/*
 * Copyright (C) 2020 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

import android.content.res.Configuration
import android.test.suitebuilder.annotation.SmallTest
import android.testing.AndroidTestingRunner
import com.android.internal.logging.MetricsLogger
import com.android.internal.logging.testing.UiEventLoggerFake
import com.android.systemui.SysuiTestCase
import com.android.systemui.dump.DumpManager
import com.android.systemui.media.MediaHost
import com.android.systemui.media.MediaHostState
import com.android.systemui.plugins.qs.QSTile
import com.android.systemui.plugins.qs.QSTileView
import com.android.systemui.qs.customize.QSCustomizerController
import com.android.systemui.qs.logging.QSLogger
import com.android.systemui.util.leak.RotationUtils
import org.junit.After
import org.junit.Before
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.ArgumentCaptor
import org.mockito.ArgumentMatchers.anyBoolean
import org.mockito.Captor
import org.mockito.Mock
import org.mockito.Mockito.`when`
import org.mockito.Mockito.any
import org.mockito.Mockito.times
import org.mockito.Mockito.verify
import org.mockito.MockitoAnnotations

@SmallTest
@RunWith(AndroidTestingRunner::class)
class QuickQSPanelControllerTest : SysuiTestCase() {

    @Mock
    private lateinit var quickQSPanel: QuickQSPanel
    @Mock
    private lateinit var qsTileHost: QSTileHost
    @Mock
    private lateinit var qsCustomizerController: QSCustomizerController
    @Mock
    private lateinit var mediaHost: MediaHost
    @Mock
    private lateinit var metricsLogger: MetricsLogger
    private val uiEventLogger = UiEventLoggerFake()
    @Mock
    private lateinit var qsLogger: QSLogger
    private val dumpManager = DumpManager()
    @Mock
    private lateinit var tile: QSTile
    @Mock
    private lateinit var tileLayout: TileLayout
    @Mock
    private lateinit var tileView: QSTileView
    @Captor
    private lateinit var captor: ArgumentCaptor<QSPanel.OnConfigurationChangedListener>

    private lateinit var controller: TestQuickQSPanelController

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

        `when`(quickQSPanel.tileLayout).thenReturn(tileLayout)
        `when`(quickQSPanel.isAttachedToWindow).thenReturn(true)
        `when`(quickQSPanel.dumpableTag).thenReturn("")
        `when`(quickQSPanel.resources).thenReturn(mContext.resources)
        `when`(qsTileHost.createTileView(any(), any(), anyBoolean())).thenReturn(tileView)

        controller = TestQuickQSPanelController(
                quickQSPanel,
                qsTileHost,
                qsCustomizerController,
                false,
                mediaHost,
                true,
                metricsLogger,
                uiEventLogger,
                qsLogger,
                dumpManager
        )

        controller.init()
    }

    @After
    fun tearDown() {
        controller.onViewDetached()
    }

    @Test
    fun testTileSublistWithFewerTiles_noCrash() {
        `when`(quickQSPanel.numQuickTiles).thenReturn(3)

        `when`(qsTileHost.tiles).thenReturn(listOf(tile, tile))

        controller.setTiles()
    }

    @Test
    fun testTileSublistWithTooManyTiles() {
        val limit = 3
        `when`(quickQSPanel.numQuickTiles).thenReturn(limit)
        `when`(qsTileHost.tiles).thenReturn(listOf(tile, tile, tile, tile))

        controller.setTiles()

        verify(quickQSPanel, times(limit)).addTile(any())
    }

    @Test
    fun testMediaExpansionUpdatedWhenConfigurationChanged() {
        // times(2) because both controller and base controller are registering their listeners
        verify(quickQSPanel, times(2)).addOnConfigurationChangedListener(captor.capture())

        // verify that media starts in the expanded state by default
        verify(mediaHost).expansion = MediaHostState.EXPANDED

        // Rotate device, verify media size updated
        controller.setRotation(RotationUtils.ROTATION_LANDSCAPE)
        captor.allValues.forEach { it.onConfigurationChange(Configuration.EMPTY) }

        verify(mediaHost).expansion = MediaHostState.COLLAPSED
    }

    class TestQuickQSPanelController(
        view: QuickQSPanel,
        qsTileHost: QSTileHost,
        qsCustomizerController: QSCustomizerController,
        usingMediaPlayer: Boolean,
        mediaHost: MediaHost,
        usingCollapsedLandscapeMedia: Boolean,
        metricsLogger: MetricsLogger,
        uiEventLogger: UiEventLoggerFake,
        qsLogger: QSLogger,
        dumpManager: DumpManager
    ) : QuickQSPanelController(view, qsTileHost, qsCustomizerController, usingMediaPlayer,
        mediaHost, usingCollapsedLandscapeMedia, metricsLogger, uiEventLogger, qsLogger,
        dumpManager) {

        private var rotation = RotationUtils.ROTATION_NONE

        @Override
        override fun getRotation(): Int = rotation

        fun setRotation(newRotation: Int) {
            rotation = newRotation
        }
    }
}