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use thiserror::Error;
#[derive(Error, Debug, PartialEq, Eq)]
pub enum SfenError {
#[error("data fields are missing")]
MissingDataFields,
#[error("an illegal piece notation is found")]
IllegalPieceType,
#[error("the side to move needs to be black or white")]
IllegalSideToMove,
#[error("an illegal move count notation is found")]
IllegalMoveCount(#[from] std::num::ParseIntError),
#[error("an illegal move notation is found")]
IllegalMove,
#[error("an illegal board state notation is found")]
IllegalBoardState,
}
#[derive(Error, Debug, PartialEq, Eq)]
pub enum MoveError {
#[error("the king is in check")]
InCheck,
#[error("nifu detected")]
Nifu,
#[error("uchifuzume detected")]
Uchifuzume,
#[error("perpetual check detected")]
PerpetualCheckWin,
#[error("perpetual check detected")]
PerpetualCheckLose,
#[error("not your turn")]
EnemysTurn,
#[error("the piece can not move anymor")]
NonMovablePiece,
#[error("the move is inconsistent with the current position: {0}")]
Inconsistent(&'static str),
#[error("repetition detected")]
Repetition,
}