module Ddr::Index
  module Fields

    ID = UniqueKeyField.instance

    ACCESS_ROLE                   = Field.new :access_role, :stored_sortable
    ADMIN_POLICY_ID               = Field.new :admin_policy_id, :symbol
    ADMIN_SET                     = Field.new :admin_set, :stored_sortable
    ADMIN_SET_FACET               = Field.new :admin_set_facet, :facetable
    ADMIN_SET_TITLE               = Field.new :admin_set_title, :stored_sortable
    AFFILIATION                   = Field.new :affiliation, :stored_searchable
    AFFILIATION_FACET             = Field.new :affiliation_facet, :facetable
    ALEPH_ID                      = Field.new :aleph_id, :stored_sortable
    ALL_TEXT                      = Field.new :all_text, solr_name: "all_text_timv"
    ARRANGER_FACET                = Field.new :arranger_facet, :facetable
    ASPACE_ID                     = Field.new :aspace_id, :stored_sortable
    ATTACHED_FILES_HAVING_CONTENT = Field.new :attached_files_having_content, :symbol
    ATTACHED_TO_ID                = Field.new :attached_to_id, :symbol
    AVAILABLE                     = Field.new :available, :symbol
    BIBLICAL_BOOK_FACET           = Field.new :biblical_book_facet, :facetable
    BOX_NUMBER_FACET              = Field.new :box_number_facet, :facetable
    CATEGORY_FACET                = Field.new :category_facet, :facetable
    CHAPTER_AND_VERSE_FACET       = Field.new :chapter_and_verse_facet, :facetable
    COLLECTION_FACET              = Field.new :collection_facet, :facetable
    COLLECTION_ID                 = Field.new :collection_id, :symbol
    COLLECTION_TITLE              = Field.new :collection_title, :stored_sortable
    COMMON_MODEL_NAME             = Field.new :common_model_name, :stored_sortable
    COMPANY_FACET                 = Field.new :company_facet, :facetable
    COMPOSER_FACET                = Field.new :composer_facet, :facetable
    CONTENT_CREATE_DATE           = Field.new :content_create_date, :stored_sortable, type: :date
    CONTENT_SIZE                  = Field.new :content_size, solr_name: "content_size_lsi"
    CONTENT_SIZE_HUMAN            = Field.new :content_size_human, :symbol
    CONTENTDM_ID                  = Field.new :contentdm_id, :stored_sortable
    CONTRIBUTOR_FACET             = Field.new :contributor_facet, :facetable
    CREATOR_FACET                 = Field.new :creator_facet, :facetable
    DATE_FACET                    = Field.new :date_facet, :facetable
    DATE_SORT                     = Field.new :date_sort, :sortable
    DC_IS_PART_OF                 = Field.new :isPartOf, :symbol
    DEPOSITOR                     = Field.new :depositor, :stored_sortable
    DERIVED_IMAGE_FILE_PATH       = Field.new :derived_image_file_path, :stored_sortable
    # DDR-1997 - description should always be indexed as _tesim regardless of length - Valkyrie indexes fields > 1000
    # characters in length as _tsim only
    DESCRIPTION                   = Field.new :description, :stored_searchable # stored_searchable produces _tesim
    DISPLAY_FORMAT                = Field.new :display_format, :stored_sortable
    DOI                           = Field.new :doi, :symbol
    EAD_ID                        = Field.new :ead_id, :stored_sortable
    EFFECTIVE_ROLE                = Field.new :effective_role, :symbol
    ENGRAVER_FACET                = Field.new :engraver_facet, :facetable
    EXTRACTED_TEXT                = Field.new :extracted_text, solr_name: "extracted_text_tsm"
    FCREPO3_PID                   = Field.new :fcrepo3_pid, :stored_sortable
    FOLDER_FACET                  = Field.new :folder_facet, :facetable
