room = require("./room.coffee")

randomid = () ->
  alphabet = "abcdefghijklmnopqrstuvwxyz0123456789" # see the dreaded linkRe expression in Undum
  rndstr = []
  for i in [1..10]
    rndstr.push alphabet.charAt(Math.floor(Math.random() * alphabet.length))
  return rndstr.join('').toString()

###
A dialogue shortcut.
Usage:

    dialogue "Point out a thing in her purse (mildly)", "start", "mild", """
        Point out a thing in her purse (mildly)
      """, "character.sandbox.mild = true"
###
dialogue = (title, startTag, endTag, text, effect) ->
  retval = room(randomid(), {
    optionText: title
    dsc: text
    clear: false # backlog is useful in dialogues
    choices: "#"+endTag
  })
  if typeof(startTag) == "string"
    retval.tags = [startTag]
  else if typeof(startTag) == "object"
    retval.tags = startTag
  if effect?
    retval.before = (character, system) ->
      eval(effect)
  return retval

module.exports = dialogue