from lib import *

EXAMPLE = """2,2,2
1,2,2
3,2,2
2,1,2
2,3,2
2,2,1
2,2,3
2,2,4
2,2,6
1,2,5
3,2,5
2,1,5
2,3,5
"""


def solve(input: Input, second=False):
    cubes = set([tuple(map(int, l.split(",")))for l in input.text.splitlines()])
    res = len(cubes) * 6

    if second:
        min_x = min([c[0] for c in cubes]) - 1
        max_x = max([c[0] for c in cubes]) + 1
        min_y = min([c[1] for c in cubes]) - 1
        max_y = max([c[1] for c in cubes]) + 1
        min_z = min([c[2] for c in cubes]) - 1
        max_z = max([c[2] for c in cubes]) + 1
        surrounded = set([(x, y, z)
                          for x in range(min_x, max_x + 1)
                          for y in range(min_y, max_y + 1)
                          for z in range(min_z, max_z + 1)])
        surrounded -= cubes
        vs = [(min_x, min_y, min_z)]
        while vs:
            (x, y, z) = vs.pop()
            for dx, dy, dz in [(1, 0, 0), (-1, 0, 0), (0, 1, 0), (0, -1, 0), (0, 0, 1), (0, 0, -1)]:
                t  = x + dx, y + dy, z + dz
                if t in surrounded:
                    surrounded.remove(t)
                    vs.append(t)
        for x, y, z in list(surrounded):
            for dx, dy, dz in [(1, 0, 0), (-1, 0, 0), (0, 1, 0), (0, -1, 0), (0, 0, 1), (0, 0, -1)]:
                nc = x + dx, y + dy, z + dz
                if nc in cubes:
                    res -= 1

    for x, y, z in list(cubes):
        for dx, dy, dz in [(1, 0, 0), (-1, 0, 0), (0, 1, 0), (0, -1, 0), (0, 0, 1), (0, 0, -1)]:
            nc = x + dx, y + dy, z + dz
            if nc in cubes:
                res -= 1
    return res

def main():
    DAY_INPUT = "i18.txt"

    print("Example  1:", solve(Input(EXAMPLE)))
    print("Solution 1:", solve(Input(DAY_INPUT)))
    # 10:30........

    print("Example  2:", solve(Input(EXAMPLE), True))
    print("Solution 2:", solve(Input(DAY_INPUT), True))
    assert solve(Input(DAY_INPUT), True) == 2064
    # 30:00

    return

if __name__ == "__main__":
    main()