def get_sections_boundaries(sections: str) -> tuple[int, int]:
    split = sections.split("-")
    return int(split[0]), int(split[1])


def parse_input(lines: list[str]) -> list[tuple[tuple[int, int], tuple[int, int]]]:
    output = []
    for line in lines:
        stripped = line.strip()
        if not stripped.isspace():
            split = stripped.split(",")
            output.append(
                (get_sections_boundaries(split[0]), get_sections_boundaries(split[1]))
            )
    return output


def contained(sections1: tuple[int, int], sections2: tuple[int, int]) -> bool:
    section1_contains_section2 = (
        sections1[0] <= sections2[0] and sections1[1] >= sections2[1]
    )
    section2_contains_section1 = (
        sections2[0] <= sections1[0] and sections2[1] >= sections1[1]
    )
    return section1_contains_section2 or section2_contains_section1


def overlaps(sections1: tuple[int, int], sections2: tuple[int, int]) -> bool:
    sections1_overlaps_section2 = sections2[0] <= sections1[1] <= sections2[1]
    sections2_overlaps_section1 = sections1[0] <= sections2[1] <= sections1[1]
    return sections1_overlaps_section2 or sections2_overlaps_section1


def part1(lines: list[str]) -> int:
    return sum(contained(*sections) for sections in parse_input(lines))


def part2(lines: list[str]) -> int:
    return sum(overlaps(*sections) for sections in parse_input(lines))


if __name__ == "__main__":
    with open("input.txt") as file:
        contents = file.readlines()
    print(f"Solution for part 1 is: {part1(contents)}")
    print(f"Solution for part 2 is: {part2(contents)}")