Definition = require './definition'
DotNotationArrayLengthDefinition = require './dot_notation_array_length_definition'
DotNotationPathDefinition = require './dot_notation_path_definition'
DotNotation = require './dot_notation'
ObjectInstance = require './object_instance'
definitionFactory = require './definition_factory'

module.exports = class DotNotationPathDefinition extends Definition
  initialize: ->
    [pathString, descendantDefinition] = @args
    @dotNotation = new DotNotation(pathString)
    @childDefinition =
      if @dotNotation.isArrayLength()
        new DotNotationArrayLengthDefinition descendantDefinition
      else if @dotNotation.isLeaf()
        definitionFactory descendantDefinition
      else
        new DotNotationPathDefinition(@dotNotation.childPathString(), descendantDefinition)

  param: -> @dotNotation.param()

  buildInstance: (options = {}) ->
    instance = options.instance ? new ObjectInstance(options.overridingDefinition)
    childInstance = instance.getInstance @param()
    valueInstance = @childDefinition.buildInstance
      instance: childInstance
      overridingDefinition: options.overridingDefinition?.objectDefinitionForParam?(@param())
      factoryArguments: options.factoryArguments
    instance.setInstance @param(), valueInstance
    instance

  buildInstanceAsync: (options = {}) ->
    instance = options.instance ? new ObjectInstance(options.overridingDefinition)
    instance.getInstanceAsync(@param())
      .then (childInstance) =>
        @childDefinition.buildInstanceAsync
          instance: childInstance
          overridingDefinition: options.overridingDefinition?.objectDefinitionForParam?(@param())
          factoryArguments: options.factoryArguments
      .then (valueInstance) =>
        instance.setInstance(@param(), valueInstance)
        instance