import os
import openai
import subprocess
from gtts import gTTS
from pydub import AudioSegment
from flask import Flask, render_template, request

openai.api_key = os.environ.get("openai_api_key")

app = Flask(__name__)

@app.route("/", methods=["GET", "POST"])
def index():
    if request.method == "POST":
        name = request.form["name"]
        horoscope_type = request.form["horoscope_type"]
        video_path, error_message = generate_output(name, horoscope_type)
        if error_message:
            return render_template("index.html", error_message=error_message)
        else:
            return render_template("index.html", video_path=video_path)
    return render_template("index.html")

def generate_output(name, horoscope_type):
    prompt = f"{name}, tu horóscopo {horoscope_type} y oráculo de hoy es:"
    response = openai.Completion.create(
        engine="text-davinci-003",
        prompt=prompt,
        max_tokens=120,
        temperature=0.6,
        n=1,
        stop=None,
    )
    gpt3_output = response.choices[0].text.strip()
    generated_text = gpt3_output.replace(prompt, "").strip()
    if len(response.choices) == 0 or 'text' not in response.choices[0]:
        return None, "No se pudo generar el texto."

    try:
        tts = gTTS(generated_text, lang='es')
        temp_audio_path = "temp_audio.mp3"
        tts.save(temp_audio_path)
        audio_path = "audio.wav"
        audio = AudioSegment.from_mp3(temp_audio_path)
        audio.export(audio_path, format="wav")
        print("Archivo de audio generado:", audio_path)
    except Exception as e:
        return None, f"No se pudo generar el audio: {str(e)}"

    command = f"python3 inference.py --checkpoint_path checkpoints/wav2lip_gan.pth --face oraculo.jpg --audio audio.wav --outfile video.mp4 --nosmooth"
    process = subprocess.run(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
    if process.returncode != 0:
        error_message = process.stderr.decode("utf-8")
        return None, f"No se pudo generar el video: {error_message}"

    output_video_path = "video.mp4"
    os.remove(temp_audio_path)

    if os.path.isfile(output_video_path):
        return output_video_path, None
    return None, "No se pudo generar el video"

if __name__ == "__main__":
    app.run()