module.exports = Self => {
    Self.observe('after save', async ctx => {
        const instance = ctx.data || ctx.instance;
        const models = Self.app.models;
        const options = ctx.options;
        const notificationName = 'backup-printer-selected';
        const userId = ctx.options.accessToken?.userId || instance.workerFk;

        if (!instance?.sectorFk || !instance?.labelerFk) return;

        const sector = await models.Sector.findById(instance.sectorFk, {
            fields: ['backupPrinterFk']
        }, options);

        if (sector.backupPrinterFk && sector.backupPrinterFk == instance.labelerFk) {
            const {labelerFk, sectorFk} = instance;

            const {backupPrinterNotificationDelay} = await models.ProductionConfig.findOne();
            if (backupPrinterNotificationDelay) {
                const notifications = await models.NotificationQueue.find(
                    {where: {created: {gte: Date.vnNow() - (backupPrinterNotificationDelay * 1000) + (3600 * 1000)},
                        notificationFk: notificationName,
                        status: 'sent'
                    }
                    });

                const criteria = {labelerId: labelerFk, sectorId: sectorFk};
                const filteredNotifications = notifications.filter(notification => {
                    const paramsObj = JSON.parse(notification.params);
                    return Object.keys(criteria).every(key => criteria[key] === paramsObj?.[key]);
                });

                if (filteredNotifications.length >= 1)
                    throw new Error('Previous notification sended with the same parameters');
            }

            await models.NotificationQueue.create({
                notificationFk: notificationName,
                authorFk: userId,
                params: JSON.stringify(
                    {
                        'labelerId': instance.labelerFk,
                        'sectorId': instance.sectorFk,
                        'workerId': userId
                    }
                )
            });
        }
    });
};