namespace GlobalClassLib;

public abstract class GlobalTileConnector<TTile, TCon> where TTile : GlobalMapTile<TCon,TTile> where TCon : GlobalTileConnector<TTile, TCon> {
    // private readonly TTile _tile1;
    // private readonly TTile _tile2;

    public GlobalTileConnector(TTile tile1, TTile tile2, ConnectorType type) {
        Tiles.tile1 = tile1;
        Tiles.tile2 = tile2;
        Type = type;
    }

    public GlobalTileConnector(TTile tile2, ConnectorType type) {
        Tiles.tile2 = tile2;
        Type = type;
    }

    public (TTile tile1, TTile tile2) Tiles;
    public bool Blocked { get; set; }

    public (int, int) Id => (Tiles.tile1.Id, Tiles.tile2.Id);

    public ConnectorType Type { get; set; }

    public TTile OtherTile(TTile tile) => Tiles.Item1 == tile ? Tiles.Item2 : Tiles.Item1;

    public Direction GetDirection(TTile tile) {
        if (tile != Tiles.tile1 && tile != Tiles.tile2) return Direction.NONE;
        
        TTile other = OtherTile(tile);
        (int, int) dpos = (other.GridPosition.x - tile.GridPosition.x, other.GridPosition.y - tile.GridPosition.y);

        switch (dpos){
            case (0, 1): return Direction.NORTH;
            case (1, 0): return Direction.EAST;
            case (0, -1): return Direction.SOUTH;
            case (-1, 0): return Direction.WEST;
            default: return Direction.NONE;
        }
    }
    
    public override string ToString() => $"Con ({Tiles.Item1.PositionAsString} -> {Tiles.Item2.PositionAsString})";
    
    public abstract TCon Clone();
}