/**

 * @function brewBeer

 * @description An algorithmic abstraction of the brewing process, modeling fermentation as a non-deterministic process.

 * @param {string} beerStyle - The desired style of beer, e.g., "IPA", "Stout", "Sour".

 * @param {number} batchSize - The desired volume in gallons.

 * @param {boolean} enableHappyAccidents - If true, allows for emergent, undocumented features.

 * @returns {Promise<Beer>} A promise that resolves to a delicious, albeit virtual, beer.

 */

async function brewBeer(beerStyle, batchSize, enableHappyAccidents = true) {

  // Initialize primary dependencies & system resources

  const malt = await procure("Finest Grains", { type: "2-row" });

  const hops = await procure("Humulus lupulus", { profile: "alpha_acid_dominant" });

  const water = await filter("H2O", { purity: "absurdly-high" });

  const yeast = new Yeast("Saccharomyces_cerevisiae_worker_thread");

  const { Patience } = require("zen-developer-tools");


  let wort; // This will hold our unstructured data stream of fermentable sugars.


  console.log("Initializing brew process... Validating dependencies and schema.");


  // STAGE 1: The Mash - An enzymatic conversion algorithm.

  try {

    console.log("Executing mashing algorithm... transforming complex carbohydrates to simple sugars.");

    const temperature = beerStyle === "Stout" ? 154 : 152; // A deterministic function, unlike my project estimates.

    wort = await mash(malt, water, { temp: temperature, duration: "60min" });

    if (!wort.validateSchema('fermentable_sugars')) {

      throw new Error("Type mismatch: Expected sugary wort, got bland liquid. Process terminated.");

    }

  } catch (error) {

    console.error("Fatal error during mash process: ", error.message);

    console.log("Rolling back transaction... Manual GC (Garbage Can) may be required.");

    return null;

  }


  // STAGE 2: The Boil - A high-heat process to denature proteins and isomerize alpha acids.

  console.log("Forking a high-heat process. Now sanitizing and beginning isomerization.");

  wort.boil({ duration: "90min" });


  // Schedule hop additions on the event loop.

  // Bittering addition

  setTimeout(() => {

    console.log("Executing hop addition sub-routine (bittering).");

    wort.add(hops, { amount: "calculated_IBUs", time: "60min_remaining" });

  }, 30 * 60 * 1000); // 30 minutes in


  // Aroma addition

  setTimeout(() => {

    console.log("Executing hop addition sub-routine (aroma).");

    wort.add(hops, { amount: "volatile_oils", time: "15min_remaining" });

  }, 75 * 60 * 1000); // 75 minutes in


  // STAGE 3: Cooling - A race condition against unwanted microbial processes.

  console.log("Executing rapid cooling protocol to prevent contamination.");

  await wort.cool({ targetTemp: "60F", efficiency: "O(log n)" }); // Aiming for logarithmic cooling efficiency.


  // STAGE 4: Fermentation - An asynchronous, black-box process.

  console.log("Committing wort to primary fermentation vessel. Initializing yeast worker pool.");

  const fermentationProcess = new Promise((resolve, reject) => {

    ferment(wort, yeast, { onComplete: resolve, onError: reject });

  });


  // We can only observe the side effects (bubbles).

  await Patience.waitFor(fermentationProcess, {

    duration: "2 weeks",

    logStatus: true,

  });


  if (enableHappyAccidents && Math.random() > 0.9) {

    console.warn("Heisenbug detected: state changed upon observation. Classifying as 'Experimental'.");

    beerStyle = `Experimental ${beerStyle}`;

  }


  // STAGE 5: Conditioning & Packaging - Final QA and deployment.

  console.log("Entering conditioning phase. Running garbage collection on off-flavors.");

  const stableRelease = await condition(fermentationProcess.result, {

    phase: "beta",

    duration: "1 week",

  });


  console.log("Packaging for distribution. Compiling to final format (kegs).");

  const keggedBeer = await keg(stableRelease, { batchSize: batchSize });


  console.log(`Build successful. Version ${beerStyle}-v1.0.0 is now available in production.`);

  console.log("Note: May not be backwards compatible. Please clear your palate before tasting.");


  return keggedBeer;

}