/*
 * 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.systemui.common.usagestats.shared.model

import android.annotation.CurrentTimeMillisLong
import android.app.Activity
import com.android.systemui.util.time.SystemClock

/** Represents [Activity] lifecycle events. */
data class ActivityEventModel(
    /** Uniquely identifies an activity. */
    val instanceId: Int,
    /** The package name of the source of this event. */
    val packageName: String,
    /** The lifecycle change which this event represents. */
    val lifecycle: Lifecycle,
    /** The timestamp of the event. Defined in unix time, see [SystemClock.currentTimeMillis] */
    @CurrentTimeMillisLong val timestamp: Long,
) {
    enum class Lifecycle {
        UNKNOWN,
        RESUMED,
        PAUSED,
        STOPPED,
        DESTROYED
    }
}