'use strict';
const { DataTypes } = require('sequelize');
const sequelize     = require('../../config/db.config');
const { Course }    = require('./courses.mdl');

const mdl_Product = sequelize.define('Product', {
  id:          { type: DataTypes.BIGINT, primaryKey: true, autoIncrement: true },
  course_id:   { type: DataTypes.BIGINT, allowNull: false },
  name:        { type: DataTypes.STRING(200), allowNull: false },
  description: { type: DataTypes.TEXT, allowNull: true },
  price:       { type: DataTypes.DECIMAL(10, 2), allowNull: false },
  currency:    { type: DataTypes.STRING(10), allowNull: false, defaultValue: 'USD' },
  access_days: { type: DataTypes.INTEGER, allowNull: true },
  is_active:   { type: DataTypes.BOOLEAN, allowNull: false, defaultValue: true },
}, {
  tableName:  'products',
  timestamps: true,
  paranoid:   true,
});

// A course has one product listing; a product belongs to one course
mdl_Product.belongsTo(Course, { foreignKey: 'course_id', as: 'course' });
Course.hasOne(mdl_Product,   { foreignKey: 'course_id', as: 'product' });

module.exports = mdl_Product;