/*
 * Copyright 2024 Mifos Initiative
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See https://github.com/openMF/mobile-wallet/blob/master/LICENSE.md
 */
package org.mifospay.core.ui.utils

import androidx.compose.runtime.Composable
import androidx.compose.runtime.DisposableEffect
import androidx.compose.runtime.rememberUpdatedState
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.LifecycleEventObserver
import androidx.lifecycle.LifecycleOwner
import androidx.lifecycle.compose.LocalLifecycleOwner

/**
 * Creates a side effect to observe lifecycle events.
 */
@Composable
fun LivecycleEventEffect(
    onEvent: (owner: LifecycleOwner, event: Lifecycle.Event) -> Unit,
) {
    val eventHandler = rememberUpdatedState(onEvent)
    val lifecycleOwner = rememberUpdatedState(LocalLifecycleOwner.current)

    DisposableEffect(lifecycleOwner.value) {
        val lifecycle = lifecycleOwner.value.lifecycle
        val observer = LifecycleEventObserver { owner, event ->
            eventHandler.value(owner, event)
        }

        lifecycle.addObserver(observer)
        onDispose {
            lifecycle.removeObserver(observer)
        }
    }
}
