/*
 * Copyright (C) 2019 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 static com.android.settings.accessibility.AccessibilityUtil.State.OFF;
import static com.android.settings.accessibility.AccessibilityUtil.State.ON;

import android.content.Context;
import android.content.res.Configuration;
import android.provider.Settings;
import android.view.accessibility.Flags;

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

import com.android.settings.R;
import com.android.settings.core.TogglePreferenceController;

/** A toggle preference controller for force invert (force dark). */
public class ToggleForceInvertPreferenceController extends TogglePreferenceController {

    public ToggleForceInvertPreferenceController(Context context, String preferenceKey) {
        super(context, preferenceKey);
    }

    @Override
    public boolean isChecked() {
        return Settings.Secure.getInt(mContext.getContentResolver(),
                Settings.Secure.ACCESSIBILITY_FORCE_INVERT_COLOR_ENABLED, OFF) != OFF;
    }

    @Override
    public boolean setChecked(boolean isChecked) {
        return Settings.Secure.putInt(mContext.getContentResolver(),
                Settings.Secure.ACCESSIBILITY_FORCE_INVERT_COLOR_ENABLED, isChecked ? ON : OFF);
    }

    @Override
    public void updateState(@NonNull Preference preference) {
        super.updateState(preference);
        final boolean isDarkModeActivated = (mContext.getResources().getConfiguration().uiMode
                & Configuration.UI_MODE_NIGHT_YES) != 0;
        preference.setEnabled(isDarkModeActivated);
    }

    @Override
    public int getAvailabilityStatus() {
        return Flags.forceInvertColor() ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
    }

    @Override
    public int getSliceHighlightMenuRes() {
        return R.string.menu_key_accessibility;
    }
}