'use strict';

module.exports = {
  async up(queryInterface, Sequelize) {
    await queryInterface.createTable('admin_notifications', {
      notification_id: { type: Sequelize.BIGINT, primaryKey: true, autoIncrement: true },
      type:            { type: Sequelize.STRING(64), allowNull: false },
      title:           { type: Sequelize.STRING(255), allowNull: false },
      message:         { type: Sequelize.TEXT, allowNull: false },
      data:            { type: Sequelize.JSONB, allowNull: true, defaultValue: null },
      seen:            { type: Sequelize.BOOLEAN, allowNull: false, defaultValue: false },
      seen_at:         { type: Sequelize.DATE, allowNull: true, defaultValue: null },
      createdAt:       { type: Sequelize.DATE, allowNull: false },
      updatedAt:       { type: Sequelize.DATE, allowNull: false },
    });

    await queryInterface.addIndex('admin_notifications', { fields: ['seen'],      name: 'idx_an_seen'       });
    await queryInterface.addIndex('admin_notifications', { fields: ['type'],      name: 'idx_an_type'       });
    await queryInterface.addIndex('admin_notifications', { fields: ['createdAt'], name: 'idx_an_created_at' });
  },

  async down(queryInterface) {
    await queryInterface.dropTable('admin_notifications');
  },
};