/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.mozilla.fenix.ui

import androidx.test.uiautomator.UiSelector
import okhttp3.mockwebserver.MockWebServer
import org.junit.After
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.mozilla.fenix.helpers.AndroidAssetDispatcher
import org.mozilla.fenix.helpers.HomeActivityTestRule
import org.mozilla.fenix.helpers.TestAssetHelper
import org.mozilla.fenix.ui.robots.browserScreen
import org.mozilla.fenix.ui.robots.homeScreen
import org.mozilla.fenix.ui.robots.mDevice
import org.mozilla.fenix.ui.robots.navigationToolbar
import org.mozilla.fenix.ui.robots.notificationShade

/**
 *  Tests for verifying basic functionality of media notifications:
 *  - video and audio playback system notifications appear and can pause/play the media content
 *  - a media notification icon is displayed on the homescreen for the tab playing media content
 *  Note: this test only verifies media notifications, not media itself
 */
class MediaNotificationTest {
    /* ktlint-disable no-blank-line-before-rbrace */ // This imposes unreadable grouping.

    private lateinit var mockWebServer: MockWebServer

    @get:Rule
    val activityTestRule = HomeActivityTestRule()

    @Before
    fun setUp() {
        mockWebServer = MockWebServer().apply {
            setDispatcher(AndroidAssetDispatcher())
            start()
        }
    }

    @After
    fun tearDown() {
        mockWebServer.shutdown()
        // verify if the notification tray is expanded and should be closed before the next test
        val notificationShade =
            mDevice.findObject(UiSelector().resourceId("com.android.systemui:id/notification_stack_scroller"))

        if (notificationShade.exists())
            mDevice.pressBack()
    }

    @Test
    fun videoPlaybackSystemNotificationTest() {
        val videoTestPage = TestAssetHelper.getVideoPageAsset(mockWebServer)

        navigationToolbar {
        }.enterURLAndEnterToBrowser(videoTestPage.url) {
            verifyPageContent(videoTestPage.content)
            clickMediaPlayerPlayButton()
            waitForPlaybackToStart()
            verifyPageContent("Media file is playing")
        }.openNotificationShade {
            verifySystemNotificationExists(videoTestPage.title)
            clickMediaSystemNotificationControlButton("Pause")
            verifyMediaSystemNotificationButtonState("Play")
        }

        mDevice.pressBack()

        browserScreen {
            verifyMediaIsPaused()
        }.openTabDrawer {
            closeTab()
        }

        mDevice.openNotification()

        notificationShade {
            verifySystemNotificationGone(videoTestPage.title)
        }

        // close notification shade before the next test
        mDevice.pressBack()
    }

    @Test
    fun audioPlaybackSystemNotificationTest() {
        val audioTestPage = TestAssetHelper.getAudioPageAsset(mockWebServer)

        navigationToolbar {
        }.enterURLAndEnterToBrowser(audioTestPage.url) {
            verifyPageContent(audioTestPage.content)
            clickMediaPlayerPlayButton()
            waitForPlaybackToStart()
        }.openNotificationShade {
            verifySystemNotificationExists(audioTestPage.title)
            clickMediaSystemNotificationControlButton("Pause")
            verifyMediaSystemNotificationButtonState("Play")
        }

        mDevice.pressBack()

        browserScreen {
            verifyMediaIsPaused()
        }.openTabDrawer {
            closeTab()
        }

        mDevice.openNotification()

        notificationShade {
            verifySystemNotificationGone(audioTestPage.title)
        }

        // close notification shade before the next test
        mDevice.pressBack()
    }

    @Test
    fun tabMediaControlButtonTest() {
        val audioTestPage = TestAssetHelper.getAudioPageAsset(mockWebServer)

        navigationToolbar {
        }.enterURLAndEnterToBrowser(audioTestPage.url) {
            verifyPageContent(audioTestPage.content)
            clickMediaPlayerPlayButton()
            waitForPlaybackToStart()
            verifyPageContent("Media file is playing")
        }.openTabDrawer {
            verifyTabMediaControlButtonState("Pause")
            clickTabMediaControlButton()
            verifyTabMediaControlButtonState("Play")
        }.openTab(audioTestPage.title) {
            verifyMediaIsPaused()
        }
    }

    @Test
    fun mediaSystemNotificationInPrivateModeTest() {
        val audioTestPage = TestAssetHelper.getAudioPageAsset(mockWebServer)

        homeScreen { }.togglePrivateBrowsingMode()

        navigationToolbar {
        }.enterURLAndEnterToBrowser(audioTestPage.url) {
            verifyPageContent(audioTestPage.content)
            clickMediaPlayerPlayButton()
            waitForPlaybackToStart()
            verifyPageContent("Media file is playing")
        }.openNotificationShade {
            verifySystemNotificationExists("A site is playing media")
            clickMediaSystemNotificationControlButton("Pause")
            verifyMediaSystemNotificationButtonState("Play")
        }

        mDevice.pressBack()

        browserScreen {
            verifyMediaIsPaused()
        }.openTabDrawer {
            closeTab()
        }.openHomeScreen { }

        mDevice.openNotification()

        notificationShade {
            verifySystemNotificationGone("A site is playing media")
        }

        // close notification shade before and go back to regular mode before the next test
        mDevice.pressBack()
        homeScreen { }.togglePrivateBrowsingMode()
    }
}