Airplane Seatplan

Airplane Seatplan.js

var seatplan = [
	[3, 4],
	[4, 5],
	[2, 3],
	[3, 4],
];
// var seatplan = [
// 	[3, 2],
// 	[4, 3],
// 	[2, 3],
// 	[3, 4],
// ];
passengers = 36;

var complete_seatplan = [];
for (var i = 0; i < seatplan.length; i++) {
	var row = seatplan[i];
	var matrix = [];
	for (var j = 0; j < row[1]; j++) {
		var row_mat = [];
		for (var k = 0; k < row[0]; k++) {
			row_mat.push(0);
		}
		matrix.push(row_mat);
	}
	complete_seatplan.push(matrix);
}

// corners columns
var corners = [0, complete_seatplan.length - 1];
var seat_count = 0;
var total_iterations = 0;
var i = 0;
var j = 0;
var k = 0;
var undefined_count = 0;
var passenger_count = 0;

while (total_iterations < 3) {
	if (i >= complete_seatplan.length) {
		i = 0;
		j++;
	}
	var row_matrix = complete_seatplan[i][j];

	if (row_matrix === undefined) {
		i++;
		undefined_count++;
		if (undefined_count === complete_seatplan.length) {
			// if all rows are undefined, then move to next iteration of seat assignment (Aisle, Window, Middle)
			undefined_count = 0;
			total_iterations++;
			i = 0;
			j = 0;
			k = 0;
		}
	} else {
		undefined_count = 0;
	}
	if (corners.includes(i) && i === corners[0]) {
		if (row_matrix !== undefined) {
			if (total_iterations === 0) {
				// total_iterations = 0 means Aisle seats
				seat_count = seat_count + 1;
				// if assigned all passengers, then break
				if (seat_count === passengers) break;
				row_matrix[row_matrix.length - 1] = `A${seat_count}`;
				i++; // move to next column
			} else if (total_iterations === 1) {
				// total_iterations = 1 means Window seats
				seat_count = seat_count + 1;
				// if assigned all passengers, then break
				if (seat_count === passengers) break;
				row_matrix[0] = `W${seat_count}`;
				i++; // move to next column
			} else if (total_iterations === 2) {
				// total_iterations = 2 means Middle seats
				for (var l = 1; l < row_matrix.length - 1; l++) {
					// iterate through middle seats (excluding aisle and window seats)
					seat_count = seat_count + 1;
					// if assigned all passengers, then break
					if (seat_count === passengers) break;
					row_matrix[l] = `M${seat_count}`;
				}
				i++; // move to next column
			}
		}
	} else if (corners.includes(i) && i === corners[1]) {
		if (row_matrix !== undefined) {
			if (total_iterations === 0) {
				seat_count = seat_count + 1;
				if (seat_count > passengers) break;
				row_matrix[0] = `A${seat_count}`;
				i = 0;
				j++;
			} else if (total_iterations === 1) {
				seat_count = seat_count + 1;
				if (seat_count > passengers) break;
				row_matrix[row_matrix.length - 1] = `W${seat_count}`;
				i = 0;
				j++;
			} else if (total_iterations === 2) {
				for (var l = 1; l < row_matrix.length - 1; l++) {
					seat_count = seat_count + 1;
					if (seat_count > passengers) break;
					row_matrix[l] = `M${seat_count}`;
				}
				i = 0;
				j++;
			}
		}
	} else {
		if (row_matrix !== undefined) {
			if (total_iterations === 0) {
				seat_count = seat_count + 1;
				if (seat_count > passengers) break;
				row_matrix[k] = `A${seat_count}`;
				seat_count = seat_count + 1;
				if (seat_count > passengers) break;
				row_matrix[row_matrix.length - 1] = `A${seat_count}`;
				i++;
			} else if (total_iterations === 1) {
				i++;
			} else if (total_iterations === 2) {
				for (var l = 1; l < row_matrix.length - 1; l++) {
					seat_count = seat_count + 1;
					if (seat_count > passengers) break;
					row_matrix[l] = `M${seat_count}`;
				}
				i++;
			}
		}
	}
}

for (var i = 0; i < complete_seatplan.length; i++) {
	var row = complete_seatplan[i];
	for (var j = 0; j < row.length; j++) {
		var row_mat = row[j];
		console.log(row_mat);
	}
	console.log();
}