/*
 * Copyright KG Soft
 *
 * 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.kgurgul.cpuinfo.features.information.ram

import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import com.kgurgul.cpuinfo.domain.model.RamData
import com.kgurgul.cpuinfo.domain.observable.RamDataObservable
import com.kgurgul.cpuinfo.domain.observe
import kotlinx.coroutines.flow.SharingStarted
import kotlinx.coroutines.flow.distinctUntilChanged
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.stateIn

class RamInfoViewModel(ramDataObservable: RamDataObservable) : ViewModel() {

    val uiStateFlow =
        ramDataObservable
            .observe()
            .distinctUntilChanged()
            .map { UiState(isInitializing = false, ramData = it) }
            .stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), UiState())

    data class UiState(val isInitializing: Boolean = true, val ramData: RamData? = null)
}
