/*
 * 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.settings.licenses

import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import com.kgurgul.cpuinfo.domain.model.License
import com.kgurgul.cpuinfo.domain.result.GetLicensesInteractor
import kotlinx.collections.immutable.ImmutableList
import kotlinx.collections.immutable.persistentListOf
import kotlinx.collections.immutable.toImmutableList
import kotlinx.coroutines.flow.SharingStarted
import kotlinx.coroutines.flow.flow
import kotlinx.coroutines.flow.stateIn

class LicensesViewModel(getLicensesInteractor: GetLicensesInteractor) : ViewModel() {

    val uiStateFlow =
        flow {
                emit(UiState(isLoading = true))
                getLicensesInteractor(Unit)
                    .onSuccess { emit(UiState(isLoading = false, licenses = it.toImmutableList())) }
                    .onFailure { emit(UiState(isLoading = false, isError = true)) }
            }
            .stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), UiState())

    data class UiState(
        val isLoading: Boolean = false,
        val isError: Boolean = false,
        val licenses: ImmutableList<License> = persistentListOf(),
    )
}
