#
# file::    occupations.rb
# author::  Craig Smith

$:.unshift "lib" if !$:.include? "lib"
$:.unshift "vendor" if !$:.include? "vendor"

require 'yaml'
require 'utility/ternarytrie'
require 'utility/configuration'
require 'utility/log'


# The Command class encapsulates a TeensyMud command
class Occupation
  attr_reader :name, :start_items, :start_skills
  attr_accessor :start_location, :level_skill_bonus, :start_cash_bonus
  logger
  configuration

  # Create an occupation
  def initialize(name)
    @name,@start_items,@start_skills,@start_location,@level_skill_bonus = name,start_items,start_skills,start_location,level_skill_bonus
  end

  # load builds a occupation lookup trie from the commands listed in a yaml
  # config file and in the and then defines/redefines them on the GameObject
  # classes.
  # [+return+] A trie of commands (see TernaryTrie class)
  def self.load
    @log.info "Loading occupations..."
    occtable = TernaryTrie.new
    if options['occupations'] && !options['occupations'].empty?
	options['occupations'].each do |i|
		if FileTest.exists? "occupations/#{i}.yaml"
			occs = YAML::load_file("occupations/#{i}.yaml")
			if occs.has_key? "name"
				occtable.insert(occs['name'], occs)
			else
				@log.error "No name field defined for #{i}"
			end
		else
			@log.warn "No occupation file for #{i}."
		end
	end
    end

    @log.info "Done."
    return occtable
  rescue Exception
    @log.error $!
  end

  # We need options at class level
  def self.options
    Configuration.instance.options
  end

end