"""Port definitions for node editor."""


class Port:
    """Represents an input or output port on a node."""

    def __init__(self, name: str, port_type: str, label: str = ""):
        self.name = name          # e.g. "in", "out", "out_0", "out_1"
        self.port_type = port_type  # "input" or "output"
        self.label = label or name
        self.canvas_id = None
        self.x = 0
        self.y = 0
        # "L" or "R" — set by NodeWidget during draw based on the node's
        # flipped state. Wire routing uses it to pick curve control points.
        self.side = "L" if port_type == "input" else "R"

    def __repr__(self):
        return f"Port({self.name}, {self.port_type})"