use bitmaps::Bitmap;

#[derive(Clone, Debug)]
pub enum Square {
    Value(u8),
    Options(Bitmap<9>),
}

impl Square {
    pub fn from_char(c: char) -> Square {
        match c {
            '1' => Square::Value(1),
            '2' => Square::Value(2),
            '3' => Square::Value(3),
            '4' => Square::Value(4),
            '5' => Square::Value(5),
            '6' => Square::Value(6),
            '7' => Square::Value(7),
            '8' => Square::Value(8),
            '9' => Square::Value(9),
            '.' => Square::Options(Bitmap::mask(9)),
            _ => panic!("Unexpected character in input: {}", c),
        }
    }

    pub fn to_str(&self) -> String {
        match self {
            Square::Options(_) => " ".to_string(),
            Square::Value(v) => v.to_string(),
        }
    }
}