/*
 * Copyright (C) 2022 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.util.Log;

import com.google.common.collect.ImmutableList;

import java.util.List;

/** Wraps the battery timestamp and level data used for battery usage chart. */
public final class BatteryLevelData {

    /** A container for the battery timestamp and level data. */
    public static final class PeriodBatteryLevelData {
        private static final String TAG = "PeriodBatteryLevelData";

        private final ImmutableList<Long> mTimestamps;
        private final ImmutableList<Integer> mLevels;

        public PeriodBatteryLevelData(List<Long> timestamps, List<Integer> levels) {
            if (timestamps.size() != levels.size()) {
                Log.e(TAG, "Different sizes of timestamps and levels. Timestamp: "
                        + timestamps.size() + ", Level: " + levels.size());
                mTimestamps = ImmutableList.of();
                mLevels = ImmutableList.of();
                return;
            }
            mTimestamps = ImmutableList.copyOf(timestamps);
            mLevels = ImmutableList.copyOf(levels);
        }

        public ImmutableList<Long> getTimestamps() {
            return mTimestamps;
        }

        public ImmutableList<Integer> getLevels() {
            return mLevels;
        }
    }

    private final PeriodBatteryLevelData mDailyBatteryLevels;
    private final ImmutableList<PeriodBatteryLevelData> mHourlyBatteryLevelsPerDay;

    public BatteryLevelData(
            PeriodBatteryLevelData dailyBatteryLevels,
            List<PeriodBatteryLevelData> hourlyBatteryLevelsPerDay) {
        mDailyBatteryLevels = dailyBatteryLevels;
        mHourlyBatteryLevelsPerDay = ImmutableList.copyOf(hourlyBatteryLevelsPerDay);
    }

    public PeriodBatteryLevelData getDailyBatteryLevels() {
        return mDailyBatteryLevels;
    }

    public ImmutableList<PeriodBatteryLevelData> getHourlyBatteryLevelsPerDay() {
        return mHourlyBatteryLevelsPerDay;
    }
}