package main

import (
	"fmt"

	h "git.bullercodeworks.com/brian/adventofcode/helpers"
)

func main() {
	inp := h.StdinToStringSlice()
	part1(inp)
	part2(inp)
}

func part1(inp []string) {
	var hit int
	dial := 50
	for i := range inp {
		dir, snum := inp[i][0], inp[i][1:]
		num := h.Atoi(snum)
		switch dir {
		case 'R':
			dial += num
		case 'L':
			dial -= num
		}
		dial = (dial + 100) % 100
		if dial == 0 {
			hit++
		}
	}
	fmt.Println("# Part 1")
	fmt.Println(hit)
}

func part2(inp []string) {
	var hit int
	dial := 50
	for i := range inp {
		dir, snum := inp[i][0], inp[i][1:]
		num := h.Atoi(snum)
		for j := 0; j < num; j++ {
			switch dir {
			case 'R':
				dial = (dial + 1) % 100
			case 'L':
				dial = (dial - 1 + 100) % 100
			}
			if dial == 0 {
				hit++
			}
		}
	}

	fmt.Println("# Part 2")
	fmt.Println(hit)
}