import gradio as gr
import os
import asyncio
from conver import ConversationConfig, URLToAudioConverter
from dotenv import load_dotenv

load_dotenv()

def synthesize_sync(article_url, text_input, language="en"):
    return asyncio.run(synthesize(article_url, text_input, language))

async def synthesize(article_url, text_input, language):
    if not article_url and not text_input:
        return "Error: Ingresa una URL o texto", None

    try:
        config = ConversationConfig()
        converter = URLToAudioConverter(config, llm_api_key=os.environ.get("TOGETHER_API_KEY"))
        
        # Voces humanizadas (inglés) o español
        voices = {
            "en": ("en-US-AvaMultilingualNeural", "en-US-AndrewMultilingualNeural"),
            "es": ("es-ES-AlvaroNeural", "es-ES-ElviraNeural")
        }
        voice1, voice2 = voices.get(language, voices["en"])

        if text_input:
            output_file, conversation = await converter.text_to_audio(text_input, voice1, voice2)
        else:
            output_file, conversation = await converter.url_to_audio(article_url, voice1, voice2)
            
        return conversation, output_file
    except Exception as e:
        return f"Error: {str(e)}", None

with gr.Blocks(theme='gstaff/sketch') as demo:
    gr.Markdown("# 🎙 Podcast Converter (Human Voices)")
    with gr.Group():
        text_url = gr.Textbox(label="Article URL (optional)", placeholder="https://...")
        text_input = gr.Textbox(label="Or paste text directly", lines=5, placeholder="Type here...")
        language = gr.Dropdown(["en", "es"], label="Language", value="en")
        btn = gr.Button("Generate Podcast", variant="primary")
    
    with gr.Row():
        conv_display = gr.Textbox(label="Conversation", interactive=False, lines=10)
        aud = gr.Audio(label="Podcast", interactive=False)
    
    btn.click(
        synthesize_sync,
        inputs=[text_url, text_input, language],
        outputs=[conv_display, aud]
    )

demo.launch()