/*
 * Copyright (C) 2023 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.settings.ui.testutils

import android.content.Context
import android.content.Intent
import android.view.KeyEvent
import androidx.test.core.app.ApplicationProvider
import androidx.test.uiautomator.By
import androidx.test.uiautomator.BySelector
import androidx.test.uiautomator.Direction
import androidx.test.uiautomator.UiDevice
import androidx.test.uiautomator.UiObject2
import androidx.test.uiautomator.Until
import com.google.common.truth.Truth.assertWithMessage

object SettingsTestUtils {
    const val SETTINGS_PACKAGE = "com.android.settings"
    const val TIMEOUT = 2000L

    fun UiDevice.waitObject(bySelector: BySelector): UiObject2? =
        wait(Until.findObject(bySelector), TIMEOUT)

    fun UiDevice.assertObject(bySelector: BySelector): UiObject2 =
        checkNotNull(waitObject(bySelector)) { "$bySelector not found" }

    fun UiDevice.clickObject(bySelector: BySelector) = assertObject(bySelector).click()

    fun UiDevice.startMainActivityFromHomeScreen(action: String) {
        startMainActivityFromHomeScreen(Intent(action))
    }

    fun UiDevice.startMainActivityFromHomeScreen(intent: Intent) {
        pressKeyCodes(intArrayOf(KeyEvent.KEYCODE_MENU, KeyEvent.KEYCODE_MENU))  // unlock

        // Start from the home screen
        pressHome()

        // Wait for launcher
        waitObject(By.pkg(launcherPackageName).depth(0))

        // Launch the app
        ApplicationProvider.getApplicationContext<Context>().startActivity(Intent(intent).apply {
            addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK)
            addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
        })

        // Wait for the app to appear
        waitObject(By.pkg(SETTINGS_PACKAGE).depth(0))
    }

    fun UiDevice.assertHasTexts(texts: List<String>) {
        val scrollableObj =
            findObject(By.res(SETTINGS_PACKAGE, "main_content"))
                ?: findObject(By.scrollable(true))
        for (text in texts) {
            val selector = By.text(text)
            assertWithMessage("Missing text: $text").that(
                findObject(selector)
                    ?: scrollableObj.scrollUntil(Direction.DOWN, Until.findObject(selector))
                    ?: waitObject(selector)
            ).isNotNull()
        }
    }
}