/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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 com.android.dialer.app.filterednumber;

import android.app.ListFragment;
import android.app.LoaderManager;
import android.content.Context;
import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.android.dialer.app.R;
import com.android.dialer.blocking.FilteredNumbersUtil;
import com.android.dialer.blocking.FilteredNumbersUtil.ImportSendToVoicemailContactsListener;

/** TODO(calderwoodra): documentation */
public class ViewNumbersToImportFragment extends ListFragment
    implements LoaderManager.LoaderCallbacks<Cursor>, View.OnClickListener {

  private ViewNumbersToImportAdapter adapter;

  @Override
  public Context getContext() {
    return getActivity();
  }

  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    if (adapter == null) {
      adapter =
          ViewNumbersToImportAdapter.newViewNumbersToImportAdapter(
              getContext(), getActivity().getFragmentManager());
    }
    setListAdapter(adapter);
  }

  @Override
  public void onDestroy() {
    setListAdapter(null);
    super.onDestroy();
  }

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getLoaderManager().initLoader(0, null, this);
  }

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

    ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
    actionBar.setTitle(R.string.import_send_to_voicemail_numbers_label);
    actionBar.setDisplayShowCustomEnabled(false);
    actionBar.setDisplayHomeAsUpEnabled(true);
    actionBar.setDisplayShowHomeEnabled(true);
    actionBar.setDisplayShowTitleEnabled(true);

    getActivity().findViewById(R.id.cancel_button).setOnClickListener(this);
    getActivity().findViewById(R.id.import_button).setOnClickListener(this);
  }

  @Override
  public View onCreateView(
      LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    return inflater.inflate(R.layout.view_numbers_to_import_fragment, container, false);
  }

  @Override
  public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    final CursorLoader cursorLoader =
        new CursorLoader(
            getContext(),
            Phone.CONTENT_URI,
            FilteredNumbersUtil.PhoneQuery.PROJECTION,
            FilteredNumbersUtil.PhoneQuery.SELECT_SEND_TO_VOICEMAIL_TRUE,
            null,
            null);
    return cursorLoader;
  }

  @Override
  public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
    adapter.swapCursor(data);
  }

  @Override
  public void onLoaderReset(Loader<Cursor> loader) {
    adapter.swapCursor(null);
  }

  @Override
  public void onClick(final View view) {
    if (view.getId() == R.id.import_button) {
      FilteredNumbersUtil.importSendToVoicemailContacts(
          getContext(),
          new ImportSendToVoicemailContactsListener() {
            @Override
            public void onImportComplete() {
              if (getActivity() != null) {
                getActivity().onBackPressed();
              }
            }
          });
    } else if (view.getId() == R.id.cancel_button) {
      getActivity().onBackPressed();
    }
  }
}