from __future__ import annotations

from math import cos, sin
from threading import Event, Thread
from time import sleep
from typing import Any

import dearpygui.dearpygui as _dpg

import dpg_map as dpgm

dpg: Any = _dpg


def main() -> None:
    dpgm.configure(user_agent="dpg-map markers_live_thread example")
    stop = Event()

    dpg.create_context()
    dpg.create_viewport(title="dpg-map live markers", width=1000, height=700)

    with (
        dpg.window(label="Live Markers", width=-1, height=-1),
        dpgm.map_widget(
            tag="live-markers-map", center=(47.9029, 1.9093), zoom=15, width=-1, height=-1
        ),
    ):
        for index in range(12):
            dpgm.add_marker(
                f"vehicle-{index}",
                lat=47.9029,
                lon=1.9093,
                label=str(index + 1),
                show_label=True,
                color=(240, 92, 70, 255),
            )

    def update_markers() -> None:
        tick = 0
        while not stop.is_set():
            for index in range(12):
                angle = tick * 0.08 + index * 0.52
                radius = 0.0015 + (index % 4) * 0.0002
                dpgm.update_marker(
                    f"vehicle-{index}",
                    lat=47.9029 + sin(angle) * radius,
                    lon=1.9093 + cos(angle) * radius,
                    map_tag="live-markers-map",
                )
            tick += 1
            sleep(1 / 30)

    worker = Thread(target=update_markers, name="dpg-map-live-markers", daemon=True)
    worker.start()
    try:
        dpg.setup_dearpygui()
        dpg.show_viewport()
        dpg.start_dearpygui()
    finally:
        stop.set()
        worker.join(timeout=1.0)
        dpg.destroy_context()


if __name__ == "__main__":
    main()