import gradio as gr
from TTS.api import TTS
import uuid

# Load TTS model (offline)
tts = TTS(model_name="tts_models/en/ljspeech/tacotron2-DDC", progress_bar=False, gpu=False)

def tts_generate(text, speed):
    if not text.strip():
        return "Please enter some text.", None

    try:
        # Generate filename
        filename = f"output_{uuid.uuid4().hex}.wav"
        tts.tts_to_file(text=text, file_path=filename, speaker_wav=None, speed=speed)
        return "Speech generated successfully!", filename

    except Exception as e:
        return f"Error: {e}", None

iface = gr.Interface(
    fn=tts_generate,
    inputs=[
        gr.Textbox(label="Enter Text", lines=6, placeholder="Type or paste text here..."),
        gr.Slider(minimum=0.5, maximum=1.5, value=1.0, step=0.1, label="Speech Speed")
    ],
    outputs=[
        gr.Text(label="Status"),
        gr.Audio(label="Generated Speech")
    ],
    title="🎙️ Offline TTS with Coqui",
    description="Generate speech from text using an offline TTS model (Tacotron2-DDC). No API keys. No limits."
)

if __name__ == "__main__":
    iface.launch()