import logging
import os

from httpx import (
    AsyncBaseTransport,
    AsyncClient,
    AsyncHTTPTransport,
    Auth,
    BasicAuth,
    Request,
    Response,
)

from ..controllers.notes_search import NotesSearchController
from .calendar import CalendarClient
from .contacts import ContactsClient
from .cookbook import CookbookClient
from .deck import DeckClient
from .groups import GroupsClient
from .notes import NotesClient
from .sharing import SharingClient
from .tables import TablesClient
from .webdav import WebDAVClient
from .users import UsersClient

logger = logging.getLogger(__name__)


async def log_request(request: Request):
    logger.debug(
        "Request event hook: %s %s - Waiting for content",
        request.method,
        request.url,
    )
    logger.debug("Request body: %s", request.content)
    logger.debug("Headers: %s", request.headers)


async def log_response(response: Response):
    await response.aread()
    logger.debug("Response [%s] %s", response.status_code, response.text)


class AsyncDisableCookieTransport(AsyncBaseTransport):
    """This Transport disable cookies from accumulating in the httpx AsyncClient

    Thanks to: https://github.com/encode/httpx/issues/2992#issuecomment-2133258994
    """

    def __init__(self, transport: AsyncBaseTransport):
        self.transport = transport

    async def handle_async_request(self, request: Request) -> Response:
        response = await self.transport.handle_async_request(request)
        response.headers.pop("set-cookie", None)
        return response


class NextcloudClient:
    """Main Nextcloud client that orchestrates all app clients."""

    def __init__(self, base_url: str, username: str, auth: Auth | None = None):
        self.username = username
        self._client = AsyncClient(
            base_url=base_url,
            auth=auth,
            transport=AsyncDisableCookieTransport(AsyncHTTPTransport()),
            event_hooks={"request": [log_request], "response": [log_response]},
        )

        # Initialize app clients
        self.notes = NotesClient(self._client, username)
        self.webdav = WebDAVClient(self._client, username)
        self.tables = TablesClient(self._client, username)
        self.calendar = CalendarClient(self._client, username)
        self.contacts = ContactsClient(self._client, username)
        self.cookbook = CookbookClient(self._client, username)
        self.deck = DeckClient(self._client, username)
        self.users = UsersClient(self._client, username)
        self.groups = GroupsClient(self._client, username)
        self.sharing = SharingClient(self._client, username)

        # Initialize controllers
        self._notes_search = NotesSearchController()

    @classmethod
    def from_env(cls):
        logger.info("Creating NC Client using env vars")

        host = os.environ["NEXTCLOUD_HOST"]
        username = os.environ["NEXTCLOUD_USERNAME"]
        password = os.environ["NEXTCLOUD_PASSWORD"]
        # Pass username to constructor
        return cls(base_url=host, username=username, auth=BasicAuth(username, password))

    @classmethod
    def from_token(cls, base_url: str, token: str, username: str):
        """Create NextcloudClient with OAuth bearer token.

        Args:
            base_url: Nextcloud base URL
            token: OAuth access token
            username: Nextcloud username

        Returns:
            NextcloudClient configured with bearer token authentication
        """
        from ..auth import BearerAuth

        logger.info(f"Creating NC Client for user '{username}' using OAuth token")
        return cls(base_url=base_url, username=username, auth=BearerAuth(token))

    async def capabilities(self):
        response = await self._client.get(
            "/ocs/v2.php/cloud/capabilities",
            headers={"OCS-APIRequest": "true", "Accept": "application/json"},
        )
        response.raise_for_status()

        return response.json()

    async def notes_search_notes(self, *, query: str):
        """Search notes using token-based matching with relevance ranking."""
        all_notes = await self.notes.get_all_notes()
        return self._notes_search.search_notes(all_notes, query)

    def _get_webdav_base_path(self) -> str:
        """Helper to get the base WebDAV path for the authenticated user."""
        return f"/remote.php/dav/files/{self.username}"

    async def close(self):
        """Close the HTTP client."""
        await self._client.aclose()