# Standalone MicroPython Voice Animation: Error Alert
# 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

    label = text if text else "ERROR OCCURRED"
    frame = 0

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

            display.clear(0)

            # Blink animation state
            # Flashes between standard warning symbol and high-contrast double border
            blink_state = (frame // 4) % 2
            
            # Base warning triangle dimensions
            ty_top = cy - 40
            ty_bottom = cy + 30
            tx_left = cx - 45
            tx_right = cx + 45

            if blink_state == 0:
                # Draw single bold warning triangle
                display.line(cx, ty_top, tx_left, ty_bottom, 1)
                display.line(cx, ty_top, tx_right, ty_bottom, 1)
                display.line(tx_left, ty_bottom, tx_right, ty_bottom, 1)
            else:
                # Draw double thick warning triangle for "flashing" impact
                display.line(cx, ty_top - 3, tx_left - 4, ty_bottom + 2, 1)
                display.line(cx, ty_top - 3, tx_right + 4, ty_bottom + 2, 1)
                display.line(tx_left - 4, ty_bottom + 2, tx_right + 4, ty_bottom + 2, 1)

                display.line(cx, ty_top, tx_left, ty_bottom, 1)
                display.line(cx, ty_top, tx_right, ty_bottom, 1)
                display.line(tx_left, ty_bottom, tx_right, ty_bottom, 1)

            # Draw Exclamation mark inside the triangle
            # Exclamation bar
            display.fill_rect(cx - 3, cy - 15, 6, 22, 1)
            # Exclamation dot
            display.fill_rect(cx - 3, cy + 13, 6, 6, 1)

            # Draw warning stripes on the left and right edges of the screen
            stripe_y = (frame * 3) % 20
            for sy in range(-20, height + 20, 20):
                # Left stripe
                display.line(5, sy + stripe_y, 15, sy + stripe_y + 10, 1)
                # Right stripe
                display.line(width - 15, sy + stripe_y, width - 5, sy + stripe_y + 10, 1)

            # Draw centered text label at the bottom
            draw_center_text(display, label, height - 30, width, scale=1, c=1)

            display.show()
            frame += 1

            try:
                time.sleep_ms(60)
            except AttributeError:
                time.sleep(0.06)
    except KeyboardInterrupt:
        print("Animation interrupted by user.")

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