/*
 * 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.notification.modes;

import android.content.Context;
import android.service.notification.ZenDeviceEffects;

import androidx.annotation.NonNull;
import androidx.preference.Preference;
import androidx.preference.TwoStatePreference;

public class ZenModeDisplayEffectPreferenceController extends AbstractZenModePreferenceController
        implements Preference.OnPreferenceChangeListener {

    public ZenModeDisplayEffectPreferenceController(Context context, String key,
            ZenModesBackend backend) {
        super(context, key, backend);
    }

    @Override
    public void updateState(Preference preference, @NonNull ZenMode zenMode) {
        TwoStatePreference pref = (TwoStatePreference) preference;
        ZenDeviceEffects effects =  zenMode.getRule().getDeviceEffects();
        if (effects == null) {
            pref.setChecked(false);
        } else {
            switch (getPreferenceKey()) {
                case "effect_greyscale":
                    pref.setChecked(effects.shouldDisplayGrayscale());
                    break;
                case "effect_aod":
                    pref.setChecked(effects.shouldSuppressAmbientDisplay());
                    break;
                case "effect_wallpaper":
                    pref.setChecked(effects.shouldDimWallpaper());
                    break;
                case "effect_dark_theme":
                    pref.setChecked(effects.shouldUseNightMode());
                    break;
            }
        }
    }

    @Override
    public boolean onPreferenceChange(@NonNull Preference preference, Object newValue) {
        final boolean allow = (Boolean) newValue;
        return saveMode(zenMode -> {
            ZenDeviceEffects.Builder updatedEffects = new ZenDeviceEffects.Builder(
                    zenMode.getDeviceEffects());
            switch (getPreferenceKey()) {
                case "effect_greyscale":
                    updatedEffects.setShouldDisplayGrayscale(allow);
                    break;
                case "effect_aod":
                    updatedEffects.setShouldSuppressAmbientDisplay(allow);
                    break;
                case "effect_wallpaper":
                    updatedEffects.setShouldDimWallpaper(allow);
                    break;
                case "effect_dark_theme":
                    updatedEffects.setShouldUseNightMode(allow);
                    break;
            }
            zenMode.getRule().setDeviceEffects(updatedEffects.build());
            return zenMode;
        });
    }
}