fenex 0.1.6

A rust library for parsing and handling FEN and algebraic chess notations.
Documentation 
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use crate::chess::board::{board::Board, coordinates::Coordinates};

/// Chess piece types
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum PieceType {
    Pawn,
    Knight,
    Bishop,
    Rook,
    Queen,
    King,
}

/// Player colors
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Color {
    White,
    Black,
}

impl Color {
    /// Switches to opposite color
    pub fn reverse(&self) -> Color {
        match self {
            Color::White => Color::Black,
            Color::Black => Color::White,
        }
    }
}

/// Castling availability for both players
#[derive(Copy, Clone, Debug, PartialEq)]
pub struct CastlingRights {
    pub white_kingside: bool,
    pub white_queenside: bool,
    pub black_kingside: bool,
    pub black_queenside: bool,
}

impl Default for CastlingRights {
    fn default() -> Self {
        Self {
            white_kingside: true,
            white_queenside: true,
            black_kingside: true,
            black_queenside: true,
        }
    }
}

/// Core chess piece behavior
pub trait ChessPiece {
    fn piece_type(&self) -> PieceType;
    fn color(&self) -> Color;
    fn coordinates(&self) -> Coordinates;
    fn change_color(&mut self, color: Color);
    fn change_coordinates(&mut self, coordinates: Coordinates);
    fn move_to(&self, destination: Coordinates, board: &mut Board) -> Result<(), &'static str>;
    fn is_valid_move(
        &mut self,
        coordinates: Coordinates,
        board: &Board,
        filter_check: bool,
    ) -> bool;
}

pub struct Castle {
    white_castle_king_side: bool,
    white_castle_queen_side: bool,
    black_castle_king_side: bool,
    black_castle_queen_side: bool,
}

impl Castle {
    pub fn new(
        white_castle_king_side: bool,
        white_castle_queen_side: bool,
        black_castle_king_side: bool,
        black_castle_queen_side: bool,
    ) -> Castle {
        Castle {
            white_castle_king_side,
            white_castle_queen_side,
            black_castle_king_side,
            black_castle_queen_side,
        }
    }
    pub fn reset(&mut self) {
        self.white_castle_king_side = false;
        self.white_castle_queen_side = false;
        self.black_castle_king_side = false;
        self.black_castle_queen_side = false;
    }
}