import typing as t

import typing_extensions as te

from rene import (Location,
                  hints)
from .edge import Edge
from .node import Node
from .trapezoid import Trapezoid


class Leaf(Node[hints.Scalar]):
    def locate(self,
               point: hints.Point[hints.Scalar],
               edges: t.Sequence[Edge[hints.Scalar]],
               endpoints: t.Sequence[hints.Point[hints.Scalar]],
               nodes: t.Sequence[Node[hints.Scalar]]) -> Location:
        return (Location.INTERIOR
                if self.trapezoid.is_component
                else Location.EXTERIOR)

    def search_edge_node(self,
                         edge: Edge[hints.Scalar],
                         edges: t.Sequence[Edge[hints.Scalar]],
                         endpoints: t.Sequence[hints.Point[hints.Scalar]],
                         nodes: t.Sequence[Node[hints.Scalar]]) -> te.Self:
        return self

    def to_height(self, nodes: t.Sequence[Node[hints.Scalar]]) -> int:
        return 0

    trapezoid: Trapezoid

    __slots__ = 'trapezoid',

    def __new__(cls,
                is_component: bool,
                left_point_index: int,
                right_point_index: int,
                below_edge_index: int,
                above_edge_index: int,
                index: int) -> te.Self:
        self = super().__new__(cls)
        self.trapezoid = Trapezoid(is_component, left_point_index,
                                   right_point_index, below_edge_index,
                                   above_edge_index, index)
        return self