/*
 * Copyright (C) 2021 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.qs.external

import android.app.IUriGrantsManager
import android.app.StatusBarManager
import android.content.ComponentName
import android.content.DialogInterface
import android.graphics.drawable.Icon
import android.os.RemoteException
import androidx.test.ext.junit.runners.AndroidJUnit4
import androidx.test.filters.SmallTest
import com.android.internal.logging.InstanceId
import com.android.internal.statusbar.IAddTileResultCallback
import com.android.systemui.InstanceIdSequenceFake
import com.android.systemui.SysuiTestCase
import com.android.systemui.qs.QSHost
import com.android.systemui.statusbar.CommandQueue
import com.android.systemui.statusbar.commandline.CommandRegistry
import com.android.systemui.util.mockito.any
import com.android.systemui.util.mockito.capture
import com.android.systemui.util.mockito.eq
import com.google.common.truth.Truth.assertThat
import java.util.function.Consumer
import org.junit.Before
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.ArgumentCaptor
import org.mockito.Mock
import org.mockito.Mockito.anyBoolean
import org.mockito.Mockito.anyInt
import org.mockito.Mockito.anyString
import org.mockito.Mockito.atLeastOnce
import org.mockito.Mockito.never
import org.mockito.Mockito.verify
import org.mockito.Mockito.`when`
import org.mockito.MockitoAnnotations

@SmallTest
@RunWith(AndroidJUnit4::class)
class TileServiceRequestControllerTest : SysuiTestCase() {

    companion object {
        private val TEST_COMPONENT = ComponentName("test_pkg", "test_cls")
        private const val TEST_APP_NAME = "App"
        private const val TEST_LABEL = "Label"
        private const val TEST_UID = 12345
    }

    @Mock
    private lateinit var tileRequestDialog: TileRequestDialog
    @Mock
    private lateinit var qsHost: QSHost
    @Mock
    private lateinit var commandRegistry: CommandRegistry
    @Mock
    private lateinit var commandQueue: CommandQueue
    @Mock
    private lateinit var logger: TileRequestDialogEventLogger
    @Mock
    private lateinit var icon: Icon
    @Mock
    private lateinit var ugm: IUriGrantsManager

    private val instanceIdSequence = InstanceIdSequenceFake(1_000)
    private lateinit var controller: TileServiceRequestController

    @Before
    fun setUp() {
        MockitoAnnotations.initMocks(this)

        `when`(logger.newInstanceId()).thenReturn(instanceIdSequence.newInstanceId())

        // Tile not present by default
        `when`(qsHost.indexOf(anyString())).thenReturn(-1)

        controller = TileServiceRequestController(
                qsHost,
                commandQueue,
                commandRegistry,
                logger,
                ugm,
        ) {
            tileRequestDialog
        }

        controller.init()
    }

    @Test
    fun requestTileAdd_dataIsPassedToDialog() {
        controller.requestTileAdd(
                TEST_UID,
                TEST_COMPONENT,
                TEST_APP_NAME,
                TEST_LABEL,
                icon,
                Callback(),
        )

        verify(tileRequestDialog).setTileData(
                TileRequestDialog.TileData(
                        TEST_UID,
                        TEST_APP_NAME,
                        TEST_LABEL,
                        icon,
                        TEST_COMPONENT.packageName,
                ),
                ugm,
        )
    }

    @Test
    fun tileAlreadyAdded_correctResult() {
        `when`(qsHost.indexOf(CustomTile.toSpec(TEST_COMPONENT))).thenReturn(2)

        val callback = Callback()
        controller.requestTileAdd(
                TEST_UID,
                TEST_COMPONENT,
                TEST_APP_NAME,
                TEST_LABEL,
                icon,
                callback,
        )

        assertThat(callback.lastAccepted).isEqualTo(TileServiceRequestController.TILE_ALREADY_ADDED)
        verify(qsHost, never()).addTile(any(ComponentName::class.java), anyBoolean())
    }

