use checke_rs::bitboard::MonoBitBoard;
use checke_rs::board::{Board, Player};
use checke_rs::position::{MoveIter, Position};

#[test]
fn test_top_right_position_calculated_correctly() {
    let value = 0b00000001_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
    let bitboard = MonoBitBoard::new(value).unwrap();
    let position = Position::try_from(bitboard).unwrap();

    assert_eq!(position, Position::TopRight)
}

mod parameterized_position_tests {
    use test_case::test_case;

    use checke_rs::bitboard::MonoBitBoard;
    use checke_rs::position::Position;

    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000000_00000010_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000000_00000100_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000000_00001000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000000_00010000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000000_00100000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000000_01000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000010_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000100_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00001000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00010000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00100000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_01000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000010_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000100_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00001000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00010000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00100000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000000_01000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000010_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00000100_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00001000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00010000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_00100000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000000_01000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000010_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00000100_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00001000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00010000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_00100000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000000_01000000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000010_00000000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00000100_00000000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00001000_00000000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00010000_00000000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_00100000_00000000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000000_01000000_00000000_00000000_00000000_00000000_00000000_00000000)]
    fn test_interior_position_calculated_correctly(bb_value: u64) {
        let bitboard = MonoBitBoard::new(bb_value).unwrap();
        let position = Position::try_from(bitboard).unwrap();

        assert_eq!(position, Position::Interior);
    }

    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000010)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000100)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000000_00000000_00001000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000000_00000000_00010000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000000_00000000_00100000)]
    #[test_case(0b00000000_00000000_00000000_00000000_00000000_00000000_00000000_01000000)]
    fn test_bottom_position_calculated_correctly(bb_value: u64) {
        let bitboard = MonoBitBoard::new(bb_value).unwrap();
        let position = Position::try_from(bitboard).unwrap();

        assert_eq!(position, Position::Bottom);
    }

    #[test_case(0b00000010_00000000_00000000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00000100_00000000_00000000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00001000_00000000_00000000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00010000_00000000_00000000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b00100000_00000000_00000000_00000000_00000000_00000000_00000000_00000000)]
    #[test_case(0b01000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000)]
    fn test_top_position_calculated_correctly(bb_value: u64) {
        let bitboard = MonoBitBoard::new(bb_value).unwrap();
        let position = Position::try_from(bitboard).unwrap();

        assert_eq!(position, Position::Top);
    }
}

#[test]
fn test_no_moves_are_generated_from_empty_board() {
    let board = Board::empty();
    let moves = MoveIter::new(&board, Player::Red);

    assert_eq!(moves.count(), 0)
}