"""API tools for interacting with external services."""

import logging
from typing import Any

from application.movies import SearchMovieUseCase
from application.torrents import AddTorrentUseCase, SearchTorrentsUseCase
from infrastructure.api.knaben import knaben_client
from infrastructure.api.qbittorrent import qbittorrent_client
from infrastructure.api.tmdb import tmdb_client
from infrastructure.persistence import get_memory

logger = logging.getLogger(__name__)


def find_media_imdb_id(media_title: str) -> dict[str, Any]:
    """
    Find the IMDb ID for a given media title using TMDB API.

    Args:
        media_title: Title of the media to search for.

    Returns:
        Dict with IMDb ID and media info, or error details.
    """
    use_case = SearchMovieUseCase(tmdb_client)
    response = use_case.execute(media_title)
    result = response.to_dict()

    if result.get("status") == "ok":
        memory = get_memory()
        memory.stm.set_entity(
            "last_media_search",
            {
                "title": result.get("title"),
                "imdb_id": result.get("imdb_id"),
                "media_type": result.get("media_type"),
                "tmdb_id": result.get("tmdb_id"),
            },
        )
        memory.stm.set_topic("searching_media")
        logger.debug(f"Stored media search result in STM: {result.get('title')}")

    return result


def find_torrent(media_title: str) -> dict[str, Any]:
    """
    Find torrents for a given media title using Knaben API.

    Results are stored in episodic memory so the user can reference them
    by index (e.g., "download the 3rd one").

    Args:
        media_title: Title of the media to search for.

    Returns:
        Dict with torrent list or error details.
    """
    logger.info(f"Searching torrents for: {media_title}")

    use_case = SearchTorrentsUseCase(knaben_client)
    response = use_case.execute(media_title, limit=10)
    result = response.to_dict()

    if result.get("status") == "ok":
        memory = get_memory()
        torrents = result.get("torrents", [])
        memory.episodic.store_search_results(
            query=media_title, results=torrents, search_type="torrent"
        )
        memory.stm.set_topic("selecting_torrent")
        logger.info(f"Stored {len(torrents)} torrent results in episodic memory")

    return result


def get_torrent_by_index(index: int) -> dict[str, Any]:
    """
    Get a torrent from the last search results by its index.

    Allows the user to reference results by number after a search.

    Args:
        index: 1-based index of the torrent in the search results.

    Returns:
        Dict with torrent data or error if not found.
    """
    logger.info(f"Getting torrent at index: {index}")

    memory = get_memory()

    if memory.episodic.last_search_results:
        results_count = len(memory.episodic.last_search_results.get("results", []))
        query = memory.episodic.last_search_results.get("query", "unknown")
        logger.debug(f"Episodic memory has {results_count} results from: {query}")
    else:
        logger.warning("No search results in episodic memory")

    result = memory.episodic.get_result_by_index(index)

    if result:
        logger.info(f"Found torrent at index {index}: {result.get('name', 'unknown')}")
        return {"status": "ok", "torrent": result}

    logger.warning(f"No torrent found at index {index}")
    return {
        "status": "error",
        "error": "not_found",
        "message": f"No torrent found at index {index}. Search for torrents first.",
    }


def add_torrent_to_qbittorrent(magnet_link: str) -> dict[str, Any]:
    """
    Add a torrent to qBittorrent using a magnet link.

    Args:
        magnet_link: Magnet link of the torrent to add.

    Returns:
        Dict with success status or error details.
    """
    logger.info("Adding torrent to qBittorrent")

    use_case = AddTorrentUseCase(qbittorrent_client)
    response = use_case.execute(magnet_link)
    result = response.to_dict()

    if result.get("status") == "ok":
        memory = get_memory()
        last_search = memory.episodic.get_search_results()
        torrent_name = "Unknown"

        if last_search:
            for t in last_search.get("results", []):
                if t.get("magnet") == magnet_link:
                    torrent_name = t.get("name", "Unknown")
                    break

        memory.episodic.add_active_download(
            {
                "task_id": magnet_link[:20],
                "name": torrent_name,
                "magnet": magnet_link,
                "progress": 0,
                "status": "queued",
            }
        )

        memory.stm.set_topic("downloading")
        memory.stm.end_workflow()
        logger.info(f"Added download to episodic memory: {torrent_name}")

    return result


def add_torrent_by_index(index: int) -> dict[str, Any]:
    """
    Add a torrent from the last search results by its index.

    Combines get_torrent_by_index and add_torrent_to_qbittorrent.

    Args:
        index: 1-based index of the torrent in the search results.

    Returns:
        Dict with success status or error details.
    """
    logger.info(f"Adding torrent by index: {index}")

    torrent_result = get_torrent_by_index(index)

    if torrent_result.get("status") != "ok":
        return torrent_result

    torrent = torrent_result.get("torrent", {})
    magnet = torrent.get("magnet")

    if not magnet:
        logger.error("Torrent has no magnet link")
        return {
            "status": "error",
            "error": "no_magnet",
            "message": "The selected torrent has no magnet link",
        }

    logger.info(f"Adding torrent: {torrent.get('name', 'unknown')}")

    result = add_torrent_to_qbittorrent(magnet)

    if result.get("status") == "ok":
        result["torrent_name"] = torrent.get("name", "Unknown")

    return result