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# -*- coding: binary -*-
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require 'rex/post/sql/ui/console/command_dispatcher/client'
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require 'rex/post/sql/ui/console/command_dispatcher/core'
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module Rex
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  module Post
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    module Sql
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      module Ui
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        module Console
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          ###
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          #
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          # Base class for all command dispatchers within the Generic SQL console user interface.
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          #
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          ###
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          module CommandDispatcher
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            include Msf::Ui::Console::CommandDispatcher::Session
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            #
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            # Initializes an instance of the core command set using the supplied session and client
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            # for interactivity.
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            #
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            # @param [Rex::Post::PostgreSQL::Ui::Console] console
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            def initialize(console)
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              super
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              @msf_loaded = nil
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              @filtered_commands = []
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            end
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            #
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            # Returns the SQL client context.
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            # @return [Object]
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            def client
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              console = shell
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              console.client
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            end
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            #
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            # Returns the PostgreSQL session context.
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            #
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            # @return [Msf::Sessions::PostgreSQL]
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            def session
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              console = shell
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              console.session
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            end
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            #
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            # Returns the commands that meet the requirements
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            #
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            def filter_commands(all, reqs)
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              all.delete_if do |cmd, _desc|
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                if reqs[cmd]&.any? { |req| !client.commands.include?(req) }
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                  @filtered_commands << cmd
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                  true
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                end
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              end
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            end
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            def unknown_command(cmd, line)
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              if @filtered_commands.include?(cmd)
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                print_error("The \"#{cmd}\" command is not supported by this session type (#{session.session_type})")
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                return :handled
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              end
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              super
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            end
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            #
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            # Returns true if the client has a framework object.
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            #
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            # Used for firing framework session events
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            #
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            def msf_loaded?
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              return @msf_loaded unless @msf_loaded.nil?
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              # if we get here we must not have initialized yet
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              @msf_loaded = !session.framework.nil?
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              @msf_loaded
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            end
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          end
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        end
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      end
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    end
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  end
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end
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