const { DataTypes } = require('sequelize');
const { sequelize } = require('../config/database');

const Notification = sequelize.define('Notification', {
  id: {
    type: DataTypes.INTEGER.UNSIGNED,
    primaryKey: true,
    autoIncrement: true
  },
  userId: {
    type: DataTypes.INTEGER.UNSIGNED,
    allowNull: false,
    references: {
      model: 'Users',
      key: 'id'
    }
  },
  title: {
    type: DataTypes.STRING,
    allowNull: false
  },
  message: {
    type: DataTypes.TEXT,
    allowNull: false
  },
  icon: {
    type: DataTypes.STRING,
    defaultValue: 'pi pi-info-circle'
  },
  type: {
    type: DataTypes.ENUM('info', 'success', 'warning', 'error'),
    defaultValue: 'info'
  },
  read: {
    type: DataTypes.BOOLEAN,
    allowNull: false,
    defaultValue: false
  },
  link: {
    type: DataTypes.STRING,
    allowNull: true,
    defaultValue: null
  },
  createdAt: {
    type: DataTypes.DATE,
    allowNull: false,
    defaultValue: DataTypes.NOW
  },
  updatedAt: {
    type: DataTypes.DATE,
    allowNull: false,
    defaultValue: DataTypes.NOW
  }
}, {
  timestamps: true,
  tableName: 'Notifications'
});

Notification.associate = (models) => {
  Notification.belongsTo(models.User, { foreignKey: 'userId' });
};

module.exports = Notification;