import requests
import os

def generate_video(prompt):
    res = requests.post(
        "https://api.runwayml.com/v1/generate",
        headers={
            "Authorization": f"Bearer {os.getenv('RUNWAY_API_KEY')}"
        },
        json={
            "prompt": prompt,
            "duration": 5
        }
    )

    return res.json()["video_url"]