     * 
     * @param pgpKey
     */
    @SuppressWarnings("unchecked")
    public ImportKeysListEntry(PGPKeyRing pgpKeyRing) {
        // selected is default
        this.selected = true;

        if (pgpKeyRing instanceof PGPSecretKeyRing) {
            secretKey = true;
        } else {
            secretKey = false;
        }

        userIds = new ArrayList<String>();
        for (String userId : new IterableIterator<String>(pgpKeyRing.getPublicKey().getUserIDs())) {
            userIds.add(userId);
        }
        this.keyId = pgpKeyRing.getPublicKey().getKeyID();

        this.revoked = pgpKeyRing.getPublicKey().isRevoked();
        this.fingerPrint = PgpKeyHelper.convertFingerprintToHex(pgpKeyRing.getPublicKey()
                .getFingerprint(), true);
        this.hexKeyId = PgpKeyHelper.convertKeyIdToHex(keyId);
        this.bitStrength = pgpKeyRing.getPublicKey().getBitStrength();
        int algorithm = pgpKeyRing.getPublicKey().getAlgorithm();
        if (algorithm == PGPPublicKey.RSA_ENCRYPT || algorithm == PGPPublicKey.RSA_GENERAL
                || algorithm == PGPPublicKey.RSA_SIGN) {
            this.algorithm = "RSA";
        } else if (algorithm == PGPPublicKey.DSA) {
            this.algorithm = "DSA";
        } else if (algorithm == PGPPublicKey.ELGAMAL_ENCRYPT
                || algorithm == PGPPublicKey.ELGAMAL_GENERAL) {
            this.algorithm = "ElGamal";
        } else if (algorithm == PGPPublicKey.EC || algorithm == PGPPublicKey.ECDSA) {
            this.algorithm = "ECC";
        } else {
            // TODO: with resources
            this.algorithm = "unknown";
        }
    }
}