class MinglrOptionsParser
  def self.parse(args, *required_by_command)
    project_options = []

    if MingleResource.site
      properties = PropertyDefinition.find(:all)
      project_options = properties.collect do |property|
        [property.column_name.to_sym, property.name]
      end
    end
    command_options = {}
    parser = OptionParser.new do |opts|
      opts.banner = "Usage: minglr [action] [options]"
      opts.separator ""
      opts.separator "Valid Commands Are: #{MinglrAction::ACTIONS.join(", ")}"
      
      opts.on("-n NAME", String, "Short name of card") do |card_name|
        command_options[:name] = card_name
      end
      
      opts.on("-d DESCRIPTION", String, "Description of card") do |card_description|
        command_options[:description] = card_description
      end
      
      opts.on("-t TYPE", String, "Type of card") do |card_type|
        command_options[:card_type_name] = card_type
      end
      
      opts.on("-c COMMENT", String, "Comment") do |comment|
        command_options[:comment] = comment
      end
      
      opts.on("-f FILE", String, "File to attach") do |file|
        command_options[:file_attachment] = file
      end
      
      unless project_options.empty?
        opts.separator ""
        opts.separator "Project Specific Options"
        
        project_options.each do |option_pair|
          option_switch = option_pair[1].downcase.gsub(/\s|_/, "-").gsub(/--|---/, '-').gsub(/--/, '-')
          opts.on("--#{option_switch}", String, "Set the #{option_pair[1]} for a card") do |option|
            command_options[option_pair[0]] = option
          end
        end
        
        opts.separator ""
      end
    
      opts.on_tail("-h", "--help", "Show this help message.") do |help|
        puts opts
        exit
      end
      
      opts.on_tail("--version", "Show version") do
        puts Minglr::VERSION
        exit
      end
      
      if args.empty?
        puts opts
        exit
      end
    end

    parser.parse! args
    command_options
  end
end