/*
 * 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.systemui.screenshot

import android.media.MediaPlayer
import androidx.test.filters.SmallTest
import com.android.systemui.SysuiTestCase
import com.android.systemui.util.mockito.mock
import com.android.systemui.util.mockito.whenever
import java.lang.IllegalStateException
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.test.TestScope
import kotlinx.coroutines.test.UnconfinedTestDispatcher
import kotlinx.coroutines.test.advanceUntilIdle
import kotlinx.coroutines.test.runTest
import org.junit.Before
import org.junit.Test
import org.mockito.Mockito.never
import org.mockito.Mockito.verify

@SmallTest
@OptIn(ExperimentalCoroutinesApi::class)
class ScreenshotSoundControllerTest : SysuiTestCase() {

    private val soundProvider = mock<ScreenshotSoundProvider>()
    private val mediaPlayer = mock<MediaPlayer>()
    private val bgDispatcher = UnconfinedTestDispatcher()
    private val scope = TestScope(bgDispatcher)

    @Before
    fun setup() {
        whenever(soundProvider.getScreenshotSound()).thenReturn(mediaPlayer)
    }

    @Test
    fun init_soundLoading() {
        createController()
        scope.advanceUntilIdle()

        verify(soundProvider).getScreenshotSound()
    }

    @Test
    fun init_soundLoadingException_playAndReleaseDoNotThrow() =
        scope.runTest {
            whenever(soundProvider.getScreenshotSound()).thenThrow(IllegalStateException())

            val controller = createController()

            controller.playScreenshotSound()
            advanceUntilIdle()

            verify(mediaPlayer, never()).start()
            verify(mediaPlayer, never()).release()
        }

    @Test
    fun playCameraSound_soundLoadingSuccessful_mediaPlayerPlays() =
        scope.runTest {
            val controller = createController()

            controller.playScreenshotSound()
            advanceUntilIdle()

            verify(mediaPlayer).start()
        }

    @Test
    fun playCameraSound_illegalStateException_doesNotThrow() =
        scope.runTest {
            whenever(mediaPlayer.start()).thenThrow(IllegalStateException())

            val controller = createController()
            controller.playScreenshotSound()
            advanceUntilIdle()

            verify(mediaPlayer).start()
            verify(mediaPlayer).release()
        }

    @Test
    fun playCameraSound_soundLoadingSuccessful_mediaPlayerReleases() =
        scope.runTest {
            val controller = createController()

            controller.releaseScreenshotSound()
            advanceUntilIdle()

            verify(mediaPlayer).release()
        }

    private fun createController() =
        ScreenshotSoundControllerImpl(soundProvider, scope, bgDispatcher)
}