import os
import re
from collections import Counter

dir = os.path.dirname(os.path.abspath(__file__))

with open(os.path.join(dir, './input.txt'), 'r') as input_file:

    lines = input_file.readlines()

    max_x = 0
    max_y = 0

    parse_pattern = re.compile("(\d+),(\d+) -> (\d+),(\d+)")

    map = Counter()
    for line in lines:
        matches = re.search(parse_pattern, line.strip())
        x1 = int(matches.group(1))
        y1 = int(matches.group(2))
        x2 = int(matches.group(3))
        y2 = int(matches.group(4))
        print(line.strip())

        if x1 == x2:
            start = min(y1,y2)
            end = max(y1,y2)
            for y in range(start, end+1):
                key = f"{x1},{y}"
                map[key] = map[key] + 1 
        elif y1 == y2:
            start = min(x1,x2)
            end = max(x1,x2)
            for x in range(start, end+1):
                key = f"{x},{y1}"
                map[key] = map[key] + 1
        else:
            if x1 < x2:
                x_start = x1
                x_end = x2
                y_start = y1
                y_end = y2
            else:
                x_start = x2
                x_end = x1
                y_start = y2
                y_end = y1

            x = x_start
            y = y_start

            if y_start < y_end:
                while x != x_end+1 and y != y_end+1:
                    key = f"{x},{y}"
                    map[key] = map[key] + 1
                    x = x+1
                    y = y+1
            else:
                while x != x_end+1 and y != y_end-1:
                    key = f"{x},{y}"
                    print(key)
                    map[key] = map[key] + 1
                    x = x+1
                    y = y-1
                    

    count = 0
    for keys in map:
        if map[keys] >= 2:
            count = count + 1
    print(map)
    print(count)