module ActiveData
  module Model
    module Associations
      module Collection
        class Proxy
          include Enumerable

          delegate :target, :save, :save!, :loaded?, :reload, :clear, :concat, to: :@association
          delegate :each, :size, :length, :first, :last, :empty?, :many?, :==, :dup, to: :target
          alias_method :<<, :concat
          alias_method :push, :concat

          def initialize(association)
            @association = association
          end

          def to_ary
            dup
          end
          alias_method :to_a, :to_ary

          def inspect
            entries = target.take(10).map!(&:inspect)
            entries[10] = '...' if target.size > 10

            "#<#{self.class.name.demodulize} [#{entries.join(', ')}]>"
          end
        end
      end
    end
  end
end