import scala.util.chaining._
import scala.collection.immutable.ListMap

object aoc2023day15 {
  val demoInput: String = "rn=1,cm-,qp=3,cm=2,qp-,pc=4,ot=9,ab=5,pc-,pc=6,ot=7"

  def runningHash(input: String): Int =
    val currentValue = 0
    input.map(_.toInt).foldLeft(currentValue) {(currentValue, asciiCode) =>
      ((currentValue + asciiCode) * 17) % 256
    }

  def focusingPower(boxNumber: Int, index: Int, value: Int): Long =
    (boxNumber + 1) * (index + 1) * value

  @main
  def day15part1(): Unit =
    Source
      .fromResource("day15.txt")
      .getLines()
      .next()
      .split(',')
      .map(runningHash)
      .sum
      .pipe(println)

  @main
  def day15part2(): Unit =
    Source
      .fromResource("day15.txt")
      .getLines()
      .next()
      .split(',')
      .foldLeft(Map[Int, ListMap[String, Int]]()) { (boxes, instruction) =>
        instruction.split("[-=]") match
          case Array(label, value) =>
            val boxNumber = runningHash(label)
            boxes.updatedWith(boxNumber) {
              case Some(lenses) => Some(lenses.updated(label, value.toInt))
              case None => Some(ListMap(label -> value.toInt))
            }

          case Array(label) =>
            val boxNumber = runningHash(label)
            boxes.updatedWith(boxNumber) {
              case Some(lenses) => Some(lenses.removed(label))
              case _ => None
            }
      }
      .map { (k, v) => (k, v.zipWithIndex.map {
        case ((label, value), index) => focusingPower(k, index, value)
      }) }
      .values
      .map(_.sum)
      .sum
      .pipe(println)
}

def random_weighted_item(items):
    items = sorted(items, key=lambda x: x.weight)
    min_weight = min(i.weight for i in items)
    max_weight = max(i.weight for i in items)
    normalized_weights = [(i.weight - min_weight) / (max_weight - min_weight) for i in items]
    cumulative_sum = list(accumulate(normalized_weights))
    randomized_weight = random.random() * cumulative_sum[-1]
    index = next(i for i, e in enumerate(cumulative_sum) if e > randomized_weight)
    return items[index]

class HasWeight(Protocol):
    weight: int
    
T = TypeVar("T", bound=HasWeight)

def random_weighted_item(items: list[T]) -> T:
    ...

def random_weighted_item(items: list[T], weight: Callable[[T], int]) -> T:
    ...

def random_weighted_item(items: list[T], weight: Callable[[T], int] = lambda i: i.weight) -> T:

weighted_random_demo.py:44: error: "T" has no attribute "weight"  [attr-defined]
Found 1 error in 1 file (checked 1 source file)

import cowsay from 'npm:cowsay@1.6.0';

console.log(cowsay.say({
    text : "I'm a moooodule",
    e : "oO",
    T : "U "
}));

const res = await fetch('http://api.open-notify.org/astros.json');
const data = await res.json();
console.log(\There are ${data.number} astronauts currently in space\);

$ npx cowsay hello world
 _____________
< hello world >
 -------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

$ deno run npm:cowsay Hello world

┌ ⚠️  Deno requests read access to <CWD>.
├ Requested by \Deno.cwd()\ API.
├ Run again with --allow-read to bypass this prompt.
└ Allow? [y/n/A] (y = yes, allow; n = no, deny; A = allow all read permissions) >

✅ Granted read access to <CWD>.
┌ ⚠️  Deno requests env access to "_".
├ Run again with --allow-env to bypass this prompt.
└ Allow? [y/n/A] (y = yes, allow; n = no, deny; A = allow all env permissions) >

✅ Granted env access to "_".
┌ ⚠️  Deno requests read access to <main_module>.
├ Requested by \Deno.mainModule\ API.
├ Run again with --allow-read to bypass this prompt.
└ Allow? [y/n/A] (y = yes, allow; n = no, deny; A = allow all read permissions) >

