"""Tests for the TMDb client (src.core.tmdb). Network is monkeypatched."""

from types import SimpleNamespace

import pytest

from src.core import tmdb
from src.core.tmdb import TmdbError, TmdbResult


@pytest.fixture(autouse=True)
def _with_key(monkeypatch):
    monkeypatch.setenv("TMDB_API_KEY", "testkey")


def _resp(status=200, payload=None):
    return SimpleNamespace(
        status_code=status, ok=(200 <= status < 300), json=lambda: payload or {}
    )


def test_api_available_reflects_key(monkeypatch):
    assert tmdb.api_available()
    monkeypatch.delenv("TMDB_API_KEY", raising=False)
    assert not tmdb.api_available()


def test_lookup_movie_returns_title_and_year(monkeypatch):
    monkeypatch.setattr(
        tmdb.requests,
        "get",
        lambda *a, **k: _resp(
            200, {"id": 603, "title": "Matrix", "release_date": "1999-03-31"}
        ),
    )
    result = tmdb.lookup_movie(603)
    assert result == TmdbResult(603, "Matrix", "1999", "movie")


def test_lookup_movie_falls_back_to_original_title(monkeypatch):
    monkeypatch.setattr(
        tmdb.requests,
        "get",
        lambda *a, **k: _resp(
            200, {"id": 1, "original_title": "Solyaris", "release_date": "1972-01-01"}
        ),
    )
    assert tmdb.lookup_movie(1).title == "Solyaris"


def test_lookup_movie_missing_date_gives_no_year(monkeypatch):
    monkeypatch.setattr(
        tmdb.requests,
        "get",
        lambda *a, **k: _resp(200, {"id": 2, "title": "Bez data", "release_date": ""}),
    )
    assert tmdb.lookup_movie(2).year is None


def test_lookup_tv_uses_name_and_first_air(monkeypatch):
    monkeypatch.setattr(
        tmdb.requests,
        "get",
        lambda *a, **k: _resp(
            200, {"id": 1396, "name": "Breaking Bad", "first_air_date": "2008-01-20"}
        ),
    )
    result = tmdb.lookup(1396, kind="tv")
    assert result == TmdbResult(1396, "Breaking Bad", "2008", "tv")


def test_search_movie_maps_results(monkeypatch):
    payload = {
        "results": [
            {"id": 603, "title": "Matrix", "release_date": "1999-03-31"},
            {"id": 605, "title": "Matrix Revolutions", "release_date": "2003-11-05"},
        ]
    }
    monkeypatch.setattr(tmdb.requests, "get", lambda *a, **k: _resp(200, payload))
    results = tmdb.search_movie("Matrix", year="1999")
    assert [r.tmdb_id for r in results] == [603, 605]
    assert results[0].year == "1999"


def test_search_movie_empty_query_skips_network(monkeypatch):
    def boom(*a, **k):
        raise AssertionError("should not hit network")

    monkeypatch.setattr(tmdb.requests, "get", boom)
    assert tmdb.search_movie("   ") == []


def test_movie_details_maps_fields(monkeypatch):
    payload = {
        "id": 603,
        "title": "Matrix",
        "release_date": "1999-03-31",
        "vote_average": 8.3,
        "genres": [
            {"id": 28, "name": "Akční"},
            {"id": 878, "name": "Vědeckofantastický"},
        ],
        "production_countries": [
            {"iso_3166_1": "US", "name": "United States of America"}
        ],
    }
    monkeypatch.setattr(tmdb.requests, "get", lambda *a, **k: _resp(200, payload))
    d = tmdb.movie_details(603)
    assert d.genres == ["Akční", "Vědeckofantastický"]
    assert d.countries == ["United States of America"]
    assert d.rating == 83 and d.year == "1999"
    assert d.field_values("genres") == ["Akční", "Vědeckofantastický"]
    assert d.field_values("rating") == ["83"]


def test_refresh_tags_from_tmdb(tmp_path, monkeypatch):
    monkeypatch.setattr("src.core.config.GLOBAL_CONFIG_FILE", tmp_path / ".gtag")
    from src.core.file_manager import FileManager
    from src.core.tag_manager import TagManager
    from src.core.tmdb import TmdbDetails

    fm = FileManager(TagManager())
    fm.set_pool_dir(tmp_path / "pool")
    (tmp_path / "a.mkv").write_bytes(b"x")
    (tmp_path / "b.mkv").write_bytes(b"y")
    matched = fm.import_movie(tmp_path / "a.mkv", "Matrix", year=1999, tmdb_id=603)
    fm.import_movie(tmp_path / "b.mkv", "Bez ID", year=2000)  # no tmdbid

    import src.core.tmdb as tmdb_mod

    monkeypatch.setattr(
        tmdb_mod,
        "movie_details",
        lambda i: TmdbDetails(
            int(i), "Matrix", "1999", ["Akční", "Sci-Fi"], ["USA"], 83
        ),
    )

    result = fm.refresh_tags_from_tmdb()
    assert result == {"ok": True, "updated": 1, "without_id": 1, "errors": []}
    paths = {t.full_path for t in matched.tags}
    assert {"Žánr/Akční", "Žánr/Sci-Fi", "Rok/1999", "Země původu/USA"} <= paths
    assert matched.meta == {"year": "1999", "rating": 83}


def test_missing_key_raises(monkeypatch):
    monkeypatch.delenv("TMDB_API_KEY", raising=False)
    with pytest.raises(TmdbError):
        tmdb.lookup_movie(603)


def test_bad_status_raises(monkeypatch):
    monkeypatch.setattr(tmdb.requests, "get", lambda *a, **k: _resp(401, {}))
    with pytest.raises(TmdbError):
        tmdb.lookup_movie(603)


def test_network_error_raises(monkeypatch):
    import requests

    def boom(*a, **k):
        raise requests.ConnectionError("down")

    monkeypatch.setattr(tmdb.requests, "get", boom)
    with pytest.raises(TmdbError):
        tmdb.lookup_movie(603)