/*
 * Copyright (C) 2022 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.settings.spa.app.appinfo

import android.content.Context
import android.content.pm.ApplicationInfo
import android.content.pm.PackageInfo
import android.content.pm.PackageManager
import androidx.compose.ui.test.assertIsDisplayed
import androidx.compose.ui.test.assertIsNotDisplayed
import androidx.compose.ui.test.junit4.createComposeRule
import androidx.compose.ui.test.onRoot
import androidx.test.core.app.ApplicationProvider
import androidx.test.ext.junit.runners.AndroidJUnit4
import com.android.dx.mockito.inline.extended.ExtendedMockito
import com.android.settingslib.applications.AppUtils
import com.android.settingslib.spa.testutils.delay
import kotlinx.coroutines.flow.MutableStateFlow
import org.junit.After
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.Mock
import org.mockito.MockitoSession
import org.mockito.Spy
import org.mockito.quality.Strictness
import org.mockito.Mockito.`when` as whenever

@RunWith(AndroidJUnit4::class)
class AppButtonsTest {
    @get:Rule
    val composeTestRule = createComposeRule()

    private lateinit var mockSession: MockitoSession

    @Spy
    private val context: Context = ApplicationProvider.getApplicationContext()

    @Mock
    private lateinit var packageInfoPresenter: PackageInfoPresenter

    @Mock
    private lateinit var packageManager: PackageManager

    @Before
    fun setUp() {
        mockSession = ExtendedMockito.mockitoSession()
            .initMocks(this)
            .mockStatic(AppUtils::class.java)
            .strictness(Strictness.LENIENT)
            .startMocking()
        whenever(packageInfoPresenter.context).thenReturn(context)
        whenever(packageInfoPresenter.packageName).thenReturn(PACKAGE_NAME)
        whenever(packageInfoPresenter.userPackageManager).thenReturn(packageManager)
        whenever(packageManager.getPackageInfo(PACKAGE_NAME, 0)).thenReturn(PACKAGE_INFO)
        whenever(AppUtils.isMainlineModule(packageManager, PACKAGE_NAME)).thenReturn(false)
    }

    @After
    fun tearDown() {
        mockSession.finishMocking()
    }

    @Test
    fun isMainlineModule_notDisplayed() {
        whenever(AppUtils.isMainlineModule(packageManager, PACKAGE_NAME)).thenReturn(true)

        setContent()

        composeTestRule.onRoot().assertIsNotDisplayed()
    }

    @Test
    fun isNormalApp_displayed() {
        setContent()

        composeTestRule.onRoot().assertIsDisplayed()
    }

    private fun setContent() {
        whenever(packageInfoPresenter.flow).thenReturn(MutableStateFlow(PACKAGE_INFO))
        composeTestRule.setContent {
            AppButtons(packageInfoPresenter)
        }

        composeTestRule.delay()
    }

    private companion object {
        const val PACKAGE_NAME = "package.name"
        val PACKAGE_INFO = PackageInfo().apply {
            applicationInfo = ApplicationInfo().apply {
                packageName = PACKAGE_NAME
            }
            packageName = PACKAGE_NAME
        }
    }
}
