/*
 * Copyright (C) 2013-2014, The Linux Foundation. All rights reserved.

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 modification, are permitted provided that the following conditions are
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        * Redistributions of source code must retain the above copyright
          notice, this list of conditions and the following disclaimer.
        * Redistributions in binary form must reproduce the above
          copyright notice, this list of conditions and the following
          disclaimer in the documentation and/or other materials provided
          with the distribution.
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          contributors may be used to endorse or promote products derived
          from this software without specific prior written permission.

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 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.android.dialer;

import android.app.ActionBar;
import android.app.ListActivity;
import android.content.ActivityNotFoundException;
import android.content.ContentUris;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.provider.Settings;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.util.SparseArray;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.PopupMenu;
import android.widget.QuickContactBadge;
import android.widget.TextView;

import com.android.contacts.common.ContactPhotoManager;
import com.android.contacts.common.ContactPhotoManager.DefaultImageRequest;
import com.android.internal.telephony.PhoneConstants;

public class SpeedDialListActivity extends ListActivity implements
        AdapterView.OnItemClickListener, PopupMenu.OnMenuItemClickListener {
    private static final String TAG = "SpeedDial";
    private static final String ACTION_ADD_VOICEMAIL =
            "com.android.phone.CallFeaturesSetting.ADD_VOICEMAIL";
    public static final String EXTRA_INITIAL_PICK_NUMBER = "initialPickNumber";

    private static final String[] LOOKUP_PROJECTION = new String[] {
        ContactsContract.Contacts._ID,
        ContactsContract.Contacts.DISPLAY_NAME,
        ContactsContract.Contacts.PHOTO_ID,
        ContactsContract.PhoneLookup.NUMBER,
        ContactsContract.PhoneLookup.NORMALIZED_NUMBER
    };

    private static final String[] PICK_PROJECTION = new String[] {
        ContactsContract.Data.CONTACT_ID,
        ContactsContract.Data.DISPLAY_NAME,
        ContactsContract.Data.PHOTO_ID,
        ContactsContract.CommonDataKinds.Phone.NUMBER,
        ContactsContract.CommonDataKinds.Phone.NORMALIZED_NUMBER
    };
    private static final int COLUMN_ID = 0;
    private static final int COLUMN_NAME = 1;
    private static final int COLUMN_PHOTO = 2;
    private static final int COLUMN_NUMBER = 3;
    private static final int COLUMN_NORMALIZED = 4;

    private static class Record {
        long contactId;
        String name;
        String number;
        String normalizedNumber;
        long photoId;
        public Record(String number) {
            this.number = number;
            this.contactId = -1;
        }
    }

    private SparseArray<Record> mRecords;

    private int mPickNumber;
    private int mInitialPickNumber;
    private SpeedDialAdapter mAdapter;

    private static final int MENU_REPLACE = 0;
    private static final int MENU_DELETE = 1;

    private static final int PICK_CONTACT_RESULT = 0;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        mInitialPickNumber = getIntent().getIntExtra(EXTRA_INITIAL_PICK_NUMBER, -1);
        mRecords = new SparseArray<Record>();

        //the first item is the "1.voice mail", it never changes
        mRecords.put(1, new Record(getString(R.string.voicemail)));

        ListView listview = getListView();
        listview.setOnItemClickListener(this);

        // compensate for action bar overlay specified in theme
        int actionBarHeight = getResources().getDimensionPixelSize(R.dimen.action_bar_height);
        listview.setPaddingRelative(0, actionBarHeight, 0, 0);

        final ActionBar actionBar = getActionBar();
        actionBar.setDisplayShowHomeEnabled(true);
        actionBar.setDisplayHomeAsUpEnabled(true);

        mAdapter = new SpeedDialAdapter();
        setListAdapter(mAdapter);
    }

    @Override
    protected void onResume() {
        super.onResume();

        // get number from shared preferences
        for (int i = 2; i <= 9; i++) {
            String phoneNumber = SpeedDialUtils.getNumber(this, i);
            Record record = null;
            if (phoneNumber != null) {
                Uri uri = Uri.withAppendedPath(ContactsContract.PhoneLookup.CONTENT_FILTER_URI,
                        Uri.encode(phoneNumber));
                record = getRecordFromQuery(uri, LOOKUP_PROJECTION);
                if (record == null) {
                    record = new Record(phoneNumber);
                }
            }
            mRecords.put(i, record);
        }

        mAdapter.notifyDataSetChanged();

        if (mInitialPickNumber >= 2 && mInitialPickNumber <= 9) {
            pickContact(mInitialPickNumber);
            // we only want to trigger the picker once
            mInitialPickNumber = -1;
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                finish();
                return true;
        }
        return super.onOptionsItemSelected(item);
    }

    private Record getRecordFromQuery(Uri uri, String[] projection) {
        Record record = null;
        Cursor cursor = null;
        try {
            cursor = getContentResolver().query(uri, projection, null, null, null);
            if (cursor != null && cursor.moveToFirst()) {
                record = new Record(cursor.getString(COLUMN_NUMBER));
                record.contactId = cursor.getLong(COLUMN_ID);
                record.photoId = cursor.getLong(COLUMN_PHOTO);
                record.name = cursor.getString(COLUMN_NAME);
                record.normalizedNumber = cursor.getString(COLUMN_NORMALIZED);
                if (record.normalizedNumber == null) {
                    record.normalizedNumber = record.number;
                }
            }
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
        return record;
    }

