/*
 * 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.statusbar.phone

import android.content.pm.PackageManager
import android.platform.test.flag.junit.FlagsParameterization
import android.testing.TestableLooper
import androidx.test.filters.SmallTest
import com.android.systemui.SysuiTestCase
import com.android.systemui.dump.DumpManager
import com.android.systemui.flags.FakeFeatureFlags
import com.android.systemui.flags.Flags
import com.android.systemui.flags.andSceneContainer
import com.android.systemui.keyguard.domain.interactor.KeyguardTransitionInteractor
import com.android.systemui.keyguard.shared.model.KeyguardState
import com.android.systemui.kosmos.testScope
import com.android.systemui.plugins.statusbar.StatusBarStateController
import com.android.systemui.res.R
import com.android.systemui.shade.domain.interactor.shadeInteractor
import com.android.systemui.shade.shadeTestUtil
import com.android.systemui.statusbar.NotificationLockscreenUserManager
import com.android.systemui.statusbar.policy.DevicePostureController
import com.android.systemui.statusbar.policy.DevicePostureController.DEVICE_POSTURE_CLOSED
import com.android.systemui.statusbar.policy.DevicePostureController.DEVICE_POSTURE_FLIPPED
import com.android.systemui.statusbar.policy.DevicePostureController.DEVICE_POSTURE_OPENED
import com.android.systemui.statusbar.policy.DevicePostureController.DEVICE_POSTURE_UNKNOWN
import com.android.systemui.statusbar.policy.KeyguardStateController
import com.android.systemui.testKosmos
import com.android.systemui.tuner.TunerService
import com.google.common.truth.Truth.assertThat
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.test.runCurrent
import kotlinx.coroutines.test.runTest
import org.junit.After
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.ArgumentCaptor
import org.mockito.Captor
import org.mockito.Mock
import org.mockito.Mockito.anyBoolean
import org.mockito.Mockito.mock
import org.mockito.Mockito.never
import org.mockito.Mockito.reset
import org.mockito.Mockito.verify
import org.mockito.Mockito.`when` as whenever
import org.mockito.junit.MockitoJUnit
import platform.test.runner.parameterized.ParameterizedAndroidJunit4
import platform.test.runner.parameterized.Parameters

@SmallTest
@RunWith(ParameterizedAndroidJunit4::class)
@TestableLooper.RunWithLooper
class KeyguardBypassControllerTest(flags: FlagsParameterization) : SysuiTestCase() {
    private val kosmos = testKosmos()
    private val testScope = kosmos.testScope
    private val featureFlags = FakeFeatureFlags()
    private val shadeTestUtil by lazy { kosmos.shadeTestUtil }

    private lateinit var keyguardBypassController: KeyguardBypassController
    private lateinit var postureControllerCallback: DevicePostureController.Callback
    @Mock private lateinit var tunerService: TunerService
    @Mock private lateinit var statusBarStateController: StatusBarStateController
    @Mock private lateinit var lockscreenUserManager: NotificationLockscreenUserManager
    @Mock private lateinit var keyguardStateController: KeyguardStateController
    @Mock private lateinit var keyguardTransitionInteractor: KeyguardTransitionInteractor
    @Mock private lateinit var devicePostureController: DevicePostureController
    @Mock private lateinit var dumpManager: DumpManager
    @Mock private lateinit var packageManager: PackageManager

    companion object {
        @JvmStatic
        @Parameters(name = "{0}")
        fun getParams(): List<FlagsParameterization> {
            return FlagsParameterization.allCombinationsOf().andSceneContainer()
        }
    }

    init {
        mSetFlagsRule.setFlagsParameterization(flags)
    }

    @Captor
    private val postureCallbackCaptor =
        ArgumentCaptor.forClass(DevicePostureController.Callback::class.java)
    @JvmField @Rule val mockito = MockitoJUnit.rule()

    @Before
    fun setUp() {
        context.setMockPackageManager(packageManager)
        featureFlags.set(Flags.FULL_SCREEN_USER_SWITCHER, true)

        whenever(packageManager.hasSystemFeature(PackageManager.FEATURE_FACE)).thenReturn(true)
        whenever(keyguardStateController.isFaceEnrolledAndEnabled).thenReturn(true)
    }

