/*

 * 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.core.licensee

import kotlinx.coroutines.CoroutineDispatcher

import kotlinx.coroutines.Dispatchers

import okio.Buffer

/**

 * Create a [com.geekorum.aboutoss.core.licensee.LicenseeLicenseInfoRepository]

 */

fun LicenseeLicenseInfoRepository(

    licenseeResourcePath: String = "app/cash/licensee/artifacts.json",

    mainCoroutineDispatcher: CoroutineDispatcher = Dispatchers.Main,

    ioCoroutineDispatcher: CoroutineDispatcher = Dispatchers.IO,

): LicenseeLicenseInfoRepository {

    return LicenseeLicenseInfoRepository(

        produceInput = {

            val buffer = Buffer()

            buffer.write(readResources(licenseeResourcePath))

            buffer

        },

        mainCoroutineDispatcher = mainCoroutineDispatcher,

        ioCoroutineDispatcher = ioCoroutineDispatcher

    )

}

private fun readResources(path: String): ByteArray {

    val classLoader = LicenseeLicenseInfoRepository::class.java.classLoader

    val resource = classLoader.getResourceAsStream(path)

    return resource.use { input -> input.readBytes() }

}