module ActiveScaffold::Config
  class FieldSearch < Base
    self.crud_type = :read

    def initialize(core_config)
      super
      @text_search = self.class.text_search

      # start with the ActionLink defined globally
      @link = self.class.link.clone
    end


    # global level configuration
    # --------------------------
    # the ActionLink for this action
    cattr_reader :link
    @@link = ActiveScaffold::DataStructures::ActionLink.new('show_search', :label => :search, :type => :collection, :security_method => :search_authorized?)

    # A flag for how the search should do full-text searching in the database:
    # * :full: LIKE %?%
    # * :start: LIKE ?%
    # * :end: LIKE %?
    # * false: LIKE ?
    # Default is :full
    cattr_accessor :text_search
    @@text_search = :full

    # instance-level configuration
    # ----------------------------

    # provides access to the list of columns specifically meant for the Search to use
    def columns
      # we want to delay initializing to the @core.columns set for as long as possible. Too soon and .search_sql will not be available to .searchable?
      unless @columns
        self.columns = @core.columns._inheritable
        self.columns.exclude @core.columns.active_record_class.locking_column.to_sym
      end
      @columns
    end

    public :columns=

    # A flag for how the search should do full-text searching in the database:
    # * :full: LIKE %?%
    # * :start: LIKE ?%
    # * :end: LIKE %?
    # * false: LIKE ?
    # Default is :full
    attr_accessor :text_search

    # the ActionLink for this action
    attr_accessor :link
  end
end