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package org.mozc.android.inputmethod.japanese.preference;

import static org.easymock.EasyMock.expect;

import org.mozc.android.inputmethod.japanese.protobuf.ProtoUserDictionaryStorage.UserDictionaryCommand;
import org.mozc.android.inputmethod.japanese.protobuf.ProtoUserDictionaryStorage.UserDictionaryCommand.CommandType;
import org.mozc.android.inputmethod.japanese.protobuf.ProtoUserDictionaryStorage.UserDictionaryCommandStatus;
import org.mozc.android.inputmethod.japanese.resources.R;
import org.mozc.android.inputmethod.japanese.session.SessionExecutor;
import org.mozc.android.inputmethod.japanese.testing.InstrumentationTestCaseWithMock;
import com.google.common.base.Optional;

import android.content.Context;
import android.content.DialogInterface;
import android.test.suitebuilder.annotation.SmallTest;
import android.util.AttributeSet;
import android.util.Xml;

/**
 */
public class ClearUserDictionaryDialogPreferenceTest extends InstrumentationTestCaseWithMock {

  private ClearUserDictionaryDialogPreference preference;
  private SessionExecutor mockSessionExecutor;
  private Optional<SessionExecutor> originalSessionExecutor = Optional.absent();

  @Override
  protected void setUp() throws Exception {
    super.setUp();
    Context context = getInstrumentation().getTargetContext();
    AttributeSet attrs = Xml.asAttributeSet(context.getResources().getXml(R.xml.pref_dictionary));
    preference = new ClearUserDictionaryDialogPreference(context, attrs);

    mockSessionExecutor = createMock(SessionExecutor.class);
    originalSessionExecutor = SessionExecutor.setInstanceForTest(Optional.of(mockSessionExecutor));
  }

  @Override
  protected void tearDown() throws Exception {
    SessionExecutor.setInstanceForTest(originalSessionExecutor);

    originalSessionExecutor = Optional.absent();
    mockSessionExecutor = null;
    preference = null;
    super.tearDown();
  }

  @SmallTest
  public void testOnClick() {
    doTestOnClick(true, DialogInterface.BUTTON_POSITIVE);
    doTestOnClick(false, DialogInterface.BUTTON_NEUTRAL);
    doTestOnClick(false, DialogInterface.BUTTON_NEGATIVE);
  }

  private void doTestOnClick(boolean expectOnClickToFire, int button) {
    resetAll();
    DialogInterface dialogMock = createNiceMock(DialogInterface.class);
    if (expectOnClickToFire) {
      expect(mockSessionExecutor.sendUserDictionaryCommand(
          UserDictionaryCommand.newBuilder()
              .setType(CommandType.CLEAR_STORAGE)
              .build()))
          .andReturn(UserDictionaryCommandStatus.getDefaultInstance());
    }
    replayAll();

    preference.onClick(dialogMock, button);
    verifyAll();
  }
}