/*
 * Copyright (C) 2024 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.app.assist.AssistContent
import android.content.Intent
import android.net.Uri
import android.os.Process
import android.os.UserHandle
import android.platform.test.annotations.EnableFlags
import androidx.test.ext.junit.runners.AndroidJUnit4
import com.android.internal.logging.UiEventLogger
import com.android.systemui.SysuiTestCase
import com.android.systemui.screenshot.ui.viewmodel.PreviewAction
import com.android.systemui.shared.Flags
import com.google.common.truth.Truth.assertThat
import java.util.UUID
import kotlin.test.Test
import kotlinx.coroutines.test.TestCoroutineScheduler
import kotlinx.coroutines.test.TestScope
import kotlinx.coroutines.test.UnconfinedTestDispatcher
import org.junit.runner.RunWith
import org.mockito.Mockito.verifyNoMoreInteractions
import org.mockito.kotlin.any
import org.mockito.kotlin.argumentCaptor
import org.mockito.kotlin.doReturn
import org.mockito.kotlin.eq
import org.mockito.kotlin.mock
import org.mockito.kotlin.never
import org.mockito.kotlin.times
import org.mockito.kotlin.verify

@RunWith(AndroidJUnit4::class)
class DefaultScreenshotActionsProviderTest : SysuiTestCase() {
    private val scheduler = TestCoroutineScheduler()
    private val mainDispatcher = UnconfinedTestDispatcher(scheduler)
    private val testScope = TestScope(mainDispatcher)
    private val actionExecutor = mock<ActionExecutor>()
    private val uiEventLogger = mock<UiEventLogger>()
    private val actionsCallback = mock<ScreenshotActionsController.ActionsCallback>()
    private val actionIntentCreator =
        ActionIntentCreator(
            context,
            context.packageManager,
            testScope.backgroundScope,
            mainDispatcher,
        )

    private val request = ScreenshotData.forTesting(userHandle = UserHandle.OWNER)
    private val validResult = ScreenshotSavedResult(Uri.EMPTY, Process.myUserHandle(), 0)

    private lateinit var actionsProvider: ScreenshotActionsProvider

    @Test
    fun previewActionAccessed_beforeScreenshotCompleted_doesNothing() {
        actionsProvider = createActionsProvider()

        val previewActionCaptor = argumentCaptor<PreviewAction>()
        verify(actionsCallback).providePreviewAction(previewActionCaptor.capture())
        previewActionCaptor.firstValue.onClick.invoke()
        verifyNoMoreInteractions(actionExecutor)
    }

    @Test
    fun actionButtonsAccessed_beforeScreenshotCompleted_doesNothing() {
        actionsProvider = createActionsProvider()

        val actionButtonCaptor = argumentCaptor<() -> Unit>()
        verify(actionsCallback, times(2))
            .provideActionButton(any(), any(), actionButtonCaptor.capture())
        val firstAction = actionButtonCaptor.firstValue
        val secondAction = actionButtonCaptor.secondValue
        firstAction.invoke()
        secondAction.invoke()
        verifyNoMoreInteractions(actionExecutor)
    }

    @Test
    fun actionAccessed_withResult_launchesIntent() {
        actionsProvider = createActionsProvider()

        actionsProvider.setCompletedScreenshot(validResult)

        val actionButtonCaptor = argumentCaptor<() -> Unit>()
        verify(actionsCallback, times(2))
            .provideActionButton(any(), any(), actionButtonCaptor.capture())
        actionButtonCaptor.firstValue.invoke()

        verify(uiEventLogger).log(eq(ScreenshotEvent.SCREENSHOT_SHARE_TAPPED), eq(0), eq(""))
        val intentCaptor = argumentCaptor<Intent>()
        verify(actionExecutor)
            .startSharedTransition(intentCaptor.capture(), eq(Process.myUserHandle()), eq(false))
        assertThat(intentCaptor.firstValue.action).isEqualTo(Intent.ACTION_CHOOSER)
    }