    @After
    fun tearDown() {
        reset(devicePostureController)
        reset(keyguardStateController)
    }

    private fun defaultConfigPostureClosed() {
        context.orCreateTestableResources.addOverride(
            R.integer.config_face_auth_supported_posture,
            DEVICE_POSTURE_CLOSED
        )
        initKeyguardBypassController()
        verify(devicePostureController).addCallback(postureCallbackCaptor.capture())
        postureControllerCallback = postureCallbackCaptor.value
    }

    private fun defaultConfigPostureOpened() {
        context.orCreateTestableResources.addOverride(
            R.integer.config_face_auth_supported_posture,
            DEVICE_POSTURE_OPENED
        )
        initKeyguardBypassController()
        verify(devicePostureController).addCallback(postureCallbackCaptor.capture())
        postureControllerCallback = postureCallbackCaptor.value
    }

    private fun defaultConfigPostureFlipped() {
        context.orCreateTestableResources.addOverride(
            R.integer.config_face_auth_supported_posture,
            DEVICE_POSTURE_FLIPPED
        )
        initKeyguardBypassController()
        verify(devicePostureController).addCallback(postureCallbackCaptor.capture())
        postureControllerCallback = postureCallbackCaptor.value
    }

    private fun defaultConfigPostureUnknown() {
        context.orCreateTestableResources.addOverride(
            R.integer.config_face_auth_supported_posture,
            DEVICE_POSTURE_UNKNOWN
        )
        initKeyguardBypassController()
        verify(devicePostureController, never()).addCallback(postureCallbackCaptor.capture())
    }

    private fun initKeyguardBypassController() {
        keyguardBypassController =
            KeyguardBypassController(
                context.resources,
                context.packageManager,
                testScope.backgroundScope,
                tunerService,
                statusBarStateController,
                lockscreenUserManager,
                keyguardStateController,
                { kosmos.shadeInteractor },
                devicePostureController,
                keyguardTransitionInteractor,
                dumpManager,
            )
    }

    @Test
    fun onFaceAuthEnabledChanged_notifiesBypassEnabledListeners() {
        initKeyguardBypassController()
        val bypassListener = mock(KeyguardBypassController.OnBypassStateChangedListener::class.java)
        val callback = ArgumentCaptor.forClass(KeyguardStateController.Callback::class.java)

        keyguardBypassController.registerOnBypassStateChangedListener(bypassListener)
        verify(keyguardStateController).addCallback(callback.capture())

        callback.value.onFaceEnrolledChanged()
        verify(bypassListener).onBypassStateChanged(anyBoolean())
    }

    @Test
    fun configDevicePostureClosed_matchState_isPostureAllowedForFaceAuth_returnTrue() {
        defaultConfigPostureClosed()

        postureControllerCallback.onPostureChanged(DEVICE_POSTURE_CLOSED)

        assertThat(keyguardBypassController.isPostureAllowedForFaceAuth()).isTrue()
    }

    @Test
    fun configDevicePostureOpen_matchState_isPostureAllowedForFaceAuth_returnTrue() {
        defaultConfigPostureOpened()

        postureControllerCallback.onPostureChanged(DEVICE_POSTURE_OPENED)

        assertThat(keyguardBypassController.isPostureAllowedForFaceAuth()).isTrue()
    }

    @Test
    fun configDevicePostureFlipped_matchState_isPostureAllowedForFaceAuth_returnTrue() {
        defaultConfigPostureFlipped()

        postureControllerCallback.onPostureChanged(DEVICE_POSTURE_FLIPPED)

        assertThat(keyguardBypassController.isPostureAllowedForFaceAuth()).isTrue()
    }

    @Test
    fun configDevicePostureClosed_changeOpened_isPostureAllowedForFaceAuth_returnFalse() {
        defaultConfigPostureClosed()

        postureControllerCallback.onPostureChanged(DEVICE_POSTURE_OPENED)

        assertThat(keyguardBypassController.isPostureAllowedForFaceAuth()).isFalse()
    }

    @Test
    fun configDevicePostureClosed_changeFlipped_isPostureAllowedForFaceAuth_returnFalse() {
        defaultConfigPostureClosed()

        postureControllerCallback.onPostureChanged(DEVICE_POSTURE_FLIPPED)

        assertThat(keyguardBypassController.isPostureAllowedForFaceAuth()).isFalse()
    }

