/*
 * Copyright (C) 2018 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.launcher3.tapl;

import static android.view.accessibility.AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED;

import android.graphics.Point;

import androidx.test.uiautomator.By;
import androidx.test.uiautomator.BySelector;
import androidx.test.uiautomator.UiObject2;
import androidx.test.uiautomator.Until;

/**
 * Ancestor for AppIcon and AppMenuItem.
 */
abstract class Launchable {
    protected final LauncherInstrumentation mLauncher;

    protected final UiObject2 mObject;

    Launchable(LauncherInstrumentation launcher, UiObject2 object) {
        mObject = object;
        mLauncher = launcher;
    }

    UiObject2 getObject() {
        return mObject;
    }

    /**
     * Clicks the object to launch its app.
     */
    public Background launch(String expectedPackageName) {
        try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
            return launch(By.pkg(expectedPackageName));
        }
    }

    protected abstract void expectActivityStartEvents();

    private Background launch(BySelector selector) {
        LauncherInstrumentation.log("Launchable.launch before click " +
                mObject.getVisibleCenter() + " in " + mLauncher.getVisibleBounds(mObject));

        mLauncher.executeAndWaitForEvent(
                () -> mLauncher.clickLauncherObject(mObject),
                event -> event.getEventType() == TYPE_WINDOW_STATE_CHANGED,
                () -> "Launching an app didn't open a new window: " + mObject.getText());
        expectActivityStartEvents();

        mLauncher.assertTrue(
                "App didn't start: " + selector,
                mLauncher.getDevice().wait(Until.hasObject(selector),
                        LauncherInstrumentation.WAIT_TIME_MS));
        return new Background(mLauncher);
    }

    /**
     * Drags an object to the center of homescreen.
     *
     * @param startsActivity   whether it's expected to start an activity.
     * @param isWidgetShortcut whether we drag a widget shortcut
     */
    public void dragToWorkspace(boolean startsActivity, boolean isWidgetShortcut) {
        try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
            final Point launchableCenter = getObject().getVisibleCenter();
            final Point displaySize = mLauncher.getRealDisplaySize();
            final int width = displaySize.x / 2;
            Workspace.dragIconToWorkspace(
                    mLauncher,
                    this,
                    new Point(
                            launchableCenter.x >= width
                                    ? launchableCenter.x - width / 2
                                    : launchableCenter.x + width / 2,
                            displaySize.y / 2),
                    getLongPressIndicator(),
                    startsActivity,
                    isWidgetShortcut,
                    () -> addExpectedEventsForLongClick());
        }
    }

    protected abstract void addExpectedEventsForLongClick();

    protected abstract String getLongPressIndicator();
}
