# SPDX-License-Identifier: Apache-2.0
#
# Copyright 2024-2026 The Enola <https://enola.dev> Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

@prefix :        <https://enola.dev/>.
@prefix dcterms: <http://purl.org/dc/terms/>.
@prefix exif:    <http://ns.adobe.com/exif/1.0/>.
@prefix tiff:    <http://ns.adobe.com/tiff/1.0/>.
@prefix owl:    <http://www.w3.org/2002/07/owl#>.
@prefix schema:  <https://schema.org/>.
@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#>.
@prefix xsd:     <http://www.w3.org/2001/XMLSchema#>.

# TODO Remove repeating (copy/paste) this here from enola.ttl;
# this is temporary, so that we can only load this - until we can "filter", e.g. for Graphviz, probably with sparql:...
# https://en.wikipedia.org/wiki/Object_Modeling_in_Color
rdfs:Class :color "lightblue".
rdf:Property :color "yellow".
rdfs:Datatype :color "olive".

:MediaTypeModel a owl:Ontology;
  :label "Media Types Model";
  :description "An Enola.dev Model about Media Types. (AKA an Ontology, Vocabulary - incl. instances.)".

:Format a rdfs:Class;
  rdfs:isDefinedBy :MediaTypeModel;
  :description "Format of binary data; often of Files, but technically of any bit stream.";
  :wikipedia "File_format", "List_of_file_formats".

:MediaType a rdfs:Class;
  rdfs:isDefinedBy :MediaTypeModel;
  rdfs:subClassOf :Format;
  :label "Internet Media Type";
  :description "Internet Media Type, also known as a MIME Type or Content Type.";
  :color "fuchsia";
  :text-color "white";
  :wikipedia "Media_type";
  :seeAlso "https://developer.mozilla.org/en-US/docs/Web/HTTP/MIME_types", "https://www.iana.org/assignments/media-types/media-types.xhtml";
  :rfc "2046", "6838";
  # TODO :iriTemplate "https://enola.dev/mediaType/{MEDIA_TYPE}"; # TODO Why does this cause an exception in URITemplateSplitter?!
  # TODO :mediaType "{MEDIA_TYPE}"^^:IRITemplate; # TODO Test how Enola will know this is a String, not a Link?!
  owl:equivalentClass dcterms:MediaType;
  :example <https://enola.dev/mediaType/text/plain>.

:TikaMediaTypes :description "This is a 'special system IRI' that is used to '--load enola:TikaMediaTypes' all Media Types registered in Tika.".

:datatype a rdf:Property;
  :description "RDF Datatype of a MediaType. Only some few but by far not all media types have an equivalent datatype.";
  rdfs:isDefinedBy :MediaTypeModel;
  rdfs:range rdfs:Datatype;
  rdfs:domain :MediaType.

:mediaType a rdf:Property;
  rdfs:isDefinedBy :MediaTypeModel;
  rdfs:range xsd:token; # NOT :MediaType;
  :thingTemplate "https://enola.dev/mediaType/{IT}"; # TODO !!!
  rdfs:domain rdfs:Resource; # NOT just :File, :MediaType.
  rdfs:subPropertyOf dcterms:format, schema:encodingFormat. # BUT more strict; this is NOT a URL!

:fileExtensions a rdf:Property;
  rdfs:isDefinedBy :MediaTypeModel;
  :label "File Extension";
  :description "Typical file extensions of this MediaType. Must include trailing dot, if any - some may not!";
  :wikipedia "Filename_extension", "List_of_filename_extensions";
  rdfs:range xsd:string;
  rdfs:domain :MediaType.

<https://enola.dev/mediaType/text/plain> a :MediaType;
  rdfs:isDefinedBy :MediaTypeModel;
  :label "Text";
  :fileExtensions ".txt", "README";
  :datatype xsd:string.
# TODO How to automagically infer such inverses? OWL??
xsd:string :mediaType <https://enola.dev/mediaType/text/plain>.

<https://enola.dev/mediaType/text/html> a :MediaType;
  rdfs:isDefinedBy :MediaTypeModel;
  :label "HTML";
  :fileExtensions ".html", ".htm";
  :seeAlso "https://html.spec.whatwg.org/";
  :datatype rdf:HTML.
rdf:HTML :mediaType <https://enola.dev/mediaType/text/html>.

<https://enola.dev/mediaType/text/xml> a :MediaType;
  rdfs:isDefinedBy :MediaTypeModel;
  :label "XML";
  :fileExtensions ".xml";
  :datatype rdf:XMLLiteral.
rdf:XMLLiteral :mediaType <https://enola.dev/mediaType/text/xml>.

<https://enola.dev/mediaType/application/xml> owl:equivalentClass <https://enola.dev/mediaType/text/xml>.

<https://enola.dev/mediaType/application/json> a :MediaType;
  :label "JSON";
  :fileExtensions ".json";
  :datatype rdf:JSON.
rdf:JSON :mediaType <https://enola.dev/mediaType/application/json>.

<https://enola.dev/mediaType/image/jpeg> a :MediaType;
  :label "JPEG".

# Just an example, to illustrate usage:
<https://www.vorburger.ch/michael_vorburger_portrait_in_bay_of_roses_spain_with_bad_lighting.jpg> a schema:ImageObject;
  # :mediaType "image/jpeg"; # TODO Write Thing Test which validates that this is <https://enola.dev/mediaType/image/jpeg>
  :mediaType <https://enola.dev/mediaType/image/jpeg>;
  # schema:encodingFormat "image/jpeg" equivalence is inferred, because enola:mediaType dfs:subPropertyOf schema:encodingFormat.
  schema:contentUrl "https://www.vorburger.ch/michael_vorburger_portrait_in_bay_of_roses_spain_with_bad_lighting.jpg";
  tiff:ImageWidth: 577;
  tiff:ImageLength: 800;
  tiff:ExposureTime 0.002680246582685607;
  exif:PixelXDimension 577;
  exif:PixelYDimension 401.