package com.shr4pnel.ferretirc.net

import com.shr4pnel.ferretirc.net.messages.MessageIO
import io.github.oshai.kotlinlogging.KotlinLogging
import io.github.oshai.kotlinlogging.slf4j.logger
import io.ktor.network.sockets.Socket
import io.ktor.network.sockets.openWriteChannel
import io.ktor.utils.io.ByteWriteChannel
import io.ktor.utils.io.writeFully
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.launch
import org.slf4j.helpers.NOPLogger

class MessageWriter(socket: Socket, scope: CoroutineScope, enableLogging: Boolean = false) : MessageIO(socket, scope) {
    private lateinit var send: ByteWriteChannel
    private val logger = if (enableLogging) KotlinLogging.logger {} else KotlinLogging.logger(NOPLogger.NOP_LOGGER)

    override fun start() =
        scope.launch {
            send = socket.openWriteChannel()

            for (msg in outgoingMessages) {
                logger.debug { "Sending: ${msg.toWireIntermediate()}" }
                send.writeFully(msg.toWire())
                send.flush()
            }
        }
}