package net.mamoe.mirai.qqandroid.network.protocol.packet.chat.image

import kotlinx.io.core.ByteReadPacket
import kotlinx.io.core.writeFully
import kotlinx.serialization.protobuf.ProtoBuf
import net.mamoe.mirai.data.Packet
import net.mamoe.mirai.qqandroid.QQAndroidBot
import net.mamoe.mirai.qqandroid.network.QQAndroidClient
import net.mamoe.mirai.qqandroid.network.protocol.packet.OutgoingPacket
import net.mamoe.mirai.qqandroid.network.protocol.packet.PacketFactory
import net.mamoe.mirai.qqandroid.network.protocol.packet.buildLoginOutgoingPacket
import net.mamoe.mirai.qqandroid.network.protocol.packet.chat.data.Cmd0x352Packet
import net.mamoe.mirai.qqandroid.network.protocol.packet.chat.data.GetImgUrlReq
import net.mamoe.mirai.qqandroid.network.protocol.packet.writeSsoPacket

internal object ImageDownPacket : PacketFactory<ImageDownPacket.ImageDownPacketResponse>("LongConn.OffPicDown") {

    operator fun invoke(client: QQAndroidClient, req: GetImgUrlReq): OutgoingPacket {
        // TODO: 2020/1/24 测试: bodyType, subAppId
        return buildLoginOutgoingPacket(client, key = client.wLoginSigInfo.d2Key, bodyType = 1) {
            writeSsoPacket(client, subAppId = 0, commandName = commandName, sequenceId = it) {
                val data = ProtoBuf.dump(
                    Cmd0x352Packet.serializer(),
                    Cmd0x352Packet.createByImageRequest(req)
                )
                writeInt(data.size + 4)
                writeFully(data)
            }
        }
    }

    override suspend fun ByteReadPacket.decode(bot: QQAndroidBot): ImageDownPacketResponse {
        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
    }


    sealed class ImageDownPacketResponse : Packet {
        object Success : ImageDownPacketResponse()
    }


}