/*
 * Copyright (C) 2017 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.phonenumbergeoutil.impl;

import android.content.Context;
import android.text.TextUtils;
import com.android.dialer.common.LogUtil;
import com.android.dialer.compat.CompatUtils;
import com.android.dialer.phonenumbergeoutil.PhoneNumberGeoUtil;
import com.google.i18n.phonenumbers.NumberParseException;
import com.google.i18n.phonenumbers.PhoneNumberUtil;
import com.google.i18n.phonenumbers.Phonenumber;
import com.google.i18n.phonenumbers.geocoding.PhoneNumberOfflineGeocoder;
import java.util.Locale;
import javax.inject.Inject;

/** Implementation of {@link PhoneNumberGeoUtil}. */
public class PhoneNumberGeoUtilImpl implements PhoneNumberGeoUtil {

  @Inject
  public PhoneNumberGeoUtilImpl() {}

  @Override
  public String getGeoDescription(Context context, String number, String countryIso) {
    LogUtil.v("PhoneNumberGeoUtilImpl.getGeoDescription", "" + LogUtil.sanitizePii(number));

    if (TextUtils.isEmpty(number)) {
      return null;
    }

    PhoneNumberUtil util = PhoneNumberUtil.getInstance();
    PhoneNumberOfflineGeocoder geocoder = PhoneNumberOfflineGeocoder.getInstance();

    Locale locale = CompatUtils.getLocale(context);
    Phonenumber.PhoneNumber pn = null;
    try {
      LogUtil.v(
          "PhoneNumberGeoUtilImpl.getGeoDescription",
          "parsing '" + LogUtil.sanitizePii(number) + "' for countryIso '" + countryIso + "'...");
      pn = util.parse(number, countryIso);
      LogUtil.v(
          "PhoneNumberGeoUtilImpl.getGeoDescription",
          "- parsed number: " + LogUtil.sanitizePii(pn));
    } catch (NumberParseException e) {
      LogUtil.e(
          "PhoneNumberGeoUtilImpl.getGeoDescription",
          "getGeoDescription: NumberParseException for incoming number '"
              + LogUtil.sanitizePii(number)
              + "'");
    }

    if (pn != null) {
      String description = geocoder.getDescriptionForNumber(pn, locale);
      LogUtil.v(
          "PhoneNumberGeoUtilImpl.getGeoDescription", "- got description: '" + description + "'");
      return description;
    }

    return null;
  }
}