/*
 * 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.systemui.qs.tiles.dialog

import android.content.Intent
import android.provider.Settings
import com.android.systemui.lifecycle.ExclusiveActivatable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.setValue
import com.android.systemui.plugins.qs.TileDetailsViewModel
import com.android.systemui.qs.tiles.base.domain.actions.QSTileIntentUserInputHandler
import com.android.systemui.volume.panel.ui.viewmodel.VolumePanelViewModel
import dagger.assisted.AssistedFactory
import dagger.assisted.AssistedInject
import kotlinx.coroutines.awaitCancellation
import kotlinx.coroutines.coroutineScope
import kotlinx.coroutines.launch

class AudioDetailsViewModel
@AssistedInject
constructor(
    private val qsTileIntentUserActionHandler: QSTileIntentUserInputHandler,
    private val volumePanelViewModelFactory: VolumePanelViewModel.Factory,
) : TileDetailsViewModel, ExclusiveActivatable() {
    // Controls the current content that should be displayed
    var contentViewModel: ContentViewModel? by mutableStateOf(null)

    sealed interface ContentViewModel {
        class DefaultPageViewModel(val viewModel: VolumePanelViewModel) : ContentViewModel

        class SwitcherPageViewModel : ContentViewModel
    }

    override val title: String
        get() = "Volume"

    override val subTitle: String
        get() = ""

    override fun clickOnSettingsButton() {
        qsTileIntentUserActionHandler.handle(
            /* expandable= */ null,
            Intent(Settings.ACTION_SOUND_SETTINGS),
        )
    }

    override suspend fun onActivated(): Nothing {
        coroutineScope {
            launch {
                contentViewModel =
                    ContentViewModel.DefaultPageViewModel(volumePanelViewModelFactory.create(this))
            }
        }
        awaitCancellation()
    }

    @AssistedFactory
    fun interface Factory {
        fun create(): AudioDetailsViewModel
    }
}