syndicate-nim/src/syndicate/protocols/secureChatProtocol.nim

import
  std/typetraits, preserves

type
  UserId* = BiggestInt
  NickConflict* {.preservesRecord: "nickConflict".} = object
  
  NickClaimResponseKind* {.pure.} = enum
    `true`, `NickConflict`
  `NickClaimResponse`* {.preservesOr.} = object
    case orKind*: NickClaimResponseKind
    of NickClaimResponseKind.`true`:
        `true`* {.preservesLiteral: "#t".}: bool

    of NickClaimResponseKind.`NickConflict`:
        `nickconflict`*: NickConflict

  
  Join*[Cap] {.preservesRecord: "joinedUser".} = object
    `uid`*: UserId
    `handle`*: Cap

  SessionKind* {.pure.} = enum
    `observeUsers`, `observeSpeech`, `NickClaim`, `Says`
  SessionObserveUsers*[Cap] {.preservesRecord: "Observe".} = object
    `field0`* {.preservesLiteral: "user".}: tuple[]
    `observer`*: Cap

  SessionObserveSpeech*[Cap] {.preservesRecord: "Observe".} = object
    `field0`* {.preservesLiteral: "says".}: tuple[]
    `observer`*: Cap

  `Session`*[Cap] {.preservesOr.} = object
    case orKind*: SessionKind
    of SessionKind.`observeUsers`:
        `observeusers`*: SessionObserveUsers[Cap]

    of SessionKind.`observeSpeech`:
        `observespeech`*: SessionObserveSpeech[Cap]

    of SessionKind.`NickClaim`:
        `nickclaim`*: NickClaim[Cap]

    of SessionKind.`Says`:
        `says`*: Says

  
  UserInfo* {.preservesRecord: "user".} = object
    `uid`*: UserId
    `name`*: string

  NickClaim*[Cap] {.preservesRecord: "claimNick".} = object
    `uid`*: UserId
    `name`*: string
    `k`*: Cap

  Says* {.preservesRecord: "says".} = object
    `who`*: UserId
    `what`*: string

proc `$`*[Cap](x: Join[Cap] | Session[Cap] | NickClaim[Cap]): string =
  `$`(toPreserve(x, Cap))

proc encode*[Cap](x: Join[Cap] | Session[Cap] | NickClaim[Cap]): seq[byte] =
  encode(toPreserve(x, Cap))

proc `$`*(x: UserId | NickConflict | NickClaimResponse | UserInfo | Says): string =
  `$`(toPreserve(x))

proc encode*(x: UserId | NickConflict | NickClaimResponse | UserInfo | Says): seq[
    byte] =
  encode(toPreserve(x))