class Middleman::Application

def self.cache
  @_cache ||= ::Middleman::Util::Cache.new
end

def build?; environment == :build; end

def defaults
  @defaults ||= {}
end

def development?; environment == :development; end

def full_path(path)
  resource = sitemap.find_resource_by_destination_path(path)
  if !resource
    # Try it with /index.html at the end
    indexed_path = File.join(path.sub(%r{/$}, ''), index_file)
    resource = sitemap.find_resource_by_destination_path(indexed_path)
  end
  if resource
    '/' + resource.destination_path
  else
    '/' + Middleman::Util.normalize_path(path)
  end
end

def helpers(*extensions, &block)
  class_eval(&block)   if block_given?
  include(*extensions) if extensions.any?
end

def initialize(&block)
  # Clear the static class cache
  cache.clear
  # Setup the default values from calls to set before initialization
  self.class.superclass.defaults.each { |k,v| set(k,v) }
  # Evaluate a passed block if given
  instance_exec(&block) if block_given?
  set :source, ENV["MM_SOURCE"] if ENV["MM_SOURCE"]
  super
end

def root_path
  @_root_path ||= Pathname.new(root)
end

def set(key, value=nil, &block)
  @defaults ||= {}
  @defaults[key] = value
  @inst.set(key, value, &block) if @inst
end

def set(key, value=nil, &block)
  setter = "#{key}=".to_sym
  self.class.send(:attr_accessor, key) if !respond_to?(setter)
  value = block if block_given?
  send(setter, value)
end

def settings
  self
end

def source_dir
  File.join(root, source)
end

def to_s
  "#<Middleman::Application:0x#{object_id}>"
end