/*
 * 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.accessibility

import android.content.Context
import android.os.Vibrator
import androidx.fragment.app.Fragment
import com.android.settings.R
import com.android.settings.flags.Flags
import com.android.settingslib.metadata.PreferenceAvailabilityProvider
import com.android.settingslib.metadata.ProvidePreferenceScreen
import com.android.settingslib.metadata.preferenceHierarchy
import com.android.settingslib.preference.PreferenceScreenCreator

/**
 * Accessibility settings for vibration.
 */
// LINT.IfChange
@ProvidePreferenceScreen
class VibrationScreen : PreferenceScreenCreator, PreferenceAvailabilityProvider {
    override val key: String
        get() = KEY

    override val title: Int
        get() = R.string.accessibility_vibration_settings_title

    override val keywords: Int
        get() = R.string.keywords_vibration

    override fun isAvailable(context: Context) =
        context.isVibratorAvailable() && context.getSupportedVibrationIntensityLevels() == 1

    override fun isFlagEnabled(context: Context): Boolean = Flags.catalystVibrationIntensityScreen()

    override fun hasCompleteHierarchy() = false

    override fun fragmentClass(): Class<out Fragment>? = VibrationSettings::class.java

    override fun getPreferenceHierarchy(context: Context) = preferenceHierarchy(this) {
        +VibrationMainSwitchPreference()
    }

    companion object {
        const val KEY = "vibration_screen"
    }
}

/** Returns true if the device has a system vibrator, false otherwise. */
fun Context.isVibratorAvailable(): Boolean =
    getSystemService(Vibrator::class.java).hasVibrator()

/** Returns the number of vibration intensity levels supported by this device. */
fun Context.getSupportedVibrationIntensityLevels(): Int =
    resources.getInteger(R.integer.config_vibration_supported_intensity_levels)

// LINT.ThenChange(VibrationPreferenceController.java)