/*
 * 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.settings.network.ethernet

import android.content.Context
import android.content.ContextWrapper
import android.net.EthernetManager
import android.net.EthernetNetworkUpdateRequest
import android.net.IpConfiguration
import androidx.lifecycle.Lifecycle
import androidx.test.core.app.ApplicationProvider
import androidx.test.ext.junit.runners.AndroidJUnit4
import com.android.settings.network.ethernet.EthernetDialog.EthernetDialogListener
import org.junit.Assert.assertEquals
import org.junit.Assert.assertTrue
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.ArgumentCaptor
import org.mockito.Mockito.verify
import org.mockito.Mockito.`when` as whenever
import org.mockito.kotlin.eq
import org.mockito.kotlin.mock

@RunWith(AndroidJUnit4::class)
class EthernetInterfaceDetailsControllerTest {
    private val ethernetInterfaceDetailsFragment = EthernetInterfaceDetailsFragment()
    private val lifecycle = mock<Lifecycle>()

    private val mockEthernetManager = mock<EthernetManager>()

    private val listener =
        object : EthernetDialogListener {
            override fun onSubmit(dialog: EthernetDialog) {}
        }

    private val context: Context =
        object : ContextWrapper(ApplicationProvider.getApplicationContext()) {
            override fun getSystemService(name: String): Any? =
                when (name) {
                    Context.ETHERNET_SERVICE -> mockEthernetManager
                    else -> super.getSystemService(name)
                }
        }

    private val ethernetInterfaceDetailsController =
        EthernetInterfaceDetailsController(
            context,
            ethernetInterfaceDetailsFragment,
            "eth0",
            lifecycle,
        )

    @Test
    fun isAvailable_ShouldReturnTrue() {
        assertTrue(ethernetInterfaceDetailsController.isAvailable())
    }

    @Test
    fun getPreferencKey_shouldReturnExpectedKey() {
        assertEquals(ethernetInterfaceDetailsController.getPreferenceKey(), "ethernet_details")
    }

    @Test
    fun submitEthernetDialog_shouldCallEthernetManager() {
        val ethernetDialog = mock<EthernetDialog>()
        val ethernetDialogController = mock<EthernetDialogController>()

        val ipConfiguration = IpConfiguration()
        ipConfiguration.setIpAssignment(IpConfiguration.IpAssignment.STATIC)

        whenever(ethernetDialog.getController()).thenReturn(ethernetDialogController)
        whenever(ethernetDialogController.getConfig()).thenReturn(ipConfiguration)

        val updateRequestCaptor = ArgumentCaptor.forClass(EthernetNetworkUpdateRequest::class.java)

        ethernetInterfaceDetailsController.onSubmit(ethernetDialog)

        verify(mockEthernetManager)
            .updateConfiguration(eq("eth0"), updateRequestCaptor.capture(), eq(null), eq(null))

        val updateRequest = updateRequestCaptor.value
        assertEquals(
            updateRequest.getIpConfiguration()?.getIpAssignment(),
            IpConfiguration.IpAssignment.STATIC,
        )
    }
}