#!/bin/env python3

# 0-99
MAX_NUMBERS = 100
START_AT = 50
with open("example", "+r") as file:
    hit_zero = 0
    position = START_AT
    for line in file.readlines():
        # print(line)
        amount = int(line[1:])
        direction = line[0]

        no_rotations = int(amount / MAX_NUMBERS)
        remaining = amount - no_rotations * MAX_NUMBERS
        position = position - remaining if direction == "L" else position + remaining

        if position < 0:
            position = MAX_NUMBERS + position

        if position >= MAX_NUMBERS:
            position = position - MAX_NUMBERS

        if position == 0:
            hit_zero = hit_zero + 1

        print(f"The dial is rotated {direction}{amount} to point at {position}")

    print(f"hit 0 {hit_zero} times.")


with open("input", "+r") as file:
    hit_zero = 0
    position = START_AT
    for line in file.readlines():
        previous_position = position
        amount = int(line[1:])
        clockwise = True if line[0] == "R" else False

        rotations = int(amount / MAX_NUMBERS)
        remaining = amount - rotations * MAX_NUMBERS
        position = position + remaining if clockwise else position - remaining
        if (position <= 0 or position >= MAX_NUMBERS) and previous_position != 0:
            rotations = rotations + 1
        if position < 0:
            position = MAX_NUMBERS + position

        if position >= MAX_NUMBERS:
            position = position - MAX_NUMBERS
        hit_zero = hit_zero + rotations

        print(
            f'dial rotated {rotations}x {"clockwise" if clockwise else "counter-clockwise"} from {previous_position} to {position} ({amount})'
        )

    print(f"hit 0 {hit_zero} times.")