module RHC::Commands

# File lib/rhc/commands.rb, line 12
def self.add(opts)
  commands[opts[:name]] = opts
end

# File lib/rhc/commands.rb, line 26
def self.deprecated?
  command_name = Commander::Runner.instance.command_name_from_args
  command = Commander::Runner.instance.active_command

  if deprecated[command_name]
    msg = "The command 'rhc #{command_name}' is deprecated.  Please use 'rhc #{command.name}' instead."

    raise DeprecatedError.new("#{msg} For porting and testing purposes you may switch this error to a warning by setting the DISABLE_DEPRECATED environment variable to 0.  It is not recommended to do so in a production environment as this command may be removed in future releases.") if RHC::Helpers.disable_deprecated?

    warn "Warning: #{msg} For porting and testing purposes you may switch this warning to an error by setting the DISABLE_DEPRECATED environment variable to 1.  This command may be removed in future releases."
  end
end

# File lib/rhc/commands.rb, line 19
def self.global_config_setup(options)
  RHC::Config.set_opts_config(options.config) if options.config
  RHC::Config.password = options.password if options.password
  RHC::Config.opts_login = options.rhlogin if options.rhlogin
  RHC::Config
end

# File lib/rhc/commands.rb, line 15
def self.global_option(*args, &block)
  global_options << [args, block]
end

# File lib/rhc/commands.rb, line 6
def self.load
  Dir[File.join(File.dirname(__FILE__), "commands", "*.rb")].each do |file|
    require file
  end
  self
end

# File lib/rhc/commands.rb, line 39
def self.needs_configuration!(cmd, options, config)
  if not (cmd.class.suppress_wizard? or
          options.noprompt or
          options.help or
          config.has_local_config? or
          config.has_opts_config?)
    RHC::Wizard.new(config).run
  end
end

# File lib/rhc/commands.rb, line 49
def self.to_commander(instance=Commander::Runner.instance)
  global_options.each do |args, block|
    opts = (args.pop if Hash === args.last) || {}
    option = instance.global_option(*args, &block).last
    option.merge!(opts)
  end
  commands.each_pair do |name, opts|
    instance.command name do |c|
      c.description = opts[:description]
      c.summary = opts[:summary]
      c.syntax = opts[:syntax]

      (options_metadata = opts[:options] || []).each do |o|
        option_data = [o[:switches], o[:description]].flatten(1)
        c.option *option_data
        o[:arg] = Commander::Runner.switch_to_sym(o[:switches].last)
      end

      args_metadata = opts[:args] || []
      args_metadata.each do |arg_meta|
        arg_switches = arg_meta[:switches]
        unless arg_switches.nil? or arg_switches.empty?
          arg_switches << arg_meta[:description]
          c.option *arg_switches
        end
      end

      unless opts[:aliases].nil?
        opts[:aliases].each do |a|
          alias_cmd = a[:action]

          unless a[:root_command]
            # prepend the current resource
            alias_components = name.split(" ")
            alias_components[-1] = a[:action]
            alias_cmd = alias_components.join(' ')
          end

          deprecated[alias_cmd] = true if a[:deprecated]
          instance.alias_command "#{alias_cmd}", :"#{name}"
        end
      end

      c.when_called do |args, options|
        config = global_config_setup(options)
        deprecated?

        cmd = opts[:class].new
        cmd.options = options
        cmd.config = config

        filled_args = cmd.validate_args_and_options(args_metadata, options_metadata, args)

        needs_configuration!(cmd, options, config)
        cmd.send(opts[:method], *filled_args)
      end
    end
  end
  self
end

# File lib/rhc/commands.rb, line 111
def self.commands
  @commands ||= {}
end

# File lib/rhc/commands.rb, line 117
def self.deprecated
  @deprecated ||= {}
end

# File lib/rhc/commands.rb, line 114
def self.global_options
  @options ||= []
end