/*
 * 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.calldetails;

import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.CallLog;
import android.provider.CallLog.Calls;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.MenuItem;
import android.widget.Toolbar;
import com.android.dialer.callcomposer.nano.CallComposerContact;
import com.android.dialer.calldetails.nano.CallDetailsEntries;
import com.android.dialer.calldetails.nano.CallDetailsEntries.CallDetailsEntry;
import com.android.dialer.common.Assert;
import com.android.dialer.common.AsyncTaskExecutors;
import com.android.dialer.logging.Logger;
import com.android.dialer.logging.nano.DialerImpression;
import com.android.dialer.protos.ProtoParsers;

/** Displays the details of a specific call log entry. */
public class CallDetailsActivity extends AppCompatActivity {

  private static final String EXTRA_CALL_DETAILS_ENTRIES = "call_details_entries";
  private static final String EXTRA_CONTACT = "contact";
  private static final String TASK_DELETE = "task_delete";

  private CallDetailsEntry[] entries;

  public static Intent newInstance(
      Context context, @NonNull CallDetailsEntries details, @NonNull CallComposerContact contact) {
    Assert.isNotNull(details);
    Assert.isNotNull(contact);

    Intent intent = new Intent(context, CallDetailsActivity.class);
    ProtoParsers.put(intent, EXTRA_CONTACT, contact);
    ProtoParsers.put(intent, EXTRA_CALL_DETAILS_ENTRIES, details);
    return intent;
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.call_details_activity);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setActionBar(toolbar);
    toolbar.inflateMenu(R.menu.call_details_menu);
    toolbar.setNavigationOnClickListener(v -> finish());
    onHandleIntent(getIntent());
  }

  @Override
  protected void onNewIntent(Intent intent) {
    super.onNewIntent(intent);
    onHandleIntent(intent);
  }

  private void onHandleIntent(Intent intent) {
    Bundle arguments = intent.getExtras();
    CallComposerContact contact =
        ProtoParsers.getFromInstanceState(arguments, EXTRA_CONTACT, new CallComposerContact());
    entries =
        ProtoParsers.getFromInstanceState(
                arguments, EXTRA_CALL_DETAILS_ENTRIES, new CallDetailsEntries())
            .entries;
    RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recycler_view);
    recyclerView.setLayoutManager(new LinearLayoutManager(this));
    recyclerView.setAdapter(new CallDetailsAdapter(this, contact, entries));
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    if (item.getItemId() == R.id.call_detail_delete_menu_item) {
      Logger.get(this).logImpression(DialerImpression.Type.USER_DELETED_CALL_LOG_ITEM);
      AsyncTaskExecutors.createAsyncTaskExecutor().submit(TASK_DELETE, new DeleteCallsTask());
      item.setEnabled(false);
      return true;
    }
    return super.onOptionsItemSelected(item);
  }

  /** Delete specified calls from the call log. */
  private class DeleteCallsTask extends AsyncTask<Void, Void, Void> {

    private final String callIds;

    DeleteCallsTask() {
      StringBuilder callIds = new StringBuilder();
      for (CallDetailsEntry entry : entries) {
        if (callIds.length() != 0) {
          callIds.append(",");
        }
        callIds.append(entry.callId);
      }
      this.callIds = callIds.toString();
    }

    @Override
    protected Void doInBackground(Void... params) {
      getContentResolver()
          .delete(Calls.CONTENT_URI, CallLog.Calls._ID + " IN (" + callIds + ")", null);
      return null;
    }

    @Override
    public void onPostExecute(Void result) {
      finish();
    }
  }
}