"""
Crossing module
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2020 Project Author Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
Contributor Milad milad.aghamohamadnia@concordia.ca
"""

from typing import List, TypeVar

Edge = TypeVar['Edge']
Node = TypeVar['Node']


class Crossing:
  """
  Crossing class
  """

  def __init__(self):
    self._node = None
    self._edges = None
    self._priority = None
    self._width = None
    self._shape = None

  @property
  def node(self) -> Node:
    """
    The node at which this crossing is located
    :return: Node
    """
    return self._node

  @node.setter
  def node(self, value):
    """
    The node at which this crossing is located setter
    :param value: Node
    """
    self._node = value

  @property
  def edges(self) -> List[Edge]:
    """
    The (road) edges which are crossed
    :return: [Edge]
    """
    return self._edges

  @edges.setter
  def edges(self, value):
    """
    The (road) edges which are crossed setter
    :param value: [Edge]
    """
    self._edges = value

  @property
  def priority(self):
    """
    Whether the pedestrians have priority over the vehicles (automatically set to true at tls-controlled intersections).
    :return: bool
    """
    return self._priority

  @priority.setter
  def priority(self, value):
    """
    Priority setter
    :param value: bool
    """
    self._priority = value

  @property
  def width(self):
    """
    Width in m
    :return: float
    """
    return self._width

  @width.setter
  def width(self, value):
    """
    Width in m setter
    :param value: float
    """
    self._width = value

  @property
  def shape(self) -> List[List[float]]:
    """
    List of positions (positions in m)
    :return: [[x, y, (z)]]
    """
    return self._shape

  @shape.setter
  def shape(self, value):
    """
    List of positions setter
    :param value: [[x, y, (z)]]
    """
    self._shape = value