src/main/kotlin/moe/nea/firmament/util/json/InstantAsLongSerializer.kt


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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.json

import kotlinx.datetime.Instant
import kotlinx.serialization.KSerializer
import kotlinx.serialization.descriptors.PrimitiveKind
import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
import kotlinx.serialization.descriptors.SerialDescriptor
import kotlinx.serialization.encoding.Decoder
import kotlinx.serialization.encoding.Encoder

object InstantAsLongSerializer : KSerializer<Instant> {
    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("InstantAsLongSerializer", PrimitiveKind.LONG)
    override fun deserialize(decoder: Decoder): Instant {
        return Instant.fromEpochMilliseconds(decoder.decodeLong())
    }

    override fun serialize(encoder: Encoder, value: Instant) {
        encoder.encodeLong(value.toEpochMilliseconds())
    }
}