# Cycling interface.
# Rooms: cycle through this.cycle_gallery
# Objects: cycle through this.cycle_gallery

cyclelink = (content) ->
  return "<a href='./_replacer_cyclewriter' class='cycle' id='cyclewriter'>#{content}</a>"

cycle = (responses, name, character) ->
  if typeof responses == "function"
    responses = responses()
  character.sandbox.cycle_index ?= [] # initialize with empty array
  character.sandbox.cycle_index[name] ?= 0 # initialize with 0
  response = responses[character.sandbox.cycle_index[name]]
  character.sandbox.cycle_index[name]++
  if character.sandbox.cycle_index[name] == responses.length
    character.sandbox.cycle_index[name] = 0
  return cyclelink(response)

module.exports = cycle