namespace 'ArJs', ->
  class @Model
    private: {}

    primaryKey: 'id'

    constructor: (data) ->
      $.extend @, ko.mapping.fromJS data
      @[@primaryKey].subscribe (newval) =>
        print "JSC Fatal Error: Primary key \"#{@primaryKey}\" (#{data.id} => #{newval}) " +
          "for model \"#{@model.name}\" has been changed. Это влечёт к полному фейлу индексации данных.", "#900"

    @setup: (data) ->
      if !@::private[@::model.name]?
        @::private[@::model.name] = {
          properties: {}
          index: []
        }
      for i in data
        @::private[@::model.name].properties[i[@::primaryKey]] = new Models[@::model.name](i)
        @::private[@::model.name].index.push i.id


    @find: (pk) ->
      if pk is 'all' then   return @all()
      if pk is 'first' then return @first()
      if pk is 'last' then  return @last()

      return @::private[@::model.name].properties[pk]

    @all: ->
      return @::private[@::model.name].properties

    @first: ->
      for i of @::private[@::model.name].properties
        return @::private[@::model.name].properties[i]

    @last: ->
      for i of @::private[@::model.name].index.reverse()
        return @::private[@::model.name].properties[@::private[@::model.name].index[i]]

    @join: (index, value, data) ->
      for i of @::private[@::model.name].properties
        obj = @::private[@::model.name].properties[i]
        if data[obj[index]()]?
          obj[value] = ko.mapping.fromJS data[i]
        else
          obj[value] = ko.mapping.fromJS 0