const { DataTypes } = require("sequelize");
const sequelize = require("../../config/db.config");
const mdl_Users = require("../users/users.mdl");

const Course = sequelize.define("Course", {

  course_id: { type: DataTypes.BIGINT, primaryKey: true, autoIncrement: true },
  uuid: { type: DataTypes.UUID, defaultValue: DataTypes.UUIDV4, allowNull: false, unique: true },

  title: { type: DataTypes.STRING(255), allowNull: false, label: "Title" },
  description: { type: DataTypes.TEXT, allowNull: true, label: "Description" },
  order_index: { type: DataTypes.INTEGER, allowNull: false, defaultValue: 0, label: "Order" },

  createdBy: { type: DataTypes.BIGINT, allowNull: true, label: "Created By" },
  updatedBy: { type: DataTypes.BIGINT, allowNull: true, label: "Updated By" },
  deletedBy: { type: DataTypes.BIGINT, allowNull: true, label: "Deleted By" },

}, {
  tableName: "courses",
  timestamps: true,
  paranoid: true,
  indexes: [
    { fields: ["uuid"] },
    { fields: ["order_index"] },
    { fields: ["deletedAt"] },
  ],
});

Course.belongsTo(mdl_Users, { as: "creator", foreignKey: "createdBy" });
Course.belongsTo(mdl_Users, { as: "updater", foreignKey: "updatedBy" });

module.exports = Course;