message

-- Advanced Messaging Service with WhatsApp-like style in ComputerCraft

rednet.open("top")

local function sendMessage(recipient, message, sender)
  rednet.send(recipient, {message = message, sender = sender, timestamp = os.time(), edited = false, deleted = false})
end

local function receiveMessages()
  while true do
    local _, messageData = rednet.receive()
    printMessage(messageData)
  end
end

local function printMessage(messageData)
  local sender = messageData.sender or "Unknown"
  local message = messageData.message or ""
  local timestamp = os.date("%H:%M:%S", messageData.timestamp or os.time())
  local edited = messageData.edited
  local deleted = messageData.deleted
  local messageId = messageData.messageId or ""

  print("ID: " .. messageId .. " " .. timestamp .. " " .. sender .. ": " .. message)

  if deleted then
    print("  [Message deleted]")
  elseif edited then
    print("  [Message edited]")
  end
end

local function editMessage(messageId, newMessage)
  sendMessage(os.computerID, "EditMessage", "System")  -- Notify about the edit
  sleep(0.5)  -- Wait for notification to be received by other computers
  rednet.send(os.computerID, {editMessageId = messageId, newMessage = newMessage}, "System")
end

local function deleteMessage(messageId)
  sendMessage(os.computerID, "DeleteMessage", "System")  -- Notify about the deletion
  sleep(0.5)  -- Wait for notification to be received by other computers
  rednet.send(os.computerID, {deleteMessageId = messageId}, "System")
end

parallel.waitForAny(receiveMessages)

-- Example usage:
-- sendMessage(2, "Hello, this is a test message.", os.computerID)
-- editMessage(1, "This message has been edited.")
-- deleteMessage(1)