import asyncio
import logging
import flet as ft

logger = logging.getLogger(__name__)

async def get_base64_audio(page: ft.Page, audio_blob_uri: str) -> str | None:
    start_time = asyncio.get_event_loop().time()
    result = None
    
    try:
        logger.info("Result URI: %s", audio_blob_uri)
        logger.info("="*100)
        
        # Use the eval_js method to execute JavaScript and get the result directly
        result = await page.eval_js(f"""
        const blob = await fetch('{audio_blob_uri}').then(r => r.blob());
        const base64data = await new Promise((resolve) => {{
            const reader = new FileReader();
            reader.onloadend = () => resolve(reader.result.split(',')[1]);
            reader.readAsDataURL(blob);
        }});
        return base64data;
        """)

    except Exception as e:
        logger.error(f"Error in get_base64_audio: {str(e)}")
    finally:
        end_time = asyncio.get_event_loop().time()
        elapsed_time = end_time - start_time
        logger.info(f"Time taken to get base64 audio: {elapsed_time:.2f} seconds")

    return result