text: "use strict"; // Unable to allow undeclared variables
  
  const fs = require("fs");
  const path = require("path");
  const Sequelize = require("sequelize");
  const basename = path.basename(__filename); // path.basename() returns the last portion of a path (i.e., this filename)
  const env = process.env.NODE_ENV || "development";
  const config = require(__dirname + "/../../config/config.json")[env];
  const db = {};
  
  let sequelize;
  if (config.use_env_variable) {
    sequelize = new Sequelize(process.env[config.use_env_variable], config);
  } else {
    sequelize = new Sequelize(
      config.database,
      config.username,
      config.password,
      config
    );
  }
  
  // from what i understand, this is basically trying to read all the files under models and associate them
  fs.readdirSync(__dirname)
    .filter((file) => {
      return (
        file.indexOf(".") !== 0 && file !== basename && file.slice(-3) === ".js"
      );
    })
    .forEach((file) => {
      const model = sequelize.import(path.join(__dirname, file));
      const modelName = model.name.charAt(0).toUpperCase() + model.name.slice(1);
      db[modelName] = model;
    });
  
  Object.keys(db).forEach((modelName) => {
    if (db[modelName].associate) {
      db[modelName].associate(db);
    }
  });
  
  db.sequelize = sequelize;
  db.Sequelize = Sequelize;
  
  module.exports = db;
  