Health Status Test Solution

warnTheDeveloper.js

/**
 * Gets the seat number of the develper to get the last sweet
 * of some sweets distributed as a treat to developers. The last sweet
 * happens to taste AWFUL.
 *
 * @param n Number of developers
 * @param m Number of sweets
 * @param s Chair number to begin passing out sweets
 *
 * @returns Seat number of the developer to be warned
 */

function warnTheDeveloper(n, m, s) {
	if (typeof n !== 'number' || typeof m !== 'number' || typeof s !== 'number') {
		// Assuming we can't have neither of developers, sweets nor chair numbers to be zero
		if (n < 1 || m < 1 || s < 1) return 'Number has to be greater than 1';

		return 'Provide a valid number';
	}

	let developerSeatNumber;
	const sweetsLeftAfterPossiblyGoingRound = m % n;

  // Starting from the first person while sweets can go round
	if (sweetsLeftAfterPossiblyGoingRound === 0 && s === 1) {
		return n;
	}

	developerSeatNumber = s + sweetsLeftAfterPossiblyGoingRound - 1;

	return developerSeatNumber;
}