✅ Granted read access to <CWD>.
✅ Granted env access to "_".
✅ Granted read access to <main_module>.
┌ ⚠️  Deno requests env access to "SHELL".
├ Run again with --allow-env to bypass this prompt.
└ Allow? [y/n/A] (y = yes, allow; n = no, deny; A = allow all env permissions) >

✅ Granted read access to <CWD>.
✅ Granted env access to "_".
✅ Granted read access to <main_module>.
✅ Granted env access to "SHELL".
┌ ⚠️  Deno requests read access to "/Users/ynonp/Library/Caches/deno/npm/registry.npmjs.org/cowsay/1.6.0/package.json".
├ Requested by \Deno.statSync()\ API.
├ Run again with --allow-read to bypass this prompt.
└ Allow? [y/n/A] (y = yes, allow; n = no, deny; A = allow all read permissions) >

✅ Granted read access to <CWD>.
✅ Granted env access to "_".
✅ Granted read access to <main_module>.
✅ Granted env access to "SHELL".
✅ Granted read access to "/Users/ynonp/Library/Caches/deno/npm/registry.npmjs.org/cowsay/1.6.0/package.json".
┌ ⚠️  Deno requests env access to "LC_ALL".
├ Run again with --allow-env to bypass this prompt.
└ Allow? [y/n/A] (y = yes, allow; n = no, deny; A = allow all env permissions) >

✅ Granted read access to <CWD>.
✅ Granted env access to "_".
✅ Granted read access to <main_module>.
✅ Granted env access to "SHELL".
✅ Granted read access to "/Users/ynonp/Library/Caches/deno/npm/registry.npmjs.org/cowsay/1.6.0/package.json".
✅ Granted env access to "LC_ALL".

┌ ⚠️  Deno requests env access to "LC_MESSAGES".
├ Run again with --allow-env to bypass this prompt.
└ Allow? [y/n/A] (y = yes, allow; n = no, deny; A = allow all env permissions) >

✅ Granted read access to <CWD>.
✅ Granted env access to "_".
✅ Granted read access to <main_module>.
✅ Granted env access to "SHELL".
✅ Granted read access to "/Users/ynonp/Library/Caches/deno/npm/registry.npmjs.org/cowsay/1.6.0/package.json".
✅ Granted env access to "LC_ALL".
✅ Granted env access to "LC_MESSAGES".
┌ ⚠️  Deno requests env access to "LANG".
├ Run again with --allow-env to bypass this prompt.
└ Allow? [y/n/A] (y = yes, allow; n = no, deny; A = allow all env permissions) >

✅ Granted read access to <CWD>.
✅ Granted env access to "_".
✅ Granted read access to <main_module>.
✅ Granted env access to "SHELL".
✅ Granted read access to "/Users/ynonp/Library/Caches/deno/npm/registry.npmjs.org/cowsay/1.6.0/package.json".
✅ Granted env access to "LC_ALL".
✅ Granted env access to "LC_MESSAGES".
✅ Granted env access to "LANG".
┌ ⚠️  Deno requests env access to "LANGUAGE".
├ Run again with --allow-env to bypass this prompt.
└ Allow? [y/n/A] (y = yes, allow; n = no, deny; A = allow all env permissions) >

✅ Granted read access to <CWD>.
✅ Granted env access to "_".
✅ Granted read access to <main_module>.
✅ Granted env access to "SHELL".
✅ Granted read access to "/Users/ynonp/Library/Caches/deno/npm/registry.npmjs.org/cowsay/1.6.0/package.json".
✅ Granted env access to "LC_ALL".
✅ Granted env access to "LC_MESSAGES".
✅ Granted env access to "LANG".
✅ Granted env access to "LANGUAGE".
┌ ⚠️  Deno requests read access to "/Users/ynonp/Library/Caches/deno/npm/registry.npmjs.org/cowsay/1.6.0/cows/default.cow".
├ Requested by \Deno.readFileSync()\ API.
├ Run again with --allow-read to bypass this prompt.
└ Allow? [y/n/A] (y = yes, allow; n = no, deny; A = allow all read permissions) >


