class Journey::Route

# File lib/journey/route.rb, line 13
def initialize name, app, path, constraints, defaults = {}
  constraints  = constraints.dup
  @name        = name
  @app         = app
  @path        = path
  @verb        = constraints[:request_method] || //
  @ip          = constraints.delete(:ip) || //

  @constraints = constraints
  @constraints.keep_if { |_,v| Regexp === v || String === v }
  @defaults    = defaults
  @required_defaults = nil
  @required_parts    = nil
  @parts             = nil
  @decorated_ast     = nil
  @precedence        = 0
end

# File lib/journey/route.rb, line 31
def ast
  return @decorated_ast if @decorated_ast

  @decorated_ast = path.ast
  @decorated_ast.grep(Nodes::Terminal).each { |n| n.memo = self }
  @decorated_ast
end

# File lib/journey/route.rb, line 69
def format path_options
  (defaults.keys - required_parts).each do |key|
    path_options.delete key if defaults[key].to_s == path_options[key].to_s
  end

  formatter      = Visitors::Formatter.new(path_options)

  formatted_path = formatter.accept(path.spec)
  formatted_path.gsub(/\/\x00/, '')
end

# File lib/journey/route.rb, line 80
def optional_parts
  path.optional_names.map { |n| n.to_sym }
end

# File lib/journey/route.rb, line 64
def parts
  @parts ||= segments.map { |n| n.to_sym }
end

# File lib/journey/route.rb, line 88
def required_defaults
  @required_defaults ||= begin
    matches = parts
    @defaults.dup.delete_if { |k,_| matches.include? k }
  end
end

# File lib/journey/route.rb, line 50
def required_keys
  path.required_names.map { |x| x.to_sym } + required_defaults.keys
end

# File lib/journey/route.rb, line 84
def required_parts
  @required_parts ||= path.required_names.map { |n| n.to_sym }
end

# File lib/journey/route.rb, line 54
def score constraints
  required_keys = path.required_names
  supplied_keys = constraints.map { |k,v| v && k.to_s }.compact

  return -1 unless (required_keys - supplied_keys).empty?

  score = (supplied_keys & path.names).length
  score + (required_defaults.length * 2)
end

# File lib/journey/route.rb, line 46
def segments
  @path.names
end