import pygame

from src.camera import Camera
from src.car import Car
from src.track import Road, Track
from src.vec import Vec


class Game:
    DEFAULT_SIZE = (1280, 720)
    BACKGROUND_COLOR = (80, 80, 80)
    MAX_FPS = 60

    def __init__(self) -> None:
        pygame.init()
        self.win: pygame.Surface = pygame.display.set_mode(
            self.DEFAULT_SIZE, pygame.RESIZABLE
        )
        pygame.display.set_caption("Rally Racer")
        self.running: bool = True
        self.track: Track = Track.load("simple")
        self.car: Car = Car(self.track.start_pos, self.track.start_dir)
        self.camera: Camera = Camera()

        self.clock: pygame.time.Clock = pygame.time.Clock()

    def mainloop(self):
        while self.running:
            self.process_pygame_events()
            self.render()
            self.clock.tick(60)

    def process_pygame_events(self):
        self.camera.set_pos(self.car.pos)
        self.camera.set_direction(self.car.direction)
        self.camera.set_size(Vec(*self.win.get_size()))
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                self.quit()
            elif event.type == pygame.VIDEORESIZE:
                self.camera.set_size(Vec(event.w, event.h))
            elif event.type == pygame.KEYDOWN:
                if event.key == pygame.K_ESCAPE:
                    self.quit()

    def quit(self):
        self.running = False

    def render(self):
        self.win.fill(self.BACKGROUND_COLOR)
        road: Road = self.track.objects[0]  # type: ignore
        for i, pt in enumerate(road.pts):
            pos: Vec = self.camera.world2screen(pt.pos)
            col: float = i * 10 + 150
            pygame.draw.circle(self.win, (col, 100, 100), pos, 5)
        pygame.display.flip()