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<?php

/**
 * @file classes/submission/SubmissionAgencyDAO.php
 *
 * Copyright (c) 2014-2021 Simon Fraser University
 * Copyright (c) 2000-2021 John Willinsky
 * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
 *
 * @class SubmissionAgencyDAO
 *
 * @ingroup submission
 *
 * @see Submission
 *
 * @brief Operations for retrieving and modifying a submission's assigned agencies
 */

namespace PKP\submission;

use PKP\controlledVocab\ControlledVocab;
use PKP\controlledVocab\ControlledVocabDAO;
use PKP\core\PKPApplication;
use PKP\db\DAORegistry;

class SubmissionAgencyDAO extends ControlledVocabDAO
{
    public const CONTROLLED_VOCAB_SUBMISSION_AGENCY = 'submissionAgency';

    /**
     * Build/fetch and return a controlled vocabulary for agencies.
     *
     * @param int $publicationId
     * @param int $assocType DO NOT USE: For <3.1 to 3.x migration pkp/pkp-lib#3572 pkp/pkp-lib#6213
     *
     * @return ControlledVocab
     */
    public function build($publicationId, $assocType = PKPApplication::ASSOC_TYPE_PUBLICATION)
    {
        return parent::_build(self::CONTROLLED_VOCAB_SUBMISSION_AGENCY, $assocType, $publicationId);
    }

    /**
     * Get the list of localized additional fields to store.
     *
     * @return array
     */
    public function getLocaleFieldNames()
    {
        return ['submissionAgency'];
    }

    /**
     * Get agencies for a specified submission ID.
     *
     * @param int $publicationId
     * @param array $locales
     * @param int $assocType DO NOT USE: For <3.1 to 3.x migration pkp/pkp-lib#6213
     *
     * @return array
     */
    public function getAgencies($publicationId, $locales = [], $assocType = PKPApplication::ASSOC_TYPE_PUBLICATION)
    {
        $result = [];

        $agencies = $this->build($publicationId, $assocType);
        $submissionAgencyEntryDao = DAORegistry::getDAO('SubmissionAgencyEntryDAO'); /** @var SubmissionAgencyEntryDAO $submissionAgencyEntryDao */
        $submissionAgencies = $submissionAgencyEntryDao->getByControlledVocabId($agencies->getId());
        while ($agencyEntry = $submissionAgencies->next()) {
            $agency = $agencyEntry->getAgency();
            foreach ($agency as $locale => $value) {
                if (empty($locales) || in_array($locale, $locales)) {
                    $result[$locale][] = $value;
                }
            }
        }

        return $result;
    }

    /**
     * Get an array of all of the submission's agencies
     *
     * @return array
     */
    public function getAllUniqueAgencies()
    {
        $result = $this->retrieve('SELECT DISTINCT setting_value FROM controlled_vocab_entry_settings WHERE setting_name = ?', [self::CONTROLLED_VOCAB_SUBMISSION_AGENCY]);

        $agencies = [];
        foreach ($result as $row) {
            $agencies[] = $row->setting_value;
        }
        return $agencies;
    }

    /**
     * Add an array of agencies
     *
     * @param array $agencies List of agencies.
     * @param int $publicationId Submission ID.
     * @param bool $deleteFirst True iff existing agencies should be removed first.
     * @param int $assocType DO NOT USE: For <3.1 to 3.x migration pkp/pkp-lib#3572 pkp/pkp-lib#6213
     */
    public function insertAgencies($agencies, $publicationId, $deleteFirst = true, $assocType = PKPApplication::ASSOC_TYPE_PUBLICATION)
    {
        $agencyDao = DAORegistry::getDAO('SubmissionAgencyDAO'); /** @var SubmissionAgencyDAO $agencyDao */
        $submissionAgencyEntryDao = DAORegistry::getDAO('SubmissionAgencyEntryDAO'); /** @var SubmissionAgencyEntryDAO $submissionAgencyEntryDao */
        $currentAgencies = $this->build($publicationId, $assocType);

        if ($deleteFirst) {
            $existingEntries = $agencyDao->enumerate($currentAgencies->getId(), self::CONTROLLED_VOCAB_SUBMISSION_AGENCY);

            foreach ($existingEntries as $id => $entry) {
                $entry = trim($entry);
                $submissionAgencyEntryDao->deleteObjectById($id);
            }
        }
        if (is_array($agencies)) { // localized, array of arrays
            foreach ($agencies as $locale => $list) {
                if (is_array($list)) {
                    $list = array_unique($list); // Remove any duplicate keywords
                    $i = 1;
                    foreach ($list as $agency) {
                        $agencyEntry = $submissionAgencyEntryDao->newDataObject();
                        $agencyEntry->setControlledVocabId($currentAgencies->getId());
                        $agencyEntry->setAgency($agency, $locale);
                        $agencyEntry->setSequence($i);
                        $i++;
                        $submissionAgencyEntryDao->insertObject($agencyEntry);
                    }
                }
            }
        }
    }
}

if (!PKP_STRICT_MODE) {
    class_alias('\PKP\submission\SubmissionAgencyDAO', '\SubmissionAgencyDAO');
    define('CONTROLLED_VOCAB_SUBMISSION_AGENCY', SubmissionAgencyDAO::CONTROLLED_VOCAB_SUBMISSION_AGENCY);
}