import requests
from dotenv import load_dotenv
import os

load_dotenv()
base_url = "https://api.pexels.com/v1"
api_key = os.getenv("API_KEY_PEXELS")


def get_random_image(topic: str) -> tuple[str, str] | tuple[None, None]:
    # Returns the url of a random image on a topic
    params = {"query": topic, "per_page": 1}
    headers = {"Authorization": api_key}
    try:
        response = requests.get(url=f"{base_url}/search", params=params, headers=headers)
        response_json = response.json()
        if response.status_code != 200:
            return None, None
        photo = response_json["photos"][0]
        landscape_url = photo["src"]["landscape"]
        alt = photo["alt"]
        return landscape_url, alt
    except Exception as e:
        landscape_url, alt = None, None
        return None, None