module AbsorbApi::Relations

# File lib/absorb_api/relations.rb, line 45
def create(attributes = [], &block)
  object = to_s.classify.constantize.new(attributes)
  yield object if block_given?
  attrs = JSON.parse(object.to_json)
  attrs.keys.each { |k| attrs[ k.camelize ] = attrs.delete(k) }
  response = Base.api.post("#{to_s.demodulize.pluralize}", attrs)
  if response.status == 500
    raise ValidationError
  elsif response.status == 405
    raise RouteNotFound
  else
    object.id = response.body["Id"]
    object
  end
end

# File lib/absorb_api/relations.rb, line 6
def has_many(rel_name, klass = nil)
  klass ||= rel_name

  define_method "#{rel_name.to_s}" do |**conditions|
    AbsorbApi.api.get("#{self.class.to_s.demodulize.pluralize}/#{id}/#{rel_name.to_s}", conditions).body.map! do |attributes|
      "AbsorbApi::#{klass.to_s.classify}".constantize.new(attributes)
    end
  end

  define_method "find_#{rel_name.to_s.singularize}" do |child_id|
    response = AbsorbApi.api.get("#{self.class.to_s.demodulize.pluralize}/#{id}/#{rel_name.to_s}/#{child_id}")
    if response.status == 400
      raise ResourceNotFound
    else
      "AbsorbApi::#{klass.to_s.classify}".constantize.new(response.body)
    end
  end

  define_method "#{rel_name.to_s.singularize}_ids" do
    AbsorbApi.api.get("#{self.class.to_s.demodulize.pluralize}/#{id}/#{rel_name.to_s}").body.map! do |attributes|
      "AbsorbApi::#{klass.to_s.classify}".constantize.new(attributes)
    end.map(&:id)
  end
end

# File lib/absorb_api/relations.rb, line 31
def has_one(rel_name, klass = nil)
  klass ||= rel_name

  define_method "#{rel_name.to_s}" do
    "AbsorbApi::#{klass.to_s.classify}".constantize.new(AbsorbApi.api.get("#{klass.to_s.pluralize}/"+ send(rel_name.to_s + "_id")).body)
  end
end

# File lib/absorb_api/relations.rb, line 39
def where(**conditions)
  Collection.new( AbsorbApi.api.get("#{to_s.demodulize.pluralize}", conditions).body.map! do |attributes|
    new(attributes)
  end, {klass: to_s.demodulize } )
end