/*
 * Copyright (C) 2024 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

import android.Manifest
import android.content.Context
import android.net.wifi.WifiManager
import android.provider.Settings.Secure.ADAPTIVE_CONNECTIVITY_ENABLED
import com.android.settings.R
import com.android.settingslib.datastore.KeyValueStore
import com.android.settingslib.datastore.KeyedObservableDelegate
import com.android.settingslib.datastore.SettingsSecureStore
import com.android.settingslib.datastore.SettingsStore
import com.android.settingslib.datastore.and
import com.android.settingslib.metadata.MainSwitchPreference
import com.android.settingslib.metadata.ReadWritePermit
import com.android.settingslib.metadata.SensitivityLevel

// LINT.IfChange
class AdaptiveConnectivityTogglePreference :
    MainSwitchPreference(KEY, R.string.adaptive_connectivity_main_switch_title) {

    override fun storage(context: Context): KeyValueStore =
        AdaptiveConnectivityToggleStorage(context, SettingsSecureStore.get(context))

    override fun getReadPermissions(context: Context) = SettingsSecureStore.getReadPermissions()

    override fun getWritePermissions(context: Context) =
        SettingsSecureStore.getWritePermissions() and Manifest.permission.NETWORK_SETTINGS

    override fun getReadPermit(context: Context, callingPid: Int, callingUid: Int) =
        ReadWritePermit.ALLOW

    override fun getWritePermit(
        context: Context,
        value: Boolean?,
        callingPid: Int,
        callingUid: Int,
    ) = ReadWritePermit.ALLOW

    override val sensitivityLevel
        get() = SensitivityLevel.NO_SENSITIVITY

    @Suppress("UNCHECKED_CAST")
    private class AdaptiveConnectivityToggleStorage(
        private val context: Context,
        private val settingsStore: SettingsStore,
    ) : KeyedObservableDelegate<String>(settingsStore), KeyValueStore {

        override fun contains(key: String) = settingsStore.contains(KEY)

        override fun <T : Any> getDefaultValue(key: String, valueType: Class<T>) =
            DEFAULT_VALUE as T

        override fun <T : Any> getValue(key: String, valueType: Class<T>) =
            (settingsStore.getBoolean(key) ?: DEFAULT_VALUE) as T

        override fun <T : Any> setValue(key: String, valueType: Class<T>, value: T?) {
            settingsStore.setBoolean(key, value as Boolean)
            context.getSystemService(WifiManager::class.java)?.setWifiScoringEnabled(value)
        }
    }

    companion object {
        const val KEY = ADAPTIVE_CONNECTIVITY_ENABLED
        const val DEFAULT_VALUE = true
    }
}
// LINT.ThenChange(AdaptiveConnectivityTogglePreferenceController.java)