/*

 * AboutOss is an utility library to retrieve and display

 * opensource licenses in Android applications.

 *

 * Copyright (C) 2023-2025 by Frederic-Charles Barthelery.

 *

 * This file is part of AboutOss.

 *

 * AboutOss is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * AboutOss is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with AboutOss.  If not, see <http://www.gnu.org/licenses/>.

 */

package com.geekorum.aboutoss.ui.common

import androidx.lifecycle.ViewModel

import androidx.lifecycle.viewModelScope

import com.geekorum.aboutoss.core.LicenseInfoRepository

import kotlinx.coroutines.flow.SharingStarted

import kotlinx.coroutines.flow.flow

import kotlinx.coroutines.flow.map

import kotlinx.coroutines.flow.stateIn

/**

 * Manage opensource license information and allow to display them in an UI

 */

class OpenSourceLicensesViewModel(

    private val licenseInfoRepository: LicenseInfoRepository,

) : ViewModel() {

    private val licensesInfo = flow {

        emit(licenseInfoRepository.getLicensesInfo())

    }.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), emptyMap())

    /**

     * List of dependencies

     */

    val dependenciesList = licensesInfo.map { licensesInfo ->

        licensesInfo.keys.sortedBy { it.lowercase() }

    }

    /**

     * Obtain the license for [dependency]

     */

    fun getLicenseDependency(dependency: String) = flow {

        emit(licenseInfoRepository.getLicenseFor(dependency))

    }

    companion object

}