class Bundler::Thor
  class Options < Arguments #:nodoc:
    LONG_RE     = /^(--\w+(?:-\w+)*)$/
    SHORT_RE    = /^(-[a-z])$/i
    EQ_RE       = /^(--\w+(?:-\w+)*|-[a-z])=(.*)$/i
    SHORT_SQ_RE = /^-([a-z]{2,})$/i # Allow either -x -v or -xv style for single char args
    SHORT_NUM   = /^(-[a-z])#{NUMERIC}$/i
    OPTS_END    = "--".freeze

    # Receives a hash and makes it switches.
    def self.to_switches(options)
      options.map do |key, value|
        case value
        when true
          "--#{key}"
        when Array
          "--#{key} #{value.map(&:inspect).join(' ')}"
        when Hash
          "--#{key} #{value.map { |k, v| "#{k}:#{v}" }.join(' ')}"
        when nil, false
          nil
        else
          "--#{key} #{value.inspect}"
        end
      end.compact.join(" ")
    end

    # Takes a hash of Bundler::Thor::Option and a hash with defaults.
    #
    # If +stop_on_unknown+ is true, #parse will stop as soon as it encounters
    # an unknown option or a regular argument.
    def initialize(hash_options = {}, defaults = {}, stop_on_unknown = false, disable_required_check = false, relations = {})
      @stop_on_unknown = stop_on_unknown
      @exclusives = (relations[:exclusive_option_names] || []).select{|array| !array.empty?}
      @at_least_ones = (relations[:at_least_one_option_names] || []).select{|array| !array.empty?}
      @disable_required_check = disable_required_check
      options = hash_options.values
      super(options)

      # Add defaults
      defaults.each do |key, value|
        @assigns[key.to_s] = value
        @non_assigned_required.delete(hash_options[key])
      end

      @shorts = {}
      @switches = {}
      @extra = []
      @stopped_parsing_after_extra_index = nil
      @is_treated_as_value = false