    FOR_COLLECTION_ID             = Field.new :for_collection_id, :symbol
    FORMAT_FACET                  = Field.new :format_facet, :facetable
    GENRE_FACET                   = Field.new :genre_facet, :facetable
    IDENTIFIER_ALL                = Field.new :identifier_all, :symbol
    ILLUSTRATED_FACET             = Field.new :illustrated_facet, :facetable
    ILLUSTRATOR_FACET             = Field.new :illustrator_facet, :facetable
    INGESTED_BY                   = Field.new :ingested_by, :stored_sortable
    INGESTION_DATE                = Field.new :ingestion_date, :stored_sortable, type: :date
    INSTRUMENTATION_FACET         = Field.new :instrumentation_facet, :facetable
    INTERVIEWER_NAME_FACET        = Field.new :interviewer_name_facet, :facetable
    IS_FORMAT_OF                  = Field.new :isFormatOf, :symbol
    IS_LOCKED                     = Field.new :is_locked, :stored_sortable
    # Keeping IS_MEMBER_OF_COLLECTION and IS_PART_OF for now for backwards compatibility
    IS_MEMBER_OF_COLLECTION       = Field.new :is_member_of_collection, :symbol
    IS_PART_OF                    = Field.new :is_part_of, :symbol
    LANGUAGE_FACET                = Field.new :language_facet, :facetable
    LANGUAGE_NAME                 = Field.new :language_name, :stored_searchable
    LAST_FIXITY_CHECK_ON          = Field.new :last_fixity_check_on, :stored_sortable, type: :date
    LAST_FIXITY_CHECK_OUTCOME     = Field.new :last_fixity_check_outcome, :symbol
    LAST_VIRUS_CHECK_ON           = Field.new :last_virus_check_on, :stored_sortable, type: :date
    LAST_VIRUS_CHECK_OUTCOME      = Field.new :last_virus_check_outcome, :symbol
    LICENSE                       = Field.new :license, :stored_sortable
    LITHOGRAPHER_FACET            = Field.new :lithographer_facet, :facetable
    LOCAL_ID                      = Field.new :local_id, :stored_sortable
    LYRICIST_FACET                = Field.new :lyricist_facet, :facetable
    MEDIA_SUB_TYPE                = Field.new :content_media_sub_type, :facetable
    MEDIA_MAJOR_TYPE              = Field.new :content_media_major_type, :facetable
    MEDIA_TYPE                    = Field.new :content_media_type, :symbol
    MEDIUM_FACET                  = Field.new :medium_facet, :facetable
    MULTIRES_IMAGE_FILE_PATH      = Field.new :multires_image_file_path, :stored_sortable
    NESTED_PATH                   = Field.new :nested_path, :stored_sortable
    NESTED_PATH_TEXT              = Field.new :nested_path_text, :searchable
    ORIGINAL_FILENAME             = Field.new :original_filename, :stored_sortable
    PARENT_ID                     = Field.new :parent_id, :symbol
    PERFORMER_FACET               = Field.new :performer_facet, :facetable
    PERMANENT_ID                  = Field.new :permanent_id, :stored_sortable
    PERMANENT_URL                 = Field.new :permanent_url, :stored_sortable
    PLACEMENT_COMPANY_FACET       = Field.new :placement_company_facet, :facetable
    POLICY_ROLE                   = Field.new :policy_role, :symbol
    PRODUCER_FACET                = Field.new :producer_facet, :facetable
    PRODUCT_FACET                 = Field.new :product_facet, :facetable
    PUBLICATION_FACET             = Field.new :publication_facet, :facetable
    PUBLISHER_FACET               = Field.new :publisher_facet, :facetable
    RESEARCH_HELP_CONTACT         = Field.new :research_help_contact, :stored_sortable
    RESOURCE_CREATE_DATE          = Field.new :created_at, :stored_sortable, type: :date
    RESOURCE_MODEL                = Field.new :resource_model, solr_name: "internal_resource_ssim"
