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import requests
from io import BytesIO
from queue import Queue

from texture import ImageTexture
from manager import PixMan


class ImmichConnector:
    def __init__(self):
        config = PixMan().config
        self.server_url = config.immich_url.removesuffix("/")
        self.api_key = config.immich_api_key
        self.texture_load_queue = Queue()

    def _request(self, endpoint):
        if not self.server_url:
            return None
        return requests.get(f"{self.server_url}/api/{endpoint}", headers={ "x-api-key": self.api_key })

    def load_all_albums(self):
        response = self._request("albums")
        if not response or response.status_code != 200: return

        data = response.json()
        return data

    def load_album_assets(self, key):
        response = self._request(f"albums/{key}")
        if not response or response.status_code != 200: return

        data = response.json()
        return data["assets"]

    def load_image(self, key, size="preview"):
        response = self._request(f"assets/{key}/thumbnail?size={size}")
        if not response or response.status_code != 200: return None, None

        image_data = BytesIO(response.content)
        mimetype = response.headers.get("Content-Type")
        return image_data, mimetype

    def load_texture_async(self, texture_list, image_texture):
        self.texture_load_queue.put((texture_list, image_texture))

    def idle(self):
        size = "preview"  # TODO
        while True:
            texture_list, image_texture = self.texture_load_queue.get()
            if not texture_list.index_in_cache_range(image_texture.asset_index):
                continue  # Texture was never loaded so it doesn't need to be free'd
            image_data, _ = self.load_image(image_texture.asset_key, size)
            image_texture.initialize(image_data)

    def validate_connection(self):
        # TODO
        return True