<?php

require_once dirname(__FILE__).'/../vendor/autoload.php';

use Doctrine\DBAL\Connection;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\DBAL\Types\Types;

class PersoSchema extends Schema
{
    /**
     * @var Connection
     */
    private $connection;

    private $options;

    private $sm;

    private $publiTable;

    private $publiHistory;

    private $currentTime;

    private $confirmMessage;

    /**
     * @param array $options the options could be use to make the table names configurable
     */
    public function __construct(array $options = [], Connection $connection = null)
    {
        $this->connection = $connection;
        $schemaConfig = null === $connection ? null : $connection->getSchemaManager()->createSchemaConfig();

        parent::__construct([], [], $schemaConfig);

        $this->options = $options;

        $this->sm = $connection->getSchemaManager();

        $this->addPublications();

        $this->currentTime = new DateTimeImmutable();
        $this->addCitationHistory();
        $this->addConfirmMessage();
    }

    public function migrate()
    {
        $oldSchema = $this->sm->createSchema();

        $db_platform = $this->connection->getDatabasePlatform();
        foreach ($oldSchema->getMigrateToSql($this, $db_platform) as $sql) {
            $this->connection->executeStatement($sql);
        }

        return true;
    }

    public function addPublications()
    {
        $publiTable = $this->createTable('publications');
        $publiTable->addColumn('id', 'integer', ['unsigned' => true, 'customSchemaOptions' => ['unique' => true]]);
        $publiTable->addColumn('arxiv', 'string', ['length' => 20, 'notnull' => false]);
        $publiTable->addColumn('owned', 'boolean');
        $publiTable->addColumn('doi', 'string', ['length' => 100, 'notnull' => false]);
        $publiTable->addColumn('ads', 'string', ['length' => 100]);
        $publiTable->addColumn('ads_docid', 'integer', ['unsigned' => true]);
        $publiTable->addColumn('title', 'string', ['length' => 200]);
        $publiTable->addColumn('authors', Types::JSON);
        $publiTable->addColumn('citation_count', Types::INTEGER, ['unsigned' => true]);
        $publiTable->addColumn('year', Types::INTEGER, ['unsigned' => true]);
        $publiTable->addColumn('date', Types::DATETIME_IMMUTABLE);
        $publiTable->addColumn('journal', Types::STRING, ['notnull' => false, 'length' => 256]);
        $publiTable->addColumn('page', Types::STRING, ['notnull' => false, 'length' => 24]);
        $publiTable->addColumn('volume', Types::STRING, ['notnull' => false, 'length' => 24]);
        $publiTable->setPrimaryKey(['id']);
        //  $schema->createSequence("publi_table_seq");
    }

    public function addConfirmMessage()
    {
        $confirmMessage = $this->createTable('confirm_message');
        $confirmMessage->addColumn('id', Types::INTEGER, ['unsigned' => true]);
        $confirmMessage->addColumn('token', Types::STRING, ['length' => 24, 'notnull' => true]);
        $confirmMessage->addColumn('sender_name', Types::STRING, ['length' => 80]);
        $confirmMessage->addColumn('sender_email', Types::STRING, ['length' => 80]);
        $confirmMessage->addColumn('body', Types::STRING, ['length' => 1000]);
    }

    public function addCitationHistory()
    {
        $publiHistory = $this->createTable('citation_history');
        $publiHistory->addColumn('id', Types::INTEGER, ['unsigned' => true]);
        $publiHistory->addColumn('date', Types::DATETIME_IMMUTABLE);
        $publiHistory->addColumn('citation_count', Types::INTEGER, ['unsigned' => true]);
    }

