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

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

    frame = 0

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

            display.clear(0)

            # Draw a sliding downward-pointing arrow in the top half
            # Offset slides down and wraps around to create motion
            arrow_slide = (frame * 3) % 24
            ay = cy - 45 + arrow_slide

            # Arrow Shaft
            display.fill_rect(cx - 6, ay - 24, 12, 24, 1)
            # Arrow Head (triangle)
            display.line(cx - 18, ay, cx, ay + 15, 1)
            display.line(cx + 18, ay, cx, ay + 15, 1)
            display.line(cx - 18, ay, cx + 18, ay, 1)
            # Fill the head slightly
            display.fill_rect(cx - 6, ay, 12, 8, 1)

            # Draw static receiver container (horizontal tray) below the arrow path
            tray_y = cy + 12
            display.line(cx - 30, tray_y, cx - 30, tray_y + 10, 1)
            display.line(cx - 30, tray_y + 10, cx + 30, tray_y + 10, 1)
            display.line(cx + 30, tray_y + 10, cx + 30, tray_y, 1)

            # Calculate update progress percentage
            # (Cycles 0 to 100 over 25 frames, or follows frame count)
            percent = (frame * 4) % 101
            
            # Progress bar outline
            bar_y = cy + 45
            display.rect(cx - 90, bar_y, 180, 16, 1)
            # Progress bar fill
            fill_width = int(176 * percent / 100)
            if fill_width > 0:
                display.fill_rect(cx - 88, bar_y + 2, fill_width, 12, 1)

            # Draw label + percentage text
            label = text if text else "UPDATING SYSTEM..."
            pct_label = f"{label} {percent}%"
            draw_center_text(display, pct_label, height - 30, width, scale=1, c=1)

            display.show()
            frame += 1

            try:
                time.sleep_ms(55)
            except AttributeError:
                time.sleep(0.055)
    except KeyboardInterrupt:
        print("Animation interrupted by user.")

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