    @Test
    fun tileAlreadyAdded_logged() {
        `when`(qsHost.indexOf(CustomTile.toSpec(TEST_COMPONENT))).thenReturn(2)

        controller.requestTileAdd(TEST_UID, TEST_COMPONENT, TEST_APP_NAME, TEST_LABEL, icon) {}

        verify(logger).logTileAlreadyAdded(eq<String>(TEST_COMPONENT.packageName), any())
        verify(logger, never()).logDialogShown(anyString(), any())
        verify(logger, never()).logUserResponse(anyInt(), anyString(), any())
    }

    @Test
    fun showAllUsers_set() {
        controller.requestTileAdd(
                TEST_UID,
                TEST_COMPONENT,
                TEST_APP_NAME,
                TEST_LABEL,
                icon,
                Callback(),
        )
        verify(tileRequestDialog).setShowForAllUsers(true)
    }

    @Test
    fun cancelOnTouchOutside_set() {
        controller.requestTileAdd(
                TEST_UID,
                TEST_COMPONENT,
                TEST_APP_NAME,
                TEST_LABEL,
                icon,
                Callback(),
        )
        verify(tileRequestDialog).setCanceledOnTouchOutside(true)
    }

    @Test
    fun dialogShown_logged() {
        controller.requestTileAdd(TEST_UID, TEST_COMPONENT, TEST_APP_NAME, TEST_LABEL, icon) {}

        verify(logger).logDialogShown(eq<String>(TEST_COMPONENT.packageName), any())
    }

    @Test
    fun cancelListener_dismissResult() {
        val cancelListenerCaptor =
                ArgumentCaptor.forClass(DialogInterface.OnCancelListener::class.java)

        val callback = Callback()
        controller.requestTileAdd(
                TEST_UID,
                TEST_COMPONENT,
                TEST_APP_NAME,
                TEST_LABEL,
                icon,
                callback,
        )
        verify(tileRequestDialog).setOnCancelListener(capture(cancelListenerCaptor))

        cancelListenerCaptor.value.onCancel(tileRequestDialog)
        assertThat(callback.lastAccepted).isEqualTo(TileServiceRequestController.DISMISSED)
        verify(qsHost, never()).addTile(any(ComponentName::class.java), anyBoolean())
    }

    @Test
    fun dialogCancelled_logged() {
        val cancelListenerCaptor =
                ArgumentCaptor.forClass(DialogInterface.OnCancelListener::class.java)

        controller.requestTileAdd(TEST_UID, TEST_COMPONENT, TEST_APP_NAME, TEST_LABEL, icon) {}
        val instanceId = InstanceId.fakeInstanceId(instanceIdSequence.lastInstanceId)

        verify(tileRequestDialog).setOnCancelListener(capture(cancelListenerCaptor))
        verify(logger).logDialogShown(TEST_COMPONENT.packageName, instanceId)

        cancelListenerCaptor.value.onCancel(tileRequestDialog)
        verify(logger).logUserResponse(
                StatusBarManager.TILE_ADD_REQUEST_RESULT_DIALOG_DISMISSED,
                TEST_COMPONENT.packageName,
                instanceId
        )
    }

    @Test
    fun positiveActionListener_tileAddedResult() {
        val clickListenerCaptor =
                ArgumentCaptor.forClass(DialogInterface.OnClickListener::class.java)

        val callback = Callback()
        controller.requestTileAdd(
                TEST_UID,
                TEST_COMPONENT,
                TEST_APP_NAME,
                TEST_LABEL,
                icon,
                callback,
        )
        verify(tileRequestDialog).setPositiveButton(anyInt(), capture(clickListenerCaptor))

        clickListenerCaptor.value.onClick(tileRequestDialog, DialogInterface.BUTTON_POSITIVE)

        assertThat(callback.lastAccepted).isEqualTo(TileServiceRequestController.ADD_TILE)
        verify(qsHost).addTile(TEST_COMPONENT, /* end */ true)
    }