✅ Granted read access to <CWD>.
✅ Granted env access to "_".
✅ Granted read access to <main_module>.
✅ Granted env access to "SHELL".
✅ Granted read access to "/Users/ynonp/Library/Caches/deno/npm/registry.npmjs.org/cowsay/1.6.0/package.json".
✅ Granted env access to "LC_ALL".
✅ Granted env access to "LC_MESSAGES".
✅ Granted env access to "LANG".
✅ Granted env access to "LANGUAGE".
✅ Granted read access to "/Users/ynonp/Library/Caches/deno/npm/registry.npmjs.org/cowsay/1.6.0/cows/default.cow".
 _____________
< Hello world >
 -------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

brew install nushell

ls                                                                                                                                                  27/03/24 18:00:15
╭───┬───────────┬──────┬───────┬────────────────╮
│ # │   name    │ type │ size  │    modified    │
├───┼───────────┼──────┼───────┼────────────────┤
│ 0 │ 02-one    │ dir  │  64 B │ 2 hours ago    │
│ 1 │ 03-two    │ dir  │  64 B │ 2 hours ago    │
│ 2 │ 04-three  │ dir  │  64 B │ 2 hours ago    │
│ 3 │ carlos.py │ file │ 643 B │ 35 minutes ago │
│ 4 │ clone.nu  │ file │ 153 B │ 2 hours ago    │
│ 5 │ inc.nu    │ file │ 229 B │ an hour ago    │
╰───┴───────────┴──────┴───────┴────────────────╯

ls | select name size

╭───┬────────────────────────┬───────────╮
│ # │          name          │   size    │
├───┼────────────────────────┼───────────┤
│ 0 │ 03-one                 │      64 B │
│ 1 │ 04-two                 │      64 B │
│ 2 │ 05-three               │      64 B │
│ 3 │ career-craft-ai-bg.jpg │ 225.3 KiB │
│ 4 │ clone.nu               │     153 B │
│ 5 │ inc.nu                 │     229 B │
│ 6 │ text.txt               │      82 B │
│ 7 │ wiki.nu                │     239 B │
╰───┴────────────────────────┴───────────╯

def main [value] {
    let url = $"https://en.wikipedia.org/w/api.php?action=query&prop=revisions&titles=($value)&rvslots=*&rvprop=content&formatversion=2&format=json"
    http get $url | get query.pages.0.revisions.0.slots.main.content
}

query.pages.0.revisions.0.slots.main.content

nu wiki.nu Pet_door

ls [0-9]* 

27/03/24 18:07:58
╭───┬──────────┬──────┬──────┬─────────────╮
│ # │   name   │ type │ size │  modified   │
├───┼──────────┼──────┼──────┼─────────────┤
│ 0 │ 02-one   │ dir  │ 64 B │ 2 hours ago │
│ 1 │ 03-two   │ dir  │ 64 B │ 2 hours ago │
│ 2 │ 04-three │ dir  │ 64 B │ 2 hours ago │
╰───┴──────────┴──────┴──────┴─────────────╯

ls [0-9]*

╭───┬──────────┬──────┬──────┬─────────────╮
│ # │   name   │ type │ size │  modified   │
├───┼──────────┼──────┼──────┼─────────────┤
│ 0 │ 03-one   │ dir  │ 64 B │ 2 hours ago │
│ 1 │ 04-two   │ dir  │ 64 B │ 2 hours ago │
│ 2 │ 05-three │ dir  │ 64 B │ 2 hours ago │
╰───┴──────────┴──────┴──────┴─────────────╯

for f in (ls [0-9]* | get name) {
  let newname = $f | parse '{n}-{name}' | into int n | update n {|row| $row.n + 1 } | each {|row| [($row.n | fill -a right -c '0' -w 2), "-", $row.name] | str join } | get 0
  mv $f $newname
}

def main [...destinations] {
    let sourceFile = $env.FILE_PWD + "/clone.nu"
    for output in $destinations {
        cp $sourceFile $output
    }
}

import { readLines } from "https://deno.land/std@0.221.0/io/read_lines.ts";
import * as path from "https://deno.land/std@0.221.0/path/mod.ts";

