/*
 * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.thialfihar.android.apg.ui;

import java.security.Security;

import org.spongycastle.jce.provider.BouncyCastleProvider;
import org.thialfihar.android.apg.Apg;
import org.thialfihar.android.apg.Id;
import org.thialfihar.android.apg.R;

import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;

import android.app.Dialog;
import android.content.Intent;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends BaseActivity {
    static {
        Security.addProvider(new BouncyCastleProvider());
    }

    public void manageKeysOnClick(View view) {
        startActivity(new Intent(this, PublicKeyListActivity.class));
    }

    public void myKeysOnClick(View view) {
        startActivity(new Intent(this, SecretKeyListActivity.class));
    }

    public void encryptOnClick(View view) {
        Intent intent = new Intent(MainActivity.this, EncryptActivity.class);
        intent.setAction(Apg.Intent.ENCRYPT);
        startActivity(intent);
    }

    public void decryptOnClick(View view) {
        Intent intent = new Intent(MainActivity.this, DecryptActivity.class);
        intent.setAction(Apg.Intent.DECRYPT);
        startActivity(intent);
    }

    public void scanQrcodeOnClick(View view) {
        Intent intent = new Intent(this, ImportFromQRCodeActivity.class);
        intent.setAction(Apg.Intent.IMPORT_FROM_QR_CODE);
        startActivityForResult(intent, Id.request.import_from_qr_code);
    }

    public void helpOnClick(View view) {
        startActivity(new Intent(this, HelpActivity.class));
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        final ActionBar actionBar = getSupportActionBar();
        actionBar.setDisplayShowTitleEnabled(true);
        actionBar.setDisplayHomeAsUpEnabled(false);
        actionBar.setHomeButtonEnabled(false);

        // if (!mPreferences.hasSeenHelp()) {
        // showDialog(Id.dialog.help);
        // }
        //
        // if (Apg.isReleaseVersion(this) && !mPreferences.hasSeenChangeLog(Apg.getVersion(this))) {
        // showDialog(Id.dialog.change_log);
        // }
    }

    @Override
    protected Dialog onCreateDialog(int id) {
        switch (id) {

        // case Id.dialog.change_log: {
        // AlertDialog.Builder alert = new AlertDialog.Builder(this);
        //
        // alert.setTitle("Changes " + Apg.getFullVersion(this));
        // LayoutInflater inflater = (LayoutInflater) this
        // .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        // View layout = inflater.inflate(R.layout.info, null);
        // TextView message = (TextView) layout.findViewById(R.id.message);
        //
        // message.setText("Changes:\n" + "* \n" + "\n"
        // + "WARNING: be careful editing your existing keys, as they "
        // + "WILL be stripped of certificates right now.\n" + "\n"
        // + "Also: key cross-certification is NOT supported, so signing "
        // + "with those keys will get a warning when the signature is " + "checked.\n"
        // + "\n" + "I hope APG continues to be useful to you, please send "
        // + "bug reports, feature wishes, feedback.");
        // alert.setView(layout);
        //
        // alert.setCancelable(false);
        // alert.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
        // public void onClick(DialogInterface dialog, int id) {
        // MainActivity.this.removeDialog(Id.dialog.change_log);
        // mPreferences.setHasSeenChangeLog(Apg.getVersion(MainActivity.this), true);
        // }
        // });
        //
        // return alert.create();
        // }

        // case Id.dialog.help: {
        // AlertDialog.Builder alert = new AlertDialog.Builder(this);
        //
        // alert.setTitle(R.string.title_help);
        //
        // LayoutInflater inflater = (LayoutInflater) this
        // .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        // View layout = inflater.inflate(R.layout.info, null);
        // TextView message = (TextView) layout.findViewById(R.id.message);
        // message.setText(R.string.text_help);
        //
        // TransformFilter packageNames = new TransformFilter() {
        // public final String transformUrl(final Matcher match, String url) {
        // String name = match.group(1).toLowerCase();
        // if (name.equals("astro")) {
        // return "com.metago.astro";
        // } else if (name.equals("k-9 mail")) {
        // return "com.fsck.k9";
        // } else {
        // return "org.openintents.filemanager";
        // }
        // }
        // };
        //
        // Pattern pattern = Pattern.compile("(OI File Manager|ASTRO|K-9 Mail)");
        // String scheme = "market://search?q=pname:";
        // message.setAutoLinkMask(0);
        // Linkify.addLinks(message, pattern, scheme, null, packageNames);
        //
        // alert.setView(layout);
        //
        // alert.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
        // public void onClick(DialogInterface dialog, int id) {
        // MainActivity.this.removeDialog(Id.dialog.help);
        // mPreferences.setHasSeenHelp(true);
        // }
        // });
        //
        // return alert.create();
        // }

        default: {
            return super.onCreateDialog(id);
        }
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        menu.add(0, Id.menu.option.preferences, 0, R.string.menu_preferences)
                .setIcon(R.drawable.ic_menu_settings)
                .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
        menu.add(0, Id.menu.option.about, 1, R.string.menu_about).setIcon(R.drawable.ic_menu_about)
                .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case Id.menu.option.about: {
            startActivity(new Intent(this, AboutActivity.class));
            return true;
        }

        case Id.menu.option.preferences: {
            startActivity(new Intent(this, PreferencesActivity.class));
            return true;
        }

        default: {
            break;
        }
        }
        return false;
    }

    @Override
    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
        super.onCreateContextMenu(menu, v, menuInfo);

        TextView nameTextView = (TextView) v.findViewById(R.id.accountName);
        if (nameTextView != null) {
            menu.setHeaderTitle(nameTextView.getText());
            menu.add(0, Id.menu.delete, 0, R.string.menu_deleteAccount);
        }
    }

}