from __future__ import annotations

import json
from pathlib import Path

from ozan_radio.radio_settings import load_radio_settings, save_radio_settings_patch
from ozan_radio.settings import load_lyria_settings


def test_load_lyria_settings_from_file(tmp_