    RESOURCE_MODIFIED_DATE        = Field.new :updated_at, :stored_sortable, type: :date
    RESOURCE_ROLE                 = Field.new :resource_role, :symbol
    RIGHTS_NOTE                   = Field.new :rights_note, :stored_searchable
    ROLL_NUMBER_FACET             = Field.new :roll_number_facet, :facetable
    SERIES_FACET                  = Field.new :series_facet, :facetable
    SETTING_FACET                 = Field.new :setting_facet, :facetable
    SPATIAL_FACET                 = Field.new :spatial_facet, :facetable
    STREAMABLE_MEDIA_TYPE         = Field.new :streamable_media_type, :stored_sortable
    STRUCTURE                     = Field.new :structure, solr_name: "structure_ss"
    STRUCTURE_SOURCE              = Field.new :structure_source, :stored_sortable
    SUBJECT_FACET                 = Field.new :subject_facet, :facetable
    SUBSERIES_FACET               = Field.new :subseries_facet, :facetable
    TARGET_ID                     = Field.new :target_id, :symbol
    TECHMD_COLOR_SPACE            = Field.new :techmd_color_space, :symbol
    TECHMD_CREATING_APPLICATION   = Field.new :techmd_creating_application, :symbol
    TECHMD_CREATION_TIME          = Field.new :techmd_creation_time, :stored_searchable, type: :date
    TECHMD_FILE_SIZE              = Field.new :techmd_file_size, solr_name: "techmd_file_size_lsi"
    TECHMD_FITS_VERSION           = Field.new :techmd_fits_version, :stored_sortable
    TECHMD_FITS_DATETIME          = Field.new :techmd_fits_datetime, :stored_sortable, type: :date
    TECHMD_FORMAT_LABEL           = Field.new :techmd_format_label, :symbol
    TECHMD_FORMAT_VERSION         = Field.new :techmd_format_version, :symbol
    TECHMD_ICC_PROFILE_NAME       = Field.new :techmd_icc_profile_name, :symbol
    TECHMD_ICC_PROFILE_VERSION    = Field.new :techmd_icc_profile_version, :symbol
    TECHMD_IMAGE_HEIGHT           = Field.new :techmd_image_height, :stored_searchable, type: :integer
    TECHMD_IMAGE_WIDTH            = Field.new :techmd_image_width, :stored_searchable, type: :integer
    TECHMD_MD5                    = Field.new :techmd_md5, :stored_sortable
    TECHMD_MEDIA_TYPE             = Field.new :techmd_media_type, :symbol
    TECHMD_MODIFICATION_TIME      = Field.new :techmd_modification_time, :stored_searchable, type: :date
    TECHMD_PRONOM_IDENTIFIER      = Field.new :techmd_pronom_identifier, :symbol
    TECHMD_VALID                  = Field.new :techmd_valid, :symbol
    TECHMD_WELL_FORMED            = Field.new :techmd_well_formed, :symbol
    TEMPORAL_FACET                = Field.new :temporal_facet, :facetable
    TITLE                         = Field.new :title, :stored_sortable
    TONE_FACET                    = Field.new :tone_facet, :facetable
    TYPE_FACET                    = Field.new :type_facet, :facetable
    VOLUME_FACET                  = Field.new :volume_facet, :facetable
    WORKFLOW_STATE                = Field.new :workflow_state, :stored_sortable
    YEAR_FACET                    = Field.new :year_facet, solr_name: "year_facet_iim"

    def self.get(name)
      const_get(name.to_s.upcase, false)
    end

    def self.techmd
      @techmd ||= constants(false).select { |c| c =~ /\ATECHMD_/ }.map { |c| const_get(c) }.freeze
    end

    def self.descmd
      @descmd ||= Ddr::Describable.term_names.map do |term_name|
        Field.new term_name, *Ddr::Describable.indexers_for(term_name)
      end.freeze
    end

    def self.adminmd
      @adminmd ||= Ddr::HasAdminMetadata.term_names.map do |term_name|
        begin
          get(term_name)
        rescue NameError
          Field.new term_name
        end
      end.freeze
    end

  end
end