    @Test
    fun tileAdded_logged() {
        val clickListenerCaptor =
                ArgumentCaptor.forClass(DialogInterface.OnClickListener::class.java)

        controller.requestTileAdd(TEST_UID, TEST_COMPONENT, TEST_APP_NAME, TEST_LABEL, icon) {}
        val instanceId = InstanceId.fakeInstanceId(instanceIdSequence.lastInstanceId)

        verify(tileRequestDialog).setPositiveButton(anyInt(), capture(clickListenerCaptor))
        verify(logger).logDialogShown(TEST_COMPONENT.packageName, instanceId)

        clickListenerCaptor.value.onClick(tileRequestDialog, DialogInterface.BUTTON_POSITIVE)
        verify(logger).logUserResponse(
                StatusBarManager.TILE_ADD_REQUEST_RESULT_TILE_ADDED,
                TEST_COMPONENT.packageName,
                instanceId
        )
    }

    @Test
    fun negativeActionListener_tileNotAddedResult() {
        val clickListenerCaptor =
                ArgumentCaptor.forClass(DialogInterface.OnClickListener::class.java)

        val callback = Callback()
        controller.requestTileAdd(
                TEST_UID,
                TEST_COMPONENT,
                TEST_APP_NAME,
                TEST_LABEL,
                icon,
                callback,
        )
        verify(tileRequestDialog).setNegativeButton(anyInt(), capture(clickListenerCaptor))

        clickListenerCaptor.value.onClick(tileRequestDialog, DialogInterface.BUTTON_NEGATIVE)

        assertThat(callback.lastAccepted).isEqualTo(TileServiceRequestController.DONT_ADD_TILE)
        verify(qsHost, never()).addTile(any(ComponentName::class.java), anyBoolean())
    }

    @Test
    fun tileNotAdded_logged() {
        val clickListenerCaptor =
                ArgumentCaptor.forClass(DialogInterface.OnClickListener::class.java)

        controller.requestTileAdd(TEST_UID, TEST_COMPONENT, TEST_APP_NAME, TEST_LABEL, icon) {}
        val instanceId = InstanceId.fakeInstanceId(instanceIdSequence.lastInstanceId)

        verify(tileRequestDialog).setNegativeButton(anyInt(), capture(clickListenerCaptor))
        verify(logger).logDialogShown(TEST_COMPONENT.packageName, instanceId)

        clickListenerCaptor.value.onClick(tileRequestDialog, DialogInterface.BUTTON_NEGATIVE)
        verify(logger).logUserResponse(
                StatusBarManager.TILE_ADD_REQUEST_RESULT_TILE_NOT_ADDED,
                TEST_COMPONENT.packageName,
                instanceId
        )
    }

    @Test
    fun commandQueueCallback_registered() {
        verify(commandQueue).addCallback(any())
    }

    @Test
    fun commandQueueCallback_dataPassedToDialog() {
        val captor = ArgumentCaptor.forClass(CommandQueue.Callbacks::class.java)
        verify(commandQueue, atLeastOnce()).addCallback(capture(captor))

        captor.value.requestAddTile(
                TEST_UID,
                TEST_COMPONENT,
                TEST_APP_NAME,
                TEST_LABEL,
                icon,
                Callback(),
        )

        verify(tileRequestDialog).setTileData(
                TileRequestDialog.TileData(
                        TEST_UID,
                        TEST_APP_NAME,
                        TEST_LABEL,
                        icon,
                        TEST_COMPONENT.packageName,
                ),
                ugm,
        )
    }

    @Test
    fun commandQueueCallback_callbackCalled() {
        `when`(qsHost.indexOf(CustomTile.toSpec(TEST_COMPONENT))).thenReturn(2)
        val captor = ArgumentCaptor.forClass(CommandQueue.Callbacks::class.java)
        verify(commandQueue, atLeastOnce()).addCallback(capture(captor))
        val c = Callback()

        captor.value.requestAddTile(TEST_UID, TEST_COMPONENT, TEST_APP_NAME, TEST_LABEL, icon, c)

        assertThat(c.lastAccepted).isEqualTo(TileServiceRequestController.TILE_ALREADY_ADDED)
    }

