'use strict';

module.exports = {
  async up(queryInterface, Sequelize) {
    await queryInterface.createTable('user_notifications', {
      notification_id:        { type: Sequelize.BIGINT, primaryKey: true, autoIncrement: true },
      user_id:                { type: Sequelize.BIGINT, allowNull: false, references: { model: 'users', key: 'user_id' }, onDelete: 'CASCADE' },
      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 },
      show_in_notifications:  { type: Sequelize.BOOLEAN, allowNull: false, defaultValue: true },
      show_in_sticky:         { type: Sequelize.BOOLEAN, allowNull: false, defaultValue: false },
      color:                  { type: Sequelize.STRING(20), allowNull: false, defaultValue: 'indigo' },
      start_date:             { type: Sequelize.DATE, allowNull: true },
      end_date:               { type: Sequelize.DATE, allowNull: true },
      broadcast_id:           { type: Sequelize.BIGINT, allowNull: true, references: { model: 'notification_broadcasts', key: 'broadcast_id' }, onDelete: 'SET NULL' },
      createdAt:              { type: Sequelize.DATE, allowNull: false },
      updatedAt:              { type: Sequelize.DATE, allowNull: false },
    });

    await queryInterface.addIndex('user_notifications', { fields: ['user_id'],          name: 'idx_un_user_id'    });
    await queryInterface.addIndex('user_notifications', { fields: ['user_id', 'seen'],  name: 'idx_un_seen'       });
    await queryInterface.addIndex('user_notifications', { fields: ['type'],             name: 'idx_un_type'       });
    await queryInterface.addIndex('user_notifications', { fields: ['createdAt'],        name: 'idx_un_created_at' });
  },

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