-- |Event Data Type
module Helic.Data.Event where

import qualified Chronos
import Polysemy.Chronos (ChronosTime)
import qualified Polysemy.Time as Time

import Helic.Data.AgentId (AgentId)
import Helic.Data.InstanceName (InstanceName)

-- |The central data type representing a clipboard event.
data Event =
  Event {
    -- |The host from which the event originated.
    sender :: InstanceName,
    -- |The entity that caused the event.
    source :: AgentId,
    -- |Timestamp.
    time :: Chronos.Time,
    -- |Payload.
    content :: Text
  }
  deriving stock (Eq, Show)

defaultJson ''Event

-- |Construct an event for the current host and time.
now ::
  Members [ChronosTime, Reader InstanceName] r =>
  AgentId ->
  Text ->
  Sem r Event
now source content = do
  sender <- ask
  time <- Time.now
  pure Event {..}