    @Test
    @EnableFlags(Flags.FLAG_SCREENSHOT_CONTEXT_URL)
    fun shareAction_includesAssistContentUri() {
        actionsProvider = createActionsProvider()

        actionsProvider.setCompletedScreenshot(validResult)

        val uri = Uri.parse("http://www.android.com")
        val assistContent = mock<AssistContent>() { on { webUri } doReturn uri }

        actionsProvider.onAssistContent(assistContent)

        val actionButtonCaptor = argumentCaptor<() -> Unit>()
        verify(actionsCallback, times(2))
            .provideActionButton(any(), any(), actionButtonCaptor.capture())
        actionButtonCaptor.firstValue.invoke()

        val intentCaptor = argumentCaptor<Intent>()
        verify(actionExecutor)
            .startSharedTransition(intentCaptor.capture(), eq(Process.myUserHandle()), eq(false))
        val innerIntent =
            intentCaptor.lastValue.extras?.getParcelable(Intent.EXTRA_INTENT, Intent::class.java)
        assertThat(innerIntent?.getStringExtra(Intent.EXTRA_TEXT)).isEqualTo(uri.toString())
    }

    @Test
    fun actionAccessed_whilePending_launchesMostRecentAction() {
        actionsProvider = createActionsProvider()

        val previewActionCaptor = argumentCaptor<PreviewAction>()
        verify(actionsCallback).providePreviewAction(previewActionCaptor.capture())
        val actionButtonCaptor = argumentCaptor<() -> Unit>()
        verify(actionsCallback, times(2))
            .provideActionButton(any(), any(), actionButtonCaptor.capture())

        actionButtonCaptor.firstValue.invoke()
        previewActionCaptor.firstValue.onClick.invoke()
        actionButtonCaptor.secondValue.invoke()
        actionsProvider.setCompletedScreenshot(validResult)

        verify(uiEventLogger).log(eq(ScreenshotEvent.SCREENSHOT_EDIT_TAPPED), eq(0), eq(""))
        val intentCaptor = argumentCaptor<Intent>()
        verify(actionExecutor)
            .startSharedTransition(intentCaptor.capture(), eq(Process.myUserHandle()), eq(true))
        assertThat(intentCaptor.firstValue.action).isEqualTo(Intent.ACTION_EDIT)
    }

    @Test
    fun scrollChipClicked_callsOnClick() {
        actionsProvider = createActionsProvider()

        val onScrollClick = mock<Runnable>()
        actionsProvider.onScrollChipReady(onScrollClick)
        val actionButtonCaptor = argumentCaptor<() -> Unit>()
        // share, edit, scroll
        verify(actionsCallback, times(3))
            .provideActionButton(any(), any(), actionButtonCaptor.capture())
        actionButtonCaptor.thirdValue.invoke()

        verify(onScrollClick).run()
    }

    @Test
    fun scrollChipClicked_afterInvalidate_doesNothing() {
        actionsProvider = createActionsProvider()

        val onScrollClick = mock<Runnable>()
        actionsProvider.onScrollChipReady(onScrollClick)
        val actionButtonCaptor = argumentCaptor<() -> Unit>()
        actionsProvider.onScrollChipInvalidated()
        // share, edit, scroll
        verify(actionsCallback, times(3))
            .provideActionButton(any(), any(), actionButtonCaptor.capture())
        actionButtonCaptor.thirdValue.invoke()

        verify(onScrollClick, never()).run()
    }

    @Test
    fun scrollChipClicked_afterUpdate_runsNewAction() {
        actionsProvider = createActionsProvider()

        val onScrollClick = mock<Runnable>()
        val onScrollClick2 = mock<Runnable>()

        actionsProvider.onScrollChipReady(onScrollClick)
        actionsProvider.onScrollChipInvalidated()
        actionsProvider.onScrollChipReady(onScrollClick2)
        val actionButtonCaptor = argumentCaptor<() -> Unit>()
        // share, edit, scroll
        verify(actionsCallback, times(3))
            .provideActionButton(any(), any(), actionButtonCaptor.capture())
        actionButtonCaptor.thirdValue.invoke()

        verify(onScrollClick2).run()
        verify(onScrollClick, never()).run()
    }

    private fun createActionsProvider(): ScreenshotActionsProvider {
        return DefaultScreenshotActionsProvider(
            context,
            uiEventLogger,
            actionIntentCreator,
            testScope,
            UUID.randomUUID(),
            request,
            actionExecutor,
            actionsCallback,
        )
    }
}