package day01

import "aoc2015/aoclib"

func Part1(puzzle aoclib.Puzzle) interface{} {
	line := puzzle.GetInputArray()[0]
	answer := 0
	for _, c := range line {
		if c == '(' {
			answer++
		} else {
			answer--
		}
	}

	return answer
}

func Part2(puzzle aoclib.Puzzle) interface{} {
	line := puzzle.GetInputArray()[0]
	answer := 0
	for x, c := range line {
		if c == '(' {
			answer++
		} else {
			answer--
		}
		if answer < 0 {
			return x + 1
		}
	}

	return -1
}