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/*
* SPDX-FileCopyrightText: 2023 Linnea Gräf <nea@nea.moe>
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
package moe.nea.firmament.util.data
import java.nio.file.Path
import kotlinx.serialization.KSerializer
import kotlin.io.path.exists
import kotlin.io.path.readText
import kotlin.io.path.writeText
import moe.nea.firmament.Firmament
abstract class DataHolder<T>(
val serializer: KSerializer<T>,
val name: String,
val default: () -> T
) : IDataHolder<T> {
final override var data: T
private set
init {
data = readValueOrDefault()
IDataHolder.putDataHolder(this::class, this)
}
private val file: Path get() = Firmament.CONFIG_DIR.resolve("$name.json")
protected fun readValueOrDefault(): T {
if (file.exists())
try {
return Firmament.json.decodeFromString(
serializer,
file.readText()
)
} catch (e: Exception) {/* Expecting IOException and SerializationException, but Kotlin doesn't allow multi catches*/
IDataHolder.badLoads.add(name)
Firmament.logger.error(
"Exception during loading of config file $name. This will reset this config.",
e
)
}
return default()
}
private fun writeValue(t: T) {
file.writeText(Firmament.json.encodeToString(serializer, t))
}
override fun save() {
writeValue(data)
}
override fun load() {
data = readValueOrDefault()
}
override fun markDirty() {
IDataHolder.markDirty(this::class)
}
}
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