/*
 * Copyright (C) 2025 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.privatespace.filetransfer

import android.content.Context
import android.multiuser.Flags
import android.platform.test.annotations.RequiresFlagsEnabled
import android.platform.test.flag.junit.CheckFlagsRule
import android.platform.test.flag.junit.DeviceFlagsValueProvider
import androidx.test.ext.junit.runners.AndroidJUnit4
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.Mock
import org.mockito.Mockito.never
import org.mockito.Mockito.verify
import org.mockito.MockitoAnnotations
import org.mockito.kotlin.whenever

@RequiresFlagsEnabled(Flags.FLAG_ENABLE_MOVING_CONTENT_INTO_PRIVATE_SPACE)
@RunWith(AndroidJUnit4::class)
class FileTransferStateCheckerTest {
    @get:Rule val checkFlagsRule: CheckFlagsRule = DeviceFlagsValueProvider.createCheckFlagsRule()

    private lateinit var fileTransferStateChecker: FileTransferStateChecker

    @Mock private lateinit var notificationsHelper: NotificationsHelper

    @Mock private lateinit var fileTransferStateRepository: FakeFileTransferStateRepository

    @Mock private lateinit var context: Context

    private var closeable: AutoCloseable? = null

    @Before
    fun setUp() {
        closeable = MockitoAnnotations.openMocks(this)
        fileTransferStateChecker =
            FileTransferStateChecker(fileTransferStateRepository, notificationsHelper)
    }

    @After
    fun tearDown() {
        closeable?.close()
    }

    @Test
    fun testCheckTransferState_shouldNotifyUser() = runTest {
        val testState = TransferState(keepOriginal = true, transferInProgress = true)
        whenever(fileTransferStateRepository.getTransferState(context)).thenReturn(testState)

        fileTransferStateChecker.postBootTransferStateCheck(context)

        verify(notificationsHelper).displayInterruptedTransferNotification(testState.keepOriginal)
        verify(fileTransferStateRepository)
            .saveState(context, testState.keepOriginal, transferInProgress = false)
    }

    @Test
    fun testCheckTransferState_shouldNotNotifyUser() = runTest {
        val testState = TransferState(keepOriginal = true, transferInProgress = false)
        whenever(fileTransferStateRepository.getTransferState(context)).thenReturn(testState)

        fileTransferStateChecker.postBootTransferStateCheck(context)

        verify(notificationsHelper, never()).createNotificationChannel()
        verify(notificationsHelper, never())
            .displayInterruptedTransferNotification(testState.keepOriginal)
        verify(fileTransferStateRepository, never())
            .saveState(context, testState.keepOriginal, transferInProgress = false)
    }
}