    @Test
    fun interfaceThrowsRemoteException_doesntCrash() {
        val cancelListenerCaptor =
                ArgumentCaptor.forClass(DialogInterface.OnCancelListener::class.java)
        val captor = ArgumentCaptor.forClass(CommandQueue.Callbacks::class.java)
        verify(commandQueue, atLeastOnce()).addCallback(capture(captor))

        val callback = object : IAddTileResultCallback.Stub() {
            override fun onTileRequest(p0: Int) {
                throw RemoteException()
            }
        }
        captor.value.requestAddTile(
                TEST_UID,
                TEST_COMPONENT,
                TEST_APP_NAME,
                TEST_LABEL,
                icon,
                callback,
        )
        verify(tileRequestDialog).setOnCancelListener(capture(cancelListenerCaptor))

        cancelListenerCaptor.value.onCancel(tileRequestDialog)
    }

    @Test
    fun testDismissDialogResponse() {
        val dismissListenerCaptor =
            ArgumentCaptor.forClass(DialogInterface.OnDismissListener::class.java)

        val callback = Callback()
        controller.requestTileAdd(
                TEST_UID,
                TEST_COMPONENT,
                TEST_APP_NAME,
                TEST_LABEL,
                icon,
                callback,
        )
        verify(tileRequestDialog).setOnDismissListener(capture(dismissListenerCaptor))

        dismissListenerCaptor.value.onDismiss(tileRequestDialog)
        assertThat(callback.lastAccepted).isEqualTo(TileServiceRequestController.DISMISSED)
    }

    @Test
    fun addTileAndThenDismissSendsOnlyAddTile() {
        // After clicking, the dialog is dismissed. This tests that only one response
        // is sent (the first one)
        val dismissListenerCaptor =
            ArgumentCaptor.forClass(DialogInterface.OnDismissListener::class.java)
        val clickListenerCaptor =
            ArgumentCaptor.forClass(DialogInterface.OnClickListener::class.java)

        val callback = Callback()
        controller.requestTileAdd(
                TEST_UID,
                TEST_COMPONENT,
                TEST_APP_NAME,
                TEST_LABEL,
                icon,
                callback,
        )
        verify(tileRequestDialog).setPositiveButton(anyInt(), capture(clickListenerCaptor))
        verify(tileRequestDialog).setOnDismissListener(capture(dismissListenerCaptor))

        clickListenerCaptor.value.onClick(tileRequestDialog, DialogInterface.BUTTON_POSITIVE)
        dismissListenerCaptor.value.onDismiss(tileRequestDialog)

        assertThat(callback.lastAccepted).isEqualTo(TileServiceRequestController.ADD_TILE)
        assertThat(callback.timesCalled).isEqualTo(1)
    }

    @Test
    fun cancelAndThenDismissSendsOnlyOnce() {
        // After cancelling, the dialog is dismissed. This tests that only one response
        // is sent.
        val dismissListenerCaptor =
            ArgumentCaptor.forClass(DialogInterface.OnDismissListener::class.java)
        val cancelListenerCaptor =
            ArgumentCaptor.forClass(DialogInterface.OnCancelListener::class.java)

        val callback = Callback()
        controller.requestTileAdd(
                TEST_UID,
                TEST_COMPONENT,
                TEST_APP_NAME,
                TEST_LABEL,
                icon,
                callback,
        )
        verify(tileRequestDialog).setOnCancelListener(capture(cancelListenerCaptor))
        verify(tileRequestDialog).setOnDismissListener(capture(dismissListenerCaptor))

        cancelListenerCaptor.value.onCancel(tileRequestDialog)
        dismissListenerCaptor.value.onDismiss(tileRequestDialog)

        assertThat(callback.lastAccepted).isEqualTo(TileServiceRequestController.DISMISSED)
        assertThat(callback.timesCalled).isEqualTo(1)
    }

    private class Callback : IAddTileResultCallback.Stub(), Consumer<Int> {
        var lastAccepted: Int? = null
            private set

        var timesCalled = 0
            private set

        override fun accept(t: Int) {
            lastAccepted = t
            timesCalled++
        }

        override fun onTileRequest(r: Int) {
            accept(r)
        }
    }
}