"""Лови звёзды — первая 2D-аркада для детей на Python Arcade 3.3.3.

Управление: A/D или стрелки. Собери 10 звёзд, избегай метеоритов.
После победы или проигрыша нажми R, чтобы начать заново.
"""

import random

import arcade


WIDTH = 900
HEIGHT = 600
SHIP_Y = 75
SHIP_SPEED = 420
GOAL = 10

BACKGROUND = (10, 17, 45)
WHITE = (241, 247, 255)
GOLD = (255, 211, 91)
CORAL = (255, 103, 111)
BLUE = (82, 187, 255)


class StarCatchGame(arcade.Window):
    """Окно хранит состояние игры и реагирует на клавиши и кадры."""

    def __init__(self):
        super().__init__(WIDTH, HEIGHT, "Лови звёзды — Python Arcade")
        self.background_color = BACKGROUND
        self.sky = [(random.randrange(WIDTH), random.randrange(HEIGHT), random.choice((1, 2))) for _ in range(65)]
        self.restart()

    def restart(self):
        """Вернуть счёт, жизни и корабль в начальное состояние."""
        self.ship_x = WIDTH / 2
        self.left_pressed = False
        self.right_pressed = False
        self.drops = []
        self.spawn_time = 0
        self.score = 0
        self.lives = 3
        self.state = "playing"

    def on_draw(self):
        """Нарисовать один кадр игры."""
        self.clear()
        for x, y, radius in self.sky:
            arcade.draw_circle_filled(x, y, radius, (100, 137, 203))

        arcade.draw_text("ЛОВИ ЗВЁЗДЫ", 28, HEIGHT - 46, WHITE, 23, bold=True, font_name="Arial")
        arcade.draw_text(f"Звёзды: {self.score}/{GOAL}", 30, HEIGHT - 82, GOLD, 18, font_name="Arial")
        arcade.draw_text(f"Жизни: {self.lives}", WIDTH - 153, HEIGHT - 49, CORAL, 18, font_name="Arial")
        arcade.draw_text("A / D или ← / →   •   R — заново", 30, 19, (177, 196, 232), 14, font_name="Arial")

        for drop in self.drops:
            x, y = drop["x"], drop["y"]
            if drop["kind"] == "star":
                arcade.draw_circle_filled(x, y, 18, GOLD)
                arcade.draw_circle_filled(x, y, 7, WHITE)
            else:
                arcade.draw_circle_filled(x, y, 19, CORAL)
                arcade.draw_circle_filled(x - 5, y + 4, 5, (185, 52, 84))

        # Корабль состоит из треугольника, кабины и двух огней.
        arcade.draw_triangle_filled(self.ship_x, SHIP_Y + 37,
                                    self.ship_x - 31, SHIP_Y - 24,
                                    self.ship_x + 31, SHIP_Y - 24, BLUE)
        arcade.draw_circle_filled(self.ship_x, SHIP_Y + 4, 10, WHITE)
        arcade.draw_circle_filled(self.ship_x - 23, SHIP_Y - 17, 6, GOLD)
        arcade.draw_circle_filled(self.ship_x + 23, SHIP_Y - 17, 6, GOLD)

        if self.state != "playing":
            title = "ПОБЕДА!" if self.state == "won" else "ИГРА ОКОНЧЕНА"
            color = GOLD if self.state == "won" else CORAL
            arcade.draw_lbwh_rectangle_filled(190, 215, 520, 170, (16, 30, 65, 240))
            arcade.draw_text(title, WIDTH / 2, 315, color, 37, anchor_x="center", bold=True, font_name="Arial")
            arcade.draw_text("Нажми R, чтобы сыграть ещё раз", WIDTH / 2, 257, WHITE, 18,
                             anchor_x="center", font_name="Arial")

    def on_update(self, delta_time):
        """Передвинуть объекты и проверить столкновения."""
        if self.state != "playing":
            return

        direction = int(self.right_pressed) - int(self.left_pressed)
        self.ship_x += direction * SHIP_SPEED * delta_time
        self.ship_x = max(35, min(WIDTH - 35, self.ship_x))

        self.spawn_time += delta_time
        if self.spawn_time >= 0.65:
            self.spawn_time = 0
            self.drops.append({
                "x": random.randrange(35, WIDTH - 35),
                "y": HEIGHT + 20,
                "kind": random.choice(("star", "star", "star", "meteor")),
                "speed": random.randrange(175, 255),
            })

        for drop in self.drops[:]:
            drop["y"] -= drop["speed"] * delta_time
            caught = abs(drop["x"] - self.ship_x) < 39 and abs(drop["y"] - SHIP_Y) < 35
            if caught:
                self.drops.remove(drop)
                if drop["kind"] == "star":
                    self.score += 1
                else:
                    self.lives -= 1
            elif drop["y"] < -20:
                self.drops.remove(drop)

        if self.lives <= 0:
            self.state = "lost"
        elif self.score >= GOAL:
            self.state = "won"

    def on_key_press(self, key, modifiers):
        """Запомнить, какая клавиша нажата."""
        if key in (arcade.key.LEFT, arcade.key.A):
            self.left_pressed = True
        elif key in (arcade.key.RIGHT, arcade.key.D):
            self.right_pressed = True
        elif key == arcade.key.R:
            self.restart()

    def on_key_release(self, key, modifiers):
        """Остановить движение, когда клавишу отпустили."""
        if key in (arcade.key.LEFT, arcade.key.A):
            self.left_pressed = False
        elif key in (arcade.key.RIGHT, arcade.key.D):
            self.right_pressed = False


if __name__ == "__main__":
    StarCatchGame()
    arcade.run()