/*
 * 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.settings.spa

import android.app.Activity
import android.content.ComponentName
import android.content.pm.ActivityInfo
import android.content.pm.PackageManager
import android.os.Bundle
import androidx.core.os.bundleOf
import androidx.test.ext.junit.runners.AndroidJUnit4
import com.android.settings.SettingsActivity.META_DATA_KEY_HIGHLIGHT_MENU_KEY
import com.android.settings.spa.SpaDestination.Companion.META_DATA_KEY_DESTINATION
import com.android.settings.spa.SpaDestination.Companion.getDestination
import com.google.common.truth.Truth.assertThat
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.kotlin.any
import org.mockito.kotlin.doAnswer
import org.mockito.kotlin.doReturn
import org.mockito.kotlin.eq
import org.mockito.kotlin.mock

@RunWith(AndroidJUnit4::class)
class SpaDestinationTest {
    private var activityMetadata: Bundle = bundleOf()

    private val mockPackageManager = mock<PackageManager> {
        on {
            getActivityInfo(
                eq(COMPONENT_NAME),
                any<PackageManager.ComponentInfoFlags>()
            )
        } doAnswer {
            ActivityInfo().apply { metaData = activityMetadata }
        }
    }

    private val activity = mock<Activity> {
        on { componentName } doReturn COMPONENT_NAME
        on { packageManager } doReturn mockPackageManager
    }

    @Test
    fun getDestination_noDestination_returnNull() {
        activityMetadata = bundleOf()

        val destination = activity.getDestination()

        assertThat(destination).isNull()
    }

    @Test
    fun getDestination_withoutHighlightMenuKey() {
        activityMetadata = bundleOf(META_DATA_KEY_DESTINATION to DESTINATION)

        val (destination, highlightMenuKey) = activity.getDestination()!!

        assertThat(destination).isEqualTo(DESTINATION)
        assertThat(highlightMenuKey).isNull()
    }

    @Test
    fun getDestination_withHighlightMenuKey() {
        activityMetadata = bundleOf(
            META_DATA_KEY_DESTINATION to DESTINATION,
            META_DATA_KEY_HIGHLIGHT_MENU_KEY to HIGHLIGHT_MENU_KEY,
        )

        val (destination, highlightMenuKey) = activity.getDestination()!!

        assertThat(destination).isEqualTo(DESTINATION)
        assertThat(highlightMenuKey).isEqualTo(HIGHLIGHT_MENU_KEY)
    }

    private companion object {
        const val PACKAGE_NAME = "package.name"
        const val ACTIVITY_NAME = "ActivityName"
        val COMPONENT_NAME = ComponentName(PACKAGE_NAME, ACTIVITY_NAME)
        const val DESTINATION = "Destination"
        const val HIGHLIGHT_MENU_KEY = "apps"
    }
}