import java.time.Instant
import kotlin.random.Random

// TODO: Add throws for auth message
/**
 * A translator for 9P messages, similar to [Connection], which encapsulates bare 9P messages into a set of methods more
 * similar to those provided by operating systems.
 *
 * Upon instantiation, this class initializes the 9P connection using [ProtocolTranslator.version],
 * [ProtocolTranslator.auth], and [ProtocolTranslator.attach], up to the point in which the 9P connection can be used
 * for any operation on remote files.
 *
 * @param pt An implementation for bare 9P messages.
 * @throws except.InvalidMessageException if the received message is invalid.
 * @throws except.RErrorException if the received message is an R-error message.
 * @throws except.MsizeValueTooBigException if the received `msize` value is bigger than what the client requested.
 * @throws except.UnknownVersionException if the version negotiation failed.
 */
class ConnectionOSLike(val pt: ProtocolTranslator, val initData: ProtocolInitData) {
    init {
        val afid = Random(Instant.now().epochSecond).nextInt().toUInt()
        this.pt.version(this.initData.msize, this.initData.version)
        this.pt.auth(afid, this.initData.uname, this.initData.aname)
        val qid = this.pt.attach(this.initData.rootFid, afid, this.initData.uname, this.initData.aname)
    }

    // TODO: add methods
}