    public function insertPublication(array $doc, bool $update = false)
    {
        $data = [
            'id' => intval($doc['id']),
            'ads' => $doc['bibcode'],
            'title' => $doc['title'][0],
            'ads_docid' => intval($doc['id']),
            'authors' => $doc['author'],
            'citation_count' => intval($doc['citation_count']),
            'year' => intval($doc['year']),
            'date' => new DateTimeImmutable($doc['date']),
            'journal' => $doc['pub'] ?? null,
            'page' => $doc['page'][0] ?? null,
            'volume' => $doc['volume'] ?? null,
        ];
        // echo "Inserting " . json_encode($doc);
        if (!array_key_exists('doi', $doc) || count($doc['doi']) == 0) {
            $doi = null;
        } else {
            $data['doi'] = $doc['doi'][0];
        }
        if (array_key_exists('identifier', $doc)) {
            foreach ($doc['identifier'] as $pubid) {
                if (str_starts_with($pubid, 'arXiv:')) {
                    $data['arxiv'] = substr($pubid, 6);
                    break;
                }
            }
        }
        $types = ['authors' => Types::JSON, 'date' => Types::DATETIME_IMMUTABLE];
        if ($update) {
            $this->connection->update(
                'publications',
                $data,
                ['id' => $data['id']],
                $types
            );
        } else {
            $data['owned'] = true;
            $this->connection->insert(
                'publications',
                $data,
                $types
            );
        }
    }

    public function refreshHistory(array $doc)
    {
        $data = [
            'id' => intval($doc['id']),
            'date' => $this->currentTime,
            'citation_count' => intval($doc['citation_count']),
        ];
        $types = ['date' => Types::DATETIME_IMMUTABLE];
        $this->connection->insert(
            'citation_history',
            $data,
            $types
        );
    }

    public function submitMessage(string $name, string $email, string $message)
    {
        $data = [
            'sender_name' => $name,
            'sender_email' => $email,
            'message' => $message,
            'token' => $mytoken,
        ];
        $this->connection->insert(
            'confirm_message',
            $data
        );

        $mail = new PHPMailer(true);

        try {
            // Server settings
            $mail->isSMTP();                                            // Send using SMTP
            $mail->Host = 'smtp.iap.fr';                     // Set the SMTP server to send through
            $mail->Port = 587;                                    // TCP port to connect to; use 587 if you have set `SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS`

            // Recipients
            $mail->setFrom('@iap.fr', 'Web Mailer');
            $mail->addAddress($email, 'submitter');     // Add a recipient

            // Content
            $mail->isHTML(false);                                  // Set email format to HTML
            $mail->Subject = 'Guilhem website: confirm message';
            $mail->Body = $confirm_body;

            $mail->send();
            $result_summary = 'Successfully sent';
            $result = 'Message has been sent';
        } catch (Exception $e) {
            $result_summary = 'Error sending message';
            $result = "Message could not be sent. Mailer Error: {$mail->ErrorInfo}";
        }
    }

    public function confirmMessage(string $token)
    {
        // Create an instance; passing `true` enables exceptions
        $mail = new PHPMailer(true);
        $tpl = $m->loadTemplate('email_sent');

        try {
            // Server settings
            $mail->isSMTP();                                            // Send using SMTP
            $mail->Host = 'smtp.iap.fr';                     // Set the SMTP server to send through
            $mail->Port = 587;                                    // TCP port to connect to; use 587 if you have set `SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS`

            // Recipients
            $mail->setFrom('guilhem.lavaux@iap.fr', 'Web Mailer');
            $mail->addAddress('guilhem.lavaux@iap.fr', 'Guilhem Lavaux');     // Add a recipient
            $mail->addReplyTo($email, $name);

            // Content
            $mail->isHTML(false);                                  // Set email format to HTML
            $mail->Subject = 'Guilhem website: Message from '.$name;
            $mail->Body = $message;

            $mail->send();
            $result_summary = 'Successfully sent';
            $result = 'Message has been sent';
        } catch (Exception $e) {
            $result_summary = 'Error sending message';
            $result = "Message could not be sent. Mailer Error: {$mail->ErrorInfo}";
        }
    }
}