N = require '../'

class SimpleTree extends N \_simpletree abstract: true

  @rootId = null

SimpleTree.HasOne SimpleTree, \Parent

SimpleTree.Create root: true .Then -> SimpleChain.Create parentId: SimpleChain.Fetch root: true



# class SimpleChain extends N \_simplechain abstract: true
#
#   @firstId = 0
#   @lastId = 0
#
#   @Push = @_WrapPromise (blob, done) ->
#     @Create blob
#       .fail done
#       .then (newItem) ~>
#         @Fetch @lastId
#           .fail done
#           .then (.nextId = newItem.id; it.Save done)
#
# SimpleChain.HasOne SimpleChain, \Next
#
# class DoubleChain extends SimpleChain.Extend \_doublechain abstract: true
#
# DoubleChain.HasOne DoubleChain, \Prev



# Users.Create!
#   .fail console.error
#   .then -> it.AddLeft it
#   .then -> it.Save!
#   .fail console.error
#   .then console.log
#   .then -> Users.Fetch 1
#   .fail console.error
#   .then console.log

# SimpleChain = N \_simplechain , abstract: true, schema:
#   Next:
#     type: SimpleChain
#     localKey: 'nextId'
#
# DoubleChain = SimpleChain.Extend \_doublechain , abstract: true, schema:
#   Prev:
#     type: SimpleChain
#     localKey: 'prevId'
#
# DoubleCircularChain = DoubleChain.Extend \_doublecircularchain