helper.js

export const sleep = (ms) => {
  return new Promise((resolve) => setTimeout(resolve, ms));
};

const baseBarClass = "bar rounded-md transition-all duration-300 text-center";

export const classLists = {
  initial: `${baseBarClass} bg-blue-200`,
  pointer1: `${baseBarClass} bg-red-500`,
  pointer2: `${baseBarClass} bg-blue-500`,
  middle: `${baseBarClass} bg-yellow-500`,
  done: `${baseBarClass} bg-green-500`,
};

export const generateRandomArray = (num) => {
  const arr = [];

  for (let i = 0; i < num; i++) {
    // Random number between 10 and 100 (inclusive)
    const randomValue = Math.floor(Math.random() * (100 - 10 + 1)) + 10;
    arr.push(randomValue);
  }

  return arr;
};

export const toggleControls = (btn1,btn2, state) => {
  btn1.disabled = state;
  btn2.disabled = state;
};


//path
const COLS = 20;
export const getRowCol = (index) => {
  return {
    row: Math.floor(index / COLS),
    col: index % COLS
  };
};

export const getIndex = (row, col) => {
  return row * COLS + col;
};


export const getNeighbors = (index, totalCells) => {
  const { row, col } = getRowCol(index);
  const neighbors = [];

  const directions = [
    [0, 1],  // right
    [0, -1], // left
    [1, 0],  // down
    [-1, 0]  // up
  ];

  for (let [dr, dc] of directions) {
    const newRow = row + dr;
    const newCol = col + dc;

    if (
      newRow >= 0 &&
      newCol >= 0 &&
      getIndex(newRow, newCol) < totalCells &&
      newCol < COLS
    ) {
      neighbors.push(getIndex(newRow, newCol));
    }
  }

  return neighbors;
};