/*
* 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 androidx.compose.runtime.Composable
import androidx.compose.runtime.remember
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.res.stringResource
import androidx.lifecycle.compose.ExperimentalLifecycleComposeApi
import androidx.lifecycle.compose.collectAsStateWithLifecycle
import com.android.settings.R
import com.android.settings.applications.appinfo.AppInfoDashboardFragment
import com.android.settings.notification.app.AppNotificationSettings
import com.android.settings.spa.notification.AppNotificationRepository
import com.android.settings.spa.notification.IAppNotificationRepository
import com.android.settingslib.spa.framework.compose.rememberContext
import com.android.settingslib.spa.framework.compose.stateOf
import com.android.settingslib.spa.widget.preference.Preference
import com.android.settingslib.spa.widget.preference.PreferenceModel
import com.android.settingslib.spaprivileged.model.app.installed
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.flow.flow
import kotlinx.coroutines.flow.flowOn

@OptIn(ExperimentalLifecycleComposeApi::class)
@Composable
fun AppNotificationPreference(
    app: ApplicationInfo,
    repository: IAppNotificationRepository = rememberContext(::AppNotificationRepository),
) {
    val context = LocalContext.current
    val summaryFlow = remember(app) {
        flow {
            emit(repository.getNotificationSummary(app))
        }.flowOn(Dispatchers.IO)
    }
    Preference(object : PreferenceModel {
        override val title = stringResource(R.string.notifications_label)
        override val summary = summaryFlow.collectAsStateWithLifecycle(
            initialValue = stringResource(R.string.summary_placeholder)
        )
        override val enabled = stateOf(app.installed)
        override val onClick = { navigateToAppNotificationSettings(context, app) }
    })
}

private fun navigateToAppNotificationSettings(context: Context, app: ApplicationInfo) {
    AppInfoDashboardFragment.startAppInfoFragment(
        AppNotificationSettings::class.java,
        app,
        context,
        AppInfoSettingsProvider.METRICS_CATEGORY,
    )
}