# Standalone MicroPython Voice Animation: Waiting Orbit
# Exposes run(text="", frames=...) and runs automatically if executed directly.
import time
import math

try:
    import board_config
    display = getattr(board_config, 'display_instance', None)
except Exception:
    board_config = None
    display = None

def draw_center_text(d, msg, y, w, scale=1, c=1):
    char_w = 8 * scale
    x = max(0, (w - len(msg) * char_w) // 2)
    if hasattr(d, 'text_large') and scale > 1:
        try:
            d.text_large(msg, x, y, scale, c)
            return
        except Exception:
            pass
    d.text(msg, x, y, c)

def run(text="", frames=100):
    if not display:
        print("board_config.display_instance is not available. Skipping animation.")
        return

    width = getattr(display, 'width', 400)
    height = getattr(display, 'height', 300)
    cx, cy = width // 2, height // 2

    label = text if text else "THINKING..."
    frame = 0

    try:
        while True:
            if frames is not None and frames > 0 and frame >= frames:
                break

            display.clear(0)

            # Draw central pulsing core
            # Uses sin wave to expand/contract
            pulse = int(14 + 4 * math.sin(frame * 0.18))
            display.rect(cx - pulse, cy - pulse, pulse * 2, pulse * 2, 1)
            display.rect(cx - pulse + 3, cy - pulse + 3, (pulse - 3) * 2, (pulse - 3) * 2, 1)
            display.fill_rect(cx - 3, cy - 3, 6, 6, 1)

            # Draw a dotted circular path of radius 60
            for a_deg in range(0, 360, 15):
                angle = math.radians(a_deg)
                px = cx + int(60 * math.cos(angle))
                py = cy + int(60 * math.sin(angle))
                display.fill_rect(px, py, 2, 2, 1)

            # Draw 4 orbiting ring nodes
            for node_idx in range(4):
                angle = (frame * 0.08) + (node_idx * math.pi / 2)
                nx = cx + int(60 * math.cos(angle))
                ny = cy + int(60 * math.sin(angle))
                
                # Draw square ring nodes
                display.fill_rect(nx - 6, ny - 6, 12, 12, 1)
                display.fill_rect(nx - 4, ny - 4, 8, 8, 0)

            # Draw centered text label at the bottom
            draw_center_text(display, label, height - 35, width, scale=1, c=1)

            display.show()
            frame += 1

            try:
                time.sleep_ms(50)
            except AttributeError:
                time.sleep(0.05)
    except KeyboardInterrupt:
        print("Animation interrupted by user.")

if __name__ in ('__main__', '__name__'):
    run()