import
  preserves

type
  StateKind* {.pure.} = enum
    `started`, `ready`, `failed`, `complete`, `userDefined`
  `State`* {.preservesOr.} = object
    case orKind*: StateKind
    of StateKind.`started`:
        `started`* {.preservesLiteral: "started".}: bool

    of StateKind.`ready`:
        `ready`* {.preservesLiteral: "ready".}: bool

    of StateKind.`failed`:
        `failed`* {.preservesLiteral: "failed".}: bool

    of StateKind.`complete`:
        `complete`* {.preservesLiteral: "complete".}: bool

    of StateKind.`userDefined`:
        `userdefined`*: Value

  
  ServiceObject* {.preservesRecord: "service-object".} = object
    `serviceName`*: Value
    `object`*: Value

  RequireService* {.preservesRecord: "require-service".} = object
    `serviceName`*: Value

  RestartService* {.preservesRecord: "restart-service".} = object
    `serviceName`*: Value

  RunService* {.preservesRecord: "run-service".} = object
    `serviceName`*: Value

  ServiceState* {.preservesRecord: "service-state".} = object
    `serviceName`*: Value
    `state`*: State

  ServiceDependency* {.preservesRecord: "depends-on".} = object
    `depender`*: Value
    `dependee`*: ServiceState

proc `$`*(x: State | ServiceObject | RequireService | RestartService |
    RunService |
    ServiceState |
    ServiceDependency): string =
  `$`(toPreserves(x))

proc encode*(x: State | ServiceObject | RequireService | RestartService |
    RunService |
    ServiceState |
    ServiceDependency): seq[byte] =
  encode(toPreserves(x))