Traffic Light Controlled Intersection

lcpy gen -n 1279   # by problem number
lcpy gen -s traffic_light_controlled_intersection   # by problem name

Input: cars = [1,3,5,2,4], directions = [2,1,2,4,3], arrivalTimes = [10,20,30,40,50]
Output: [
"Car 1 Has Passed Road A In Direction 2",    // Traffic light on road A is green, car 1 can cross the intersection.
"Car 3 Has Passed Road A In Direction 1",    // Car 3 crosses the intersection as the light is still green.
"Car 5 Has Passed Road A In Direction 2",    // Car 5 crosses the intersection as the light is still green.
"Traffic Light On Road B Is Green",          // Car 2 requests green light for road B.
"Car 2 Has Passed Road B In Direction 4",    // Car 2 crosses as the light is green on road B now.
"Car 4 Has Passed Road B In Direction 3"     // Car 4 crosses the intersection as the light is still green.
]

Input: cars = [1,2,3,4,5], directions = [2,4,3,3,1], arrivalTimes = [10,20,30,40,40]
Output: [
"Car 1 Has Passed Road A In Direction 2",
"Traffic Light On Road B Is Green",
"Car 2 Has Passed Road B In Direction 4",
"Car 3 Has Passed Road B In Direction 3",
"Traffic Light On Road A Is Green",
"Car 5 Has Passed Road A In Direction 1",
"Traffic Light On Road B Is Green",
"Car 4 Has Passed Road B In Direction 3"
]

from collections.abc import Callable
from threading import Lock


class TrafficLight:
    # Time: O(1) per car
    # Space: O(1)

    def __init__(self) -> None:
        self.lock = Lock()
        self.road = 1

    def car_arrived(
        self,
        car_id: int,
        road_id: int,
        direction: int,
        turn_green: Callable[[], None],
        cross_car: Callable[[], None],
    ) -> None:
        with self.lock:
            if self.road != road_id:
                turn_green()
                self.road = road_id
            cross_car()