import { Sequelize } from 'sequelize';
import SubscriberModel from './subscriber.js';
import MailingGroupModel from './mailingGroup.js';
import GroupSubscriberModel from './groupSubscriber.js';
import EmailTemplateModel from './emailTemplate.js';
import EmailTemplateVersionModel from './emailTemplateVersion.js';
import CampaignModel from './campaign.js';
import DeliveryLogModel from './deliveryLog.js';
import SmtpServerModel from './smtpServer.js';

const sequelize = new Sequelize(
  process.env.DB_NAME,
  process.env.DB_USER,
  process.env.DB_PASSWORD,
  {
    host: process.env.DB_HOST,
    port: process.env.DB_PORT,
    dialect: 'mysql',
    logging: false,
  }
);

const Subscriber = SubscriberModel(sequelize);
const MailingGroup = MailingGroupModel(sequelize);
const GroupSubscriber = GroupSubscriberModel(sequelize);
const EmailTemplate = EmailTemplateModel(sequelize);
const EmailTemplateVersion = EmailTemplateVersionModel(sequelize);
const Campaign = CampaignModel(sequelize);
const DeliveryLog = DeliveryLogModel(sequelize);
const SmtpServer = SmtpServerModel(sequelize);

// Связи
MailingGroup.belongsToMany(Subscriber, { through: GroupSubscriber, foreignKey: 'group_id', otherKey: 'subscriber_id' });
Subscriber.belongsToMany(MailingGroup, { through: GroupSubscriber, foreignKey: 'subscriber_id', otherKey: 'group_id' });
GroupSubscriber.belongsTo(MailingGroup, { foreignKey: 'group_id' });
GroupSubscriber.belongsTo(Subscriber, { foreignKey: 'subscriber_id' });

EmailTemplate.hasMany(EmailTemplateVersion, { foreignKey: 'template_id' });
EmailTemplateVersion.belongsTo(EmailTemplate, { foreignKey: 'template_id' });

Campaign.belongsTo(EmailTemplateVersion, { foreignKey: 'template_version_id' });
Campaign.belongsTo(MailingGroup, { foreignKey: 'group_id' });

DeliveryLog.belongsTo(Campaign, { foreignKey: 'campaign_id' });
DeliveryLog.belongsTo(Subscriber, { foreignKey: 'subscriber_id' });

// Удалены связи SmtpServer <-> MailingGroup по group_id

// (связи с user_id только по полю, без внешнего ключа на User)

export {
  sequelize,
  Subscriber,
  MailingGroup,
  GroupSubscriber,
  EmailTemplate,
  EmailTemplateVersion,
  Campaign,
  DeliveryLog,
  SmtpServer,
};