<?php

namespace CorpusParole\Models;

use Config;

use CorpusParole\Libraries\Utils;

use Log;

/**

 * Model class for Document. Inherit from EasyRdf_Resource

 */

    public function __construct($uri, $graph = null) {

    }

    private $id = null;

    public function getId() {

        if(is_null($this->id)) {

            $this->id = substr($this->uri, strlen(Config::get('corpusparole.cocoon_doc_id_base_uri')));

        }

        return $this->id;

    }

    public function getTitle() {

        return $this->innerDocument->getLiteral('dc11:title');

    }

    public function getPublishers() {

        return $this->innerDocument->allLiterals('dc11:publisher');

    }

    public function getMediaArray() {

        //TODO: add media type

        $res = [];

        $formats = $this->innerDocument->allResources("dc:isFormatOf");

        foreach ($formats as $f) {

            $uri = $f->getUri();

            $mimetype = Utils::get_mimetype($uri);

            array_push($res, ["url" => $uri, "format" => $mimetype]);

        }

        array_push($res, ["url" => $this->innerDocument->getUri(), "format" => $this->innerDocument->getLiteral('dc11:format')]);

        return $res;

    }

    public function getTypes() {

        return $this->innerDocument->all('dc11:type');

    }

    public function getDiscourseTypes() {

        return array_values(array_filter($this->getTypes(), function($v) {

            return $v instanceof \EasyRdf_Literal && $v->getDatatypeUri() === Config::get('constants.OLAC_DISCOURSE_TYPE')['uri'];

        }));

    }

    public function getOtherTypes() {

        $res = array_values(array_filter($this->getTypes(), function($v) {

            return $v instanceof \EasyRdf_Resource || $v->getDatatypeUri() !== Config::get('constants.OLAC_DISCOURSE_TYPE')['uri'];

        }));

        return $res;

    }

    public function updateDiscourseTypes(array $discoursesTypes) {

        foreach($this->getDiscourseTypes() as $discourseType) {

            $this->innerDocument->delete('dc11:type', $discourseType);

        }

        // re-add them

        foreach($discoursesTypes as $dType) {

            $this->innerDocument->add('dc11:type', new \EasyRdf_Literal($dType, null, Config::get('constants.OLAC_DISCOURSE_TYPE')['uri']));

        }

    }

    public function isIsomorphic($doc) {

        return \EasyRdf_Isomorphic::isomorphic($this->graph, $doc->graph);

    }

    /*

     * Clone document.

     * clone also the innerDocumenent

     */

    public function __clone() {

        $this->graph = new \EasyRdf_Graph($this->graph->getUri(), $this->graph->toRdfPhp());

        $this->innerDocument = $this->getResource('foaf:primaryTopic');

    }

}