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        if (position == 0) {
            Intent intent = new Intent(ACTION_ADD_VOICEMAIL);
            if (TelephonyManager.getDefault().getPhoneCount() > 1) {
                long sub = SubscriptionManager.getDefaultVoiceSubId();
                intent.setClassName("com.android.phone",
                        "com.android.phone.MSimCallFeaturesSubSetting");
                intent.putExtra(PhoneConstants.SUBSCRIPTION_KEY, sub);
            } else {
                intent.setClassName("com.android.phone",
                        "com.android.phone.CallFeaturesSetting");
            }
            try {
                startActivity(intent);
            } catch(ActivityNotFoundException e) {
                Log.w(TAG, "Could not find voice mail setup activity");
            }
        } else {
            int number = position + 1;
            final Record record = mRecords.get(number);
            if (record == null) {
                pickContact(number);
            } else {
                PopupMenu pm = new PopupMenu(this, view);
                pm.getMenu().add(number, MENU_REPLACE, 0, R.string.speed_dial_replace);
                pm.getMenu().add(number, MENU_DELETE, 0, R.string.speed_dial_delete);
                pm.setOnMenuItemClickListener(this);
                pm.show();
            }
        }
    }

    /*
     * goto contacts, used to set or replace speed number
     */
    private void pickContact(int number) {
        mPickNumber = number;
        Intent intent = new Intent(Intent.ACTION_PICK);
        intent.setType(ContactsContract.CommonDataKinds.Phone.CONTENT_TYPE);
        startActivityForResult(intent, PICK_CONTACT_RESULT);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode != PICK_CONTACT_RESULT) {
            super.onActivityResult(requestCode, resultCode, data);
            return;
        }

        if (resultCode == RESULT_OK) {
            Record record = getRecordFromQuery(data.getData(), PICK_PROJECTION);
            if (record != null) {
                SpeedDialUtils.saveNumber(this, mPickNumber, record.normalizedNumber);
                mRecords.put(mPickNumber, record);
                mAdapter.notifyDataSetChanged();
            }
        }
    }

    @Override
    public boolean onMenuItemClick(MenuItem item) {
        int number = item.getGroupId();

        switch (item.getItemId()) {
            case MENU_REPLACE:
                pickContact(number);
                return true;
            case MENU_DELETE:
                mRecords.put(number, null);
                SpeedDialUtils.saveNumber(this, number, null);
                mAdapter.notifyDataSetChanged();
                return true;
        }
        return false;
    }

    private class SpeedDialAdapter extends BaseAdapter {
        private LayoutInflater mInflater;
        private ContactPhotoManager mPhotoManager;

        public SpeedDialAdapter() {
            mInflater = LayoutInflater.from(SpeedDialListActivity.this);
            mPhotoManager = ContactPhotoManager.getInstance(SpeedDialListActivity.this);
        }

        @Override
        public int getCount() {
            return mRecords.size();
        }

        @Override
        public long getItemId(int position) {
            return position + 1;
        }

        @Override
        public Object getItem(int position) {
            return mRecords.get(position + 1);
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            if (convertView == null) {
                convertView = mInflater.inflate(R.layout.speed_dial_item, parent, false);
            }

            TextView index = (TextView) convertView.findViewById(R.id.index);
            TextView name = (TextView) convertView.findViewById(R.id.name);
            TextView number = (TextView) convertView.findViewById(R.id.number);
            QuickContactBadge photo = (QuickContactBadge) convertView.findViewById(R.id.photo);
            Record record = mRecords.get(position + 1);

            index.setText(String.valueOf(position + 1));
            if (record != null && record.name != null) {
                name.setText(record.name);
                number.setText(record.number);
                number.setVisibility(View.VISIBLE);
            } else {
                name.setText(record != null ?
                        record.number : getString(R.string.speed_dial_not_set));
                number.setVisibility(View.GONE);
            }

            if (record != null && record.contactId != -1) {
                DefaultImageRequest request = new DefaultImageRequest(record.name,
                        record.normalizedNumber, true /* isCircular */);
                mPhotoManager.removePhoto(photo);
                mPhotoManager.loadThumbnail(photo, record.photoId,
                        false /* darkTheme */, true /* isCircular */, request);
                photo.assignContactUri(ContentUris.withAppendedId(
                        ContactsContract.Contacts.CONTENT_URI, record.contactId));
                photo.setVisibility(View.VISIBLE);
            } else {
                photo.setVisibility(View.GONE);
            }
            photo.setOverlay(null);

            return convertView;
        }
    };
}