require 'active_support/concern'

module ActiveHouse
  module Modeling
    module Scope
      extend ActiveSupport::Concern

      included do
        class_attribute :_default_scope, instance_accessor: false
        class_attribute :_scopes, instance_accessor: false
        self._scopes = {}
      end

      class_methods do
        def default_scope(name)
          self._default_scope = name.to_sym
        end

        def scope(name, block)
          self._scopes = _scopes.merge(name.to_sym => block)
        end

        def respond_to_missing?(method_name, *_args)
          scope?(method_name) || super
        end

        def method_missing(method_name, *args, &_block)
          if scope?(method_name)
            scope = _scopes.fetch(method_name.to_sym)
            all.instance_exec(*args, &scope)
          else
            super
          end
        end

        def scope?(name)
          _scopes.key?(name.to_sym)
        end
      end
    end
  end
end