const filename = path.join(Deno.cwd(), "std/io/README.md");
let fileReader = await Deno.open(filename);

for await (let line of readLines(fileReader)) {
  console.log(line);
}

const file = await Deno.open("a.js", { read: true });
const readableStream = file.readable.pipeThrough(new TextDecoderStream()).pipeThrough(new TransformStream({
  transform: (chunk, controller) => {
    const lines = chunk.split("\n");
    for (const line of lines) {
      if (line) {
        controller.enqueue(line);
      }
    }
  },
}));

for await (const line of readableStream) {
  console.log(\> ${line}\);
}

import readline from 'node:readline';
import fs from 'node:fs';

const myName = "a.js";

const rl = readline.createInterface({
  input: fs.createReadStream(myName),
})

let index = 0;
rl.on('line', (line) => {
  index += 1;
  console.log(\${String(index).padStart(2, '0')} ${line}\);
});

g
  .V()
  .has(VertexLabels.Card, Properties.IndexedLabel, VertexLabels.Card)
  .where(__.and(
    __.out(EdgeLabels.Front).hasId(front.entityId),
    __.out(EdgeLabels.Back).hasId(back.entityId)))
  .fold()
  .coalesce(
    __.unfold(),
    __.addV(VertexLabels.Card)
      .as("card")
      .addTimestampsProperties()
      .property(Properties.IndexedLabel, VertexLabels.Card)
      .asCard()
      .addE(EdgeLabels.Front).to(__.V(front.entityId))
      .select("card")
      .addE(EdgeLabels.Back).to(__.V(back.entityId))
      .select("card"))
  .id()
  .next()

    val id = g
      .V(front.entityId)
      .coalesce(
        __.in(EdgeLabels.Front).where(__.out(EdgeLabels.Back).hasId(back.entityId)),
        __.addV(VertexLabels.Card)
          .as("card")
          .addTimestampsProperties()
          .property(Properties.IndexedLabel, VertexLabels.Card)
          .asCard()
          .addE(EdgeLabels.Front).to(__.V(front.entityId))
          .select("card")
          .addE(EdgeLabels.Back).to(__.V(back.entityId))
          .select("card")
      ).id()
      .next()

import fs from 'node:fs';
import stream from 'node:stream';

const sin = stream.Readable.toWeb(fs.createReadStream('text.md'));
for await (const chunk of sin) {
  console.log(chunk);
}

Uint8Array(15143) [
   35,  32, 215, 156, 215, 162, 215, 169, 215, 149, 215, 170,
   32, 215, 144, 215, 170,  32, 215, 148, 215, 144, 215, 153,
  215, 158, 215, 153, 215, 153, 215, 156,  32, 215, 160, 215,
  164, 215, 156, 215, 144,  32, 215, 169, 215, 149, 215, 145,
   10, 215, 144, 215, 153, 215, 158, 215, 153, 215, 153, 215,
  156,  32, 215, 148, 215, 149, 215, 144,  32, 215, 155, 215,
  160, 215, 168, 215, 144, 215, 148,  32, 215, 144, 215, 151,
  215, 147,  32, 215, 148, 215, 158, 215, 167, 215, 149, 215,
  158, 215, 149, 215,
  ... 15043 more items
]

import fs from 'node:fs';
import stream from 'node:stream';

const sin = stream
  .Readable
  .toWeb(fs.createReadStream('/etc/shells'))
  .pipeThrough(new TextDecoderStream());

for await (const chunk of sin) {
  console.log(chunk);
}

import fs from 'node:fs';
import stream from 'node:stream';

const sout = stream
  .Writable
  .toWeb(fs.createWriteStream('demo.bin'));

const writer = sout.getWriter();
const data = new Uint8Array(10).fill(0).map((_, i) => i);
await writer.write(data);
writer.close();

import fs from 'node:fs';
import stream from 'node:stream';

const sin = stream
  .Readable
  .toWeb(fs.createReadStream('/etc/shells'));

const sout = stream
  .Writable
  .toWeb(fs.createWriteStream('shells.txt'));

sin.pipeTo(sout);