#!/usr/bin/phon3

from collections import defaultdict


def parse_line(line):
    p1, _, p2 = line.split()
    x1, y1 = p1.split(',')
    x2, y2 = p2.split(',')
    return int(x1), int(y1), int(x2), int(y2)


def part_1(input):
    result = 0
    field = defaultdict(int)
    for line in input:
        line = line.strip()
        x1, y1, x2, y2 = parse_line(line)
        if x1 == x2 or y1 == y2:
            for x in range(min(x1, x2), max(x1, x2) + 1):
                for y in range(min(y1, y2), max(y1, y2) + 1):
                    field[(x, y)] += 1
    result = len([k for k in field if field[k] > 1])
    print("Part 1 result:", result)


def part_2(input):
    result = 0
    field = defaultdict(int)
    for line in input:
        line = line.strip()
        x1, y1, x2, y2 = parse_line(line)
        if x1 == x2 or y1 == y2:
            for x in range(min(x1, x2), max(x1, x2) + 1):
                for y in range(min(y1, y2), max(y1, y2) + 1):
                    field[(x, y)] += 1
        elif abs(x1 - x2) == abs(y1 - y2):
            dx = 1 if x1 < x2 else -1
            dy = 1 if y1 < y2 else -1
            for n in range(abs(x1 - x2) + 1):
                field[(x1 + (dx * n), y1 + (dy * n))] += 1
    result = len([k for k in field if field[k] > 1])
    print("Part 2 result:", result)


input = list()
with open('input.txt') as fp:
    input = fp.readlines()

part_1(input)
part_2(input)