use crate::{CardField, Icon};

#[derive(Debug, Default)]
// There are 60 cards in the base set
pub struct Card {
    pub field: [CardField; 5],
}

impl Card {
    pub const fn empty() -> Self {
        Self {
            field: [CardField::Empty; 5],
        }
    }
    pub fn from_dbg_string(text: &str) -> Self {
        let mut result = Self::empty();
        let mut current_field = 0;
        let mut char_iter = text.chars();
        let match_icon = |x: char| {
            let field = match x {
                's' => Icon::Square,
                'c' => Icon::Circle,
                't' => Icon::Triangle,
                'l' => Icon::Color,
                _ => return None,
            };
            Some(field)
        };
        while let Some(c) = char_iter.next() {
            if let Some(f) = match_icon(c) {
                result.field[current_field] = CardField::Icon(f);
                current_field += 1;
                continue;
            }
            let field = match c {
                'p' => {
                    let f = match_icon(char_iter.next().expect("No icon after point symbol"))
                        .expect("Incorrect icon after point symbol");
                    CardField::PointsPer(f)
                }
                'd' => {
                    let f1 =
                        match_icon(char_iter.next().expect("No first icon after double symbol"))
                            .expect("Incorrect first icon after double symbol");
                    let f2 = match_icon(
                        char_iter
                            .next()
                            .expect("No second icon after double symbol"),
                    )
                    .expect("Incorrect second icon after double symbol");
                    CardField::DoubleIcon((f1, f2))
                }
                '.' => CardField::Empty,
                '-' => continue,
                _ => panic!("Unknown character {c}"),
            };

            result.field[current_field] = field;
            current_field += 1;
        }
        result
    }
}