    @Test
    fun configDevicePostureOpened_changeClosed_isPostureAllowedForFaceAuth_returnFalse() {
        defaultConfigPostureOpened()

        postureControllerCallback.onPostureChanged(DEVICE_POSTURE_CLOSED)

        assertThat(keyguardBypassController.isPostureAllowedForFaceAuth()).isFalse()
    }

    @Test
    fun configDevicePostureOpened_changeFlipped_isPostureAllowedForFaceAuth_returnFalse() {
        defaultConfigPostureOpened()

        postureControllerCallback.onPostureChanged(DEVICE_POSTURE_FLIPPED)

        assertThat(keyguardBypassController.isPostureAllowedForFaceAuth()).isFalse()
    }

    @Test
    fun configDevicePostureFlipped_changeClosed_isPostureAllowedForFaceAuth_returnFalse() {
        defaultConfigPostureFlipped()

        postureControllerCallback.onPostureChanged(DEVICE_POSTURE_CLOSED)

        assertThat(keyguardBypassController.isPostureAllowedForFaceAuth()).isFalse()
    }

    @Test
    fun configDevicePostureFlipped_changeOpened_isPostureAllowedForFaceAuth_returnFalse() {
        defaultConfigPostureFlipped()

        postureControllerCallback.onPostureChanged(DEVICE_POSTURE_OPENED)

        assertThat(keyguardBypassController.isPostureAllowedForFaceAuth()).isFalse()
    }

    @Test
    fun defaultConfigPostureClosed_canOverrideByPassAlways_shouldReturnFalse() {
        context.orCreateTestableResources.addOverride(
            R.integer.config_face_unlock_bypass_override,
            1 /* FACE_UNLOCK_BYPASS_ALWAYS */
        )

        defaultConfigPostureClosed()

        postureControllerCallback.onPostureChanged(DEVICE_POSTURE_OPENED)

        assertThat(keyguardBypassController.bypassEnabled).isFalse()
    }

    @Test
    fun defaultConfigPostureUnknown_canNotOverrideByPassAlways_shouldReturnTrue() {
        context.orCreateTestableResources.addOverride(
            R.integer.config_face_unlock_bypass_override,
            1 /* FACE_UNLOCK_BYPASS_ALWAYS */
        )

        defaultConfigPostureUnknown()

        assertThat(keyguardBypassController.bypassEnabled).isTrue()
    }

    @Test
    fun defaultConfigPostureUnknown_canNotOverrideByPassNever_shouldReturnFalse() {
        context.orCreateTestableResources.addOverride(
            R.integer.config_face_unlock_bypass_override,
            2 /* FACE_UNLOCK_BYPASS_NEVER */
        )

        defaultConfigPostureUnknown()

        assertThat(keyguardBypassController.bypassEnabled).isFalse()
    }

    @OptIn(ExperimentalCoroutinesApi::class)
    @Test
    fun qsExpansion_updates() {
        testScope.runTest {
            initKeyguardBypassController()
            assertThat(keyguardBypassController.qsExpanded).isFalse()
            val job = keyguardBypassController.listenForQsExpandedChange()
            shadeTestUtil.setQsExpansion(0.5f)
            runCurrent()

            assertThat(keyguardBypassController.qsExpanded).isTrue()

            shadeTestUtil.setQsExpansion(0f)
            runCurrent()

            assertThat(keyguardBypassController.qsExpanded).isFalse()

            job.cancel()
        }
    }

    @Test
    fun canBypass_bypassDisabled() {
        context.orCreateTestableResources.addOverride(
            R.integer.config_face_unlock_bypass_override,
            2 /* FACE_UNLOCK_BYPASS_NEVER */
        )
        initKeyguardBypassController()
        assertThat(keyguardBypassController.canBypass()).isFalse()
    }

    @Test
    fun canBypass_bypassEnabled_alternateBouncerShowing() {
        context.orCreateTestableResources.addOverride(
            R.integer.config_face_unlock_bypass_override,
            1 /* FACE_UNLOCK_BYPASS_ALWAYS */
        )
        initKeyguardBypassController()
        whenever(keyguardTransitionInteractor.getCurrentState())
            .thenReturn(KeyguardState.ALTERNATE_BOUNCER)
        assertThat(keyguardBypassController.canBypass()).isTrue()
    }
}