"""Radarr v3 API client. https://radarr.video/docs/api/"""
import requests
from typing import List, Dict, Optional


def _h(api_key: str) -> dict:
    return {"X-Api-Key": api_key, "Content-Type": "application/json"}


def list_movies(base_url: str, api_key: str) -> List[Dict]:
    base_url = base_url.rstrip("/")
    r = requests.get(f"{base_url}/api/v3/movie", headers=_h(api_key), timeout=20)
    r.raise_for_status()
    data = r.json() or []
    out = []
    for m in data:
        poster = ""
        for img in m.get("images", []) or []:
            if img.get("coverType") == "poster":
                poster = img.get("remoteUrl") or img.get("url") or ""
                break
        movie_file = m.get("movieFile") or {}
        out.append({
            "radarr_id": m["id"],
            "title": m.get("title") or "",
            "year": m.get("year"),
            "overview": m.get("overview") or "",
            "has_file": bool(m.get("hasFile")),
            "file_path": movie_file.get("path") if movie_file else None,
            "poster_url": poster,
            "tmdb_id": m.get("tmdbId"),
        })
    return out


def search_movie(base_url: str, api_key: str, term: str) -> List[Dict]:
    """Radarr's own title lookup (proxies TMDB) — used to resolve a free-text request to a real movie."""
    base_url = base_url.rstrip("/")
    r = requests.get(f"{base_url}/api/v3/movie/lookup", params={"term": term}, headers=_h(api_key), timeout=20)
    r.raise_for_status()
    out = []
    for m in r.json() or []:
        poster = ""
        for img in m.get("images", []) or []:
            if img.get("coverType") == "poster":
                poster = img.get("remoteUrl") or img.get("url") or ""
                break
        out.append({
            "tmdb_id": m.get("tmdbId"), "title": m.get("title") or "",
            "year": m.get("year"), "overview": m.get("overview") or "", "poster_url": poster,
        })
    return out


def add_movie(base_url: str, api_key: str, tmdb_id: int, title: str, year: Optional[int]) -> Dict:
    """Adds a movie by tmdb_id with monitoring + an immediate search enabled, using the first
    configured quality profile and root folder — same defaults Radarr's own UI would pre-fill."""
    base_url = base_url.rstrip("/")
    h = _h(api_key)
    profiles = requests.get(f"{base_url}/api/v3/qualityprofile", headers=h, timeout=15).json()
    roots = requests.get(f"{base_url}/api/v3/rootfolder", headers=h, timeout=15).json()
    if not profiles or not roots:
        raise RuntimeError("Radarr has no quality profile or root folder configured")
    payload = {
        "title": title, "tmdbId": tmdb_id, "year": year or 0,
        "qualityProfileId": profiles[0]["id"], "rootFolderPath": roots[0]["path"],
        "monitored": True, "addOptions": {"searchForMovie": True},
    }
    r = requests.post(f"{base_url}/api/v3/movie", json=payload, headers=h, timeout=20)
    r.raise_for_status()
    added = r.json()
    return {"radarr_id": added["id"], "title": added.get("title"), "year": added.get("year")}


def movie_status(base_url: str, api_key: str, radarr_id: int) -> Dict:
    base_url = base_url.rstrip("/")
    h = _h(api_key)
    m = requests.get(f"{base_url}/api/v3/movie/{radarr_id}", headers=h, timeout=15).json()
    if m.get("hasFile"):
        return {"state": "downloaded"}
    q = requests.get(f"{base_url}/api/v3/queue", params={"movieIds": radarr_id}, headers=h, timeout=15).json()
    items = q.get("records") if isinstance(q, dict) else q
    if items:
        it = items[0]
        size = it.get("size") or 0
        sizeleft = it.get("sizeleft") or 0
        pct = round(100 * (1 - (sizeleft / size)), 1) if size else 0
        return {"state": (it.get("status") or "queued").lower(), "progress_pct": pct}
    return {"state": "searching"}


def test_connection(base_url: str, api_key: str) -> bool:
    base_url = base_url.rstrip("/")
    try:
        r = requests.get(f"{base_url}/api/v3/system/status", headers=_h(api_key), timeout=10)
        return r.ok
    except Exception:
        return False