module Ecoportal
  module API
    class V2
      class Page
        class Component < Common::Content::DoubleModel
          extend Ecoportal::API::Common::Content::StringDigest

          class_resolver :tag_field_class,        "Ecoportal::API::V2::Page::Component::TagField"
          class_resolver :geo_field_class,        "Ecoportal::API::V2::Page::Component::GeoField"
          class_resolver :selection_field_class,  "Ecoportal::API::V2::Page::Component::SelectionField"
          class_resolver :date_field_class,       "Ecoportal::API::V2::Page::Component::DateField"
          class_resolver :number_field_class,     "Ecoportal::API::V2::Page::Component::NumberField"
          class_resolver :gauge_field_class,      "Ecoportal::API::V2::Page::Component::GaugeField"
          class_resolver :plain_text_field_class, "Ecoportal::API::V2::Page::Component::PlainTextField"
          class_resolver :rich_text_field_class,  "Ecoportal::API::V2::Page::Component::RichTextField"
          class_resolver :people_field_class,     "Ecoportal::API::V2::Page::Component::PeopleField"
          class_resolver :checklist_field_class,  "Ecoportal::API::V2::Page::Component::ChecklistField"
          class_resolver :action_field_class,     "Ecoportal::API::V2::Page::Component::ActionField"
          class_resolver :files_field_class,      "Ecoportal::API::V2::Page::Component::FilesField"
          class_resolver :images_field_class,     "Ecoportal::API::V2::Page::Component::ImagesField"
          class_resolver :signature_field_class,  "Ecoportal::API::V2::Page::Component::SignatureField"
          class_resolver :reference_field_class,  "Ecoportal::API::V2::Page::Component::ReferenceField"
          class_resolver :law_field_class,        "Ecoportal::API::V2::Page::Component::LawField"
          class_resolver :chart_field_class,      "Ecoportal::API::V2::Page::Component::ChartField"
          class_resolver :chart_fr_field_class,   "Ecoportal::API::V2::Page::Component::ChartFrField"

          class << self
            def new_doc(type: nil)
              {
                "id"         => new_uuid
              }.tap do |base_doc|
                if type
                  base_doc.merge!({"type" => type})
                  if klass = get_class(base_doc)
                    base_doc.merge!(klass.new_doc || {})
                  end
                end
              end
            end

            def get_class(doc)
              if doc.is_a?(Hash)
                case doc["type"]
                when "tag_field"
                  tag_field_class
                when "geo"
                  geo_field_class
                when "select"
                  selection_field_class
                when "date"
                  date_field_class
                when "number"
                  number_field_class
                when "gauge"
                  gauge_field_class
                when "plain_text"
                  plain_text_field_class
                when "rich_text"
                  rich_text_field_class
                when "people"
                  people_field_class
                when "checklist"
                  checklist_field_class
                when "page_action","checklist_task"
                  action_field_class
                when "file"
                  files_field_class
                when "image_gallery"
                  images_field_class
                when "signature"
                  signature_field_class
                when "cross_reference"
                  reference_field_class
                when "law"
                  law_field_class
                when "chart"
                  chart_field_class
                when "frequency_rate_chart"
                  chart_fr_field_class
                else
                  self
                end
              end
            end
          end

          passkey     :id
          passforced  :patch_ver, default: 1
          passboolean :undeletable
          passthrough :type, :label, :tooltip, :global_binding
          passboolean :hidden, :deindex, :required
          passthrough :accent
          passboolean :hide_view, :hidden_on_reports, :hidden_on_mobile
          passarray   :refs

          def ooze
            self._parent.ooze
          end

          def ref_backend
            refs.first
          end

          def ref
            if digest = self.class.hash_label(label)
              [type, digest].join(".")
            end
          end

          # Looks up the section that this component belongs to.
          # @return [Ecoportal::API::V2::Page::Section, nil] the section where this field is attached to.
          def section
            root.sections.find {|sec| sec.component?(id)}
          end

          # @return [Boolean] whether or not this field is attached to any section.
          def attached?
            !!section
          end

          # @return [Boolean] whether or not the component has been attached to more than one section.
          def multi_section?
            secs = ooze.sections.select {|sec| sec.component?(id)}
            secs.length > 1
          end

          def indexable_label
            self.class.indexable_label(label)
          end

          # Quick config helper
          # @param conf [Symbol, Array<Symbol>]
          #   - `:required`
          #   - `:hide_view` to hide in view mode
          #   - `:hide_mobile` to hide in mobile app
          #   - `:hide_reports` to hide in reports
          #   - `:global` to define a global binding
          def configure(*conf)
            conf.each_with_object([]) do |cnf, unused|
              case cnf
              when :required
                self.required  = true
              when :hide_view
                self.hide_view = true
              when :hide_mobile
                self.hidden_on_mobile = true
              when :hide_reports
                self.hidden_on_reports = true
              when Hash
                if cnf.key?(:global)
                  self.global_binding = cnf[:global]
                end
              else
                unused.push(cnf)
              end
            end.tap do |unused|
              raise "Unsupported configuration options '#{unused}' for #{self.class}" unless unused.empty?
            end
          end

        end
      end
    end
  end
end

require 'ecoportal/api/v2/page/component/tag_field'
require 'ecoportal/api/v2/page/component/geo_field'
require 'ecoportal/api/v2/page/component/selection_field'
require 'ecoportal/api/v2/page/component/date_field'
require 'ecoportal/api/v2/page/component/number_field'
require 'ecoportal/api/v2/page/component/gauge_field'
require 'ecoportal/api/v2/page/component/plain_text_field'
require 'ecoportal/api/v2/page/component/rich_text_field'
require 'ecoportal/api/v2/page/component/people_field'
require 'ecoportal/api/v2/page/component/checklist_field'
require 'ecoportal/api/v2/page/component/action_field'
require 'ecoportal/api/v2/page/component/files_field'
require 'ecoportal/api/v2/page/component/images_field'
require 'ecoportal/api/v2/page/component/signature_field'
require 'ecoportal/api/v2/page/component/reference_field'
require 'ecoportal/api/v2/page/component/law_field'
require 'ecoportal/api/v2/page/component/chart_field'
require 'ecoportal/api/v2/page/component/chart_fr_field'