/*
 * 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.databasepopulator;

import android.content.ContentProviderOperation;
import android.content.ContentValues;
import android.content.Context;
import android.content.OperationApplicationException;
import android.os.RemoteException;
import android.provider.CallLog;
import android.provider.CallLog.Calls;
import android.support.annotation.NonNull;
import android.support.annotation.WorkerThread;
import com.android.dialer.common.Assert;
import com.google.auto.value.AutoValue;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.TimeUnit;

/** Populates the device database with call log entries. */
public final class CallLogPopulator {
  // Phone numbers from https://www.google.com/about/company/facts/locations/
  private static final CallEntry.Builder[] SIMPLE_CALL_LOG = {
    CallEntry.builder().setType(Calls.MISSED_TYPE).setNumber("+1-302-6365454"),
    CallEntry.builder()
        .setType(Calls.MISSED_TYPE)
        .setNumber("")
        .setPresentation(Calls.PRESENTATION_UNKNOWN),
    CallEntry.builder().setType(Calls.REJECTED_TYPE).setNumber("+1-302-6365454"),
    CallEntry.builder().setType(Calls.INCOMING_TYPE).setNumber("+1-302-6365454"),
    CallEntry.builder()
        .setType(Calls.MISSED_TYPE)
        .setNumber("1234")
        .setPresentation(Calls.PRESENTATION_RESTRICTED),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("+1-302-6365454"),
    CallEntry.builder().setType(Calls.BLOCKED_TYPE).setNumber("+1-302-6365454"),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("(425) 739-5600"),
    CallEntry.builder().setType(Calls.ANSWERED_EXTERNALLY_TYPE).setNumber("(425) 739-5600"),
    CallEntry.builder().setType(Calls.MISSED_TYPE).setNumber("+1 (425) 739-5600"),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("739-5600"),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("711"),
    CallEntry.builder().setType(Calls.INCOMING_TYPE).setNumber("711"),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("(425) 739-5600"),
    CallEntry.builder().setType(Calls.MISSED_TYPE).setNumber("+44 (0) 20 7031 3000"),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("+1-650-2530000"),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("+1 303-245-0086;123,456"),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("+1 303-245-0086"),
    CallEntry.builder().setType(Calls.INCOMING_TYPE).setNumber("+1-650-2530000"),
    CallEntry.builder().setType(Calls.MISSED_TYPE).setNumber("650-2530000"),
    CallEntry.builder().setType(Calls.REJECTED_TYPE).setNumber("2530000"),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("+1 404-487-9000"),
    CallEntry.builder().setType(Calls.INCOMING_TYPE).setNumber("+61 2 9374 4001"),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("+33 (0)1 42 68 53 00"),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("972-74-746-6245"),
    CallEntry.builder().setType(Calls.INCOMING_TYPE).setNumber("+971 4 4509500"),
    CallEntry.builder().setType(Calls.INCOMING_TYPE).setNumber("+971 4 4509500"),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("55-31-2128-6800"),
    CallEntry.builder().setType(Calls.MISSED_TYPE).setNumber("611"),
    CallEntry.builder().setType(Calls.OUTGOING_TYPE).setNumber("*86 512-343-5283"),
  };

  @WorkerThread
  public static void populateCallLog(@NonNull Context context, boolean isWithoutMissedCalls) {
    populateCallLog(context, isWithoutMissedCalls, false);
  }

  @WorkerThread
  public static void populateCallLog(@NonNull Context context) {
    populateCallLog(context, false);
  }

  @WorkerThread
  public static void populateCallLog(
      @NonNull Context context, boolean isWithoutMissedCalls, boolean fastMode) {
    Assert.isWorkerThread();
    ArrayList<ContentProviderOperation> operations = new ArrayList<>();
    // Do this 4 times to make the call log 4 times bigger.
    long timeMillis = System.currentTimeMillis();
    List<CallEntry.Builder> callLogs = new ArrayList<>();
    if (fastMode) {
      callLogs.add(SIMPLE_CALL_LOG[0]);
    } else {
      callLogs = Arrays.asList(SIMPLE_CALL_LOG);
    }
    for (int i = 0; i < 4; i++) {
      for (CallEntry.Builder builder : callLogs) {
        CallEntry callEntry = builder.setTimeMillis(timeMillis).build();
        if (isWithoutMissedCalls && builder.build().getType() == Calls.MISSED_TYPE) {
          continue;
        }
        operations.add(
            ContentProviderOperation.newInsert(Calls.CONTENT_URI)
                .withValues(callEntry.getAsContentValues())
                .withYieldAllowed(true)
                .build());
        timeMillis -= TimeUnit.HOURS.toMillis(1);
      }
    }
    try {
      context.getContentResolver().applyBatch(CallLog.AUTHORITY, operations);
    } catch (RemoteException | OperationApplicationException e) {
      Assert.fail("error adding call entries: " + e);
    }
  }

  @WorkerThread
  public static void populateCallLogWithoutMissed(@NonNull Context context) {
    populateCallLog(context, true);
  }

  @WorkerThread
  public static void deleteAllCallLog(@NonNull Context context) {
    Assert.isWorkerThread();
    try {
      context
          .getContentResolver()
          .applyBatch(
              CallLog.AUTHORITY,
              new ArrayList<>(
                  Arrays.asList(ContentProviderOperation.newDelete(Calls.CONTENT_URI).build())));
    } catch (RemoteException | OperationApplicationException e) {
      Assert.fail("failed to delete call log: " + e);
    }
  }



  @AutoValue
  abstract static class CallEntry {
    @NonNull
    abstract String getNumber();

    abstract int getType();

    abstract int getPresentation();

    abstract long getTimeMillis();

    static Builder builder() {
      return new AutoValue_CallLogPopulator_CallEntry.Builder()
          .setPresentation(Calls.PRESENTATION_ALLOWED);
    }

    ContentValues getAsContentValues() {
      ContentValues values = new ContentValues();
      values.put(Calls.TYPE, getType());
      values.put(Calls.NUMBER, getNumber());
      values.put(Calls.NUMBER_PRESENTATION, getPresentation());
      values.put(Calls.DATE, getTimeMillis());
      return values;
    }

    @AutoValue.Builder
    abstract static class Builder {
      abstract Builder setNumber(@NonNull String number);

      abstract Builder setType(int type);

      abstract Builder setPresentation(int presentation);

      abstract Builder setTimeMillis(long timeMillis);

      abstract CallEntry build();
    }
  }

  private CallLogPopulator() {}
}