import requests
import json

def validate_stream_endpoint(url, headers=None):
    """
    Valida el endpoint /stream verificando la respuesta parcial (Range).
    Simula una petición de streaming sin necesidad del servidor activo si se usa mock.
    """
    if not headers:
        headers = {'Range': 'bytes=0-1023'}
    
    try:
        response = requests.get(url, headers=headers)
        print(f"Status Code: {response.status_code}")
        print(f"Content-Type: {response.headers.get('Content-Type')}")
        print(f"Content-Range: {response.headers.get('Content-Range', 'N/A')}")
        
        if response.status_code == 206:
            print("[OK] Range Request handled correctly.")
            return True
        elif response.status_code == 416:
            print("[WARN] Range Not Satisfiable (End > Size).")
            return False
        else:
            print(f"[ERROR] Unexpected status: {response.status_code}")
            return False
    except Exception as e:
        print(f"[ERROR] Connection failed: {e}")
        return False

if __name__ == "__main__":
    # Simulación de URL (reemplazar con la real del backend)
    STREAM_URL = "http://localhost:8000/stream/movie.mp4"
    validate_stream_endpoint(STREAM_URL)