class Manifest.Model extends ManifestBase.Base
  
  set_default: () ->
    super
    @json.attributes ||= {}
    @json.associations ||= {}
    @json.table_name ||= Manifest.manifest().pluralize(@name)
    @json.attributes.id = {
      'type': 'number',
      'primary_key': 1,
      'rules': {
        'number': true
      }
    }
    @json.attributes.created_at = {
      'type': 'datetime',
    }
    @json.attributes.updated_at = {
      'type': 'datetime',
    }
  
  init: () ->
    super
    @table_name = @json.table_name
    @attributes = ManifestBase.load_name_values this, @json, 'attributes', Manifest.ModelModule.Attribute
    @associations = ManifestBase.load_value this, @json, 'associations', Manifest.ModelModule.Association
  
  item_name: () ->
    @name
  
  classify: () ->
    Manifest.item_name_to_model @name
  
  valid_encode_columns: () ->
    r = []
    _.each @attributes, (attribute, attribute_name) ->
      next if not attribute.type == 'text'
      r.push attribute_name
    r
  
  owner_type: () ->
    return 'author' if @attributes.author_id
    return 'artist' if @attributes.artist_id
    false
  
  content_model: () ->
    return true if @owner_type
    false
  
  child_model_manifests: () ->
    r = []
    _.each Manifest.manifest().items, (peta_manifest, peta_name) =>
      return if not peta_manifest.is_element()
      return if peta_manifest.parent_item_name != @name
      r.push Manifest.manifest().models[peta_name]
    r
  
  child_models: () ->
    _.map @child_model_manifests(), (child_model_manifest) ->
      child_model_manifest.classify()
  
  child_element_names: () ->
    _.map @child_models(), (child_model) ->
      @associations.child_element_name(child_model)
  
  child_element_name: (item_name) ->
    @associations.child_element_name(@child_model_manifest())
  
class Manifest.ModelModule