#!/usr/bin/ruby
require "aitask.rb"

class TaskPriceID < ElAITask
  def desire()
    return 0 # if (not inshop) or (shk is angry)

    # if we're in a shop and have something to price ID, then yes, we
    # very much want to do it
    return 1 if inventory.detect {|item| item.price_id_useful? }
    return 0
  end

  # price ID one item for simplicity.. this should eventually drop all 
  # ID-useful items and price ID them all in one turn
  def execute()
    item = inventory.detect {|item| item.price_id_useful? }
    response = send "d1", item.invletter

    if response =~ /offers (\d+) gold pieces? for your .*?\.  Sell it\? \[ynaq\]/
      item.appearance.price_id_sell($1, false) # false == isTourist?
    elsif response =~ /offers only (\d+) gold pieces? for your .*?\.  Sell it\? \[ynaq\]/
      # exclude everything below $1
    elsif response =~ /Will you accept (\d+) zorkmids? in credit for .*?\? \[ynaq\]/
      # shk offers 90% credit (or thereabouts, with integer arithmetic)
      # perhaps we shouldn't attempt to price ID at all in this situation
      item.appearance.price_id_sell(($1*10/9).to_i, false)
    else
      # emit warning?
    end

    send "n"
    # pick up item from the floor
  end
end

if __FILE__ == $0
  require "../utils/assert.rb"

  print "unit test succeeded\n"
end