module Ecoportal
  module API
    class V2
      class Page
        class Components < Common::Content::CollectionModel
          class_resolver :component_class, "Ecoportal::API::V2::Page::Component"

          self.klass do |doc|
            component_class.get_class(doc).tap do |klass|
              klass.key = :id
            end
          end

          order_matters = true

          def ooze
            self._parent.ooze
          end

          # @return [Ecoportal::API::V2::Page::Component] the field with `id`
          def get_by_id(id)
            self.find do |comp|
              comp.id == id
            end
          end

          # @return [Array<Ecoportal::API::V2::Page::Component>] the fields of that `type`
          def get_by_type(type)
            self.select do |comp|
              comp.type.downcase == type.to_s.strip.downcase
            end
          end

          # @param name [String, Regexp] the `name` to search the field based on their `label`
          # @param type [String] the `type` of the fields to be included
          # @return [Array<Ecoportal::API::V2::Page::Component>] the fields that match `name`.
          def get_by_name(name, type: nil)
            pool = type ? get_by_type(type) : self
            pool.select do |comp|
              same_string?(comp.label, name)
            end
          end

          # It creates a **new** component
          # @note
          #   - You can use either `type` and `label` **or** `doc`
          # @param label [String, nil]
          # @param type [String] the type of the field
          # @param doc [Hash] to copy another field model
          # @yield [field] do some stuff with field
          # @yieldparam [Ecoportal::API::V2::Page::Component] the created field
          # @return [Ecoportal::API::V2::Page::Component] the created field.
          def add(doc: nil, label: doc && doc["label"], type: doc && doc["type"])
            fld_doc = doc ? JSON.parse(doc.to_json) : component_class.new_doc(type: type)
            upsert!(fld_doc) do |fld|
              fld.label  = label if !doc
              yield(fld) if block_given?
            end
          end

          # @return [Array<Ecoportal::API::V2::Page::Component>] **orphaned** fields (with no section).
          def unattached
            select {|comp| !comp.attached?}
          end

          # @return [Array<Ecoportal::API::V2::Page::Component>] fields belonging to more than one section.
          def multi_section
            select {|comp| comp.multi_section?}
          end
        end
      end
    end
  end
end