from typing import Optional
import requests
from PIL import Image
from io import BytesIO
import os

from ..models import Settings, UnsplashImage
from anki_generator.settings import get_settings, Settings

class UnsplashClient:
    def __init__(self, settings: Optional[Settings] = None):
        self.settings = settings or get_settings()
        self.api_key = self.settings.unsplash_api_key.get_secret_value()

    def get_image(self, search_term: str, filename: str) -> Optional[UnsplashImage]:
        """Fetch and save an image from Unsplash"""
        url = "https://api.unsplash.com/search/photos"
        headers = {"Authorization": f"Client-ID {self.api_key}"}
        params = {
            "query": search_term,
            "per_page": 1,
            "orientation": "landscape"
        }

        try:
            response = requests.get(url, headers=headers, params=params)
            response.raise_for_status()
            data = response.json()

            if not data["results"]:
                return None

            image_data = data["results"][0]
            image_url = image_data["urls"]["regular"]
            photographer = f"{image_data['user']['name']} on Unsplash"

            # Download and process image
            img_response = requests.get(image_url)
            img_response.raise_for_status()

            # Create directory if it doesn't exist
            os.makedirs(os.path.dirname(filename) or '.', exist_ok=True)

            # Process and save image
            img = Image.open(BytesIO(img_response.content))
            img.thumbnail((800, 600))
            img.save(filename, "JPEG", quality=85)

            return UnsplashImage(
                url=image_url,
                photographer=photographer,
                local_path=filename
            )

        except Exception as e:
            print(f"Error fetching image: {e}")
            return None
