/*
 * Copyright (C) 2022 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 android.platform.test.rule;

import android.util.Log;

import com.android.launcher3.tapl.LauncherInstrumentation;
import com.android.launcher3.tapl.Workspace;

import org.junit.runner.Description;

/** Drags an app to the homescreen for quick access. */
public class AddAppToHomescreenRule extends TestWatcher {
    private static final String LOG_TAG = AddAppToHomescreenRule.class.getSimpleName();
    private static final String ADD_APP_TO_HOMESCREEN = "add-app-to-homescreen";
    private static final String HOME_SCREEN_APP_NAME = "homescreen-app-name";

    private final LauncherInstrumentation mLauncher = new LauncherInstrumentation();

    private String mAppName;

    public AddAppToHomescreenRule() {
    }

    public AddAppToHomescreenRule(String appName) {
        mAppName = appName;
    }

    @Override
    protected void starting(Description description) {
        if (!Boolean.parseBoolean(getArguments().getString(ADD_APP_TO_HOMESCREEN, "true"))) {
            Log.d(LOG_TAG, "Adding the app icon to the homescreen is disabled.");
            return;
        }

        String appName = getArguments().getString(HOME_SCREEN_APP_NAME, "");
        if(appName != null && !appName.isEmpty()) {
           mAppName = appName;
        }

        // TODO(b/241957916): Use the #goHome method when it's synced to AOSP.
        mLauncher.pressHome();
        Workspace workspace = mLauncher.getWorkspace();
        if (workspace.tryGetWorkspaceAppIcon(mAppName) != null) {
            Log.d(LOG_TAG, String.format("App icon (%s) is already on the homescreen.", mAppName));
        } else {
            Log.d(LOG_TAG, String.format("Adding app icon (%s) to the homescreen.", mAppName));
            workspace
                    .switchToAllApps()
                    .getAppIcon(mAppName)
                    .dragToWorkspace(/* startsActivity */ false, /* isWidgetShortcut */ false);
        }
    }
}