import waku/waku_core
import std/[macros, random, times]
import crypto
import blake2
import strutils

proc getTimestamp*(): Timestamp =
    result = waku_core.getNanosecondTime(getTime().toUnix())


proc hash_func*(s: string): string =
    # This should be Blake2s but it does not exist so substituting with Blake2b
    result = getBlake2b(s, 4, "")

proc bytesToHex*[T](bytes: openarray[T], lowercase: bool = false): string =
    ## Convert bytes to hex string with case option
    result = ""
    for b in bytes:
        let hex = b.toHex(2)
        result.add(if lowercase: hex.toLower() else: hex)

proc get_addr*(pubkey: PublicKey): string =
    # TODO: Needs Spec
    result = hash_func(pubkey.bytes().bytesToHex())

proc toBytes*(s: string): seq[byte] =
    result = cast[seq[byte]](s)

proc toUtfString*(b: seq[byte]): string =
    result = cast[string](b)

macro panic*(reason: string): untyped =
    result = quote do:
        let pos = instantiationInfo()
        echo `reason` & " ($1:$2)" % [
          pos.filename, $pos.line]
        echo "traceback:\n", getStackTrace()
        quit(1)