/*
 * 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.fuelgauge.batteryusage;

import android.content.Context;
import android.util.ArrayMap;

import androidx.annotation.VisibleForTesting;

import com.android.settings.fuelgauge.BatteryOptimizeUtils;
import com.android.settingslib.fuelgauge.PowerAllowlistBackend;

import java.util.Map;

/** A cache to log battery optimization mode of an app */
final class BatteryOptimizationModeCache {
    private static final String TAG = "BatteryOptimizationModeCache";

    @VisibleForTesting final Map<Integer, BatteryOptimizationMode> mBatteryOptimizeModeCacheMap;

    private final Context mContext;

    BatteryOptimizationModeCache(final Context context) {
        mContext = context;
        mBatteryOptimizeModeCacheMap = new ArrayMap<>();
        PowerAllowlistBackend.getInstance(mContext).refreshList();
    }

    BatteryOptimizationMode getBatteryOptimizeMode(final int uid, final String packageName) {
        if (!mBatteryOptimizeModeCacheMap.containsKey(uid)) {
            final BatteryOptimizeUtils batteryOptimizeUtils =
                    new BatteryOptimizeUtils(mContext, uid, packageName);
            mBatteryOptimizeModeCacheMap.put(
                    uid,
                    BatteryOptimizationMode.forNumber(
                            batteryOptimizeUtils.getAppOptimizationMode(/* refreshList= */ false)));
        }
        return mBatteryOptimizeModeCacheMap.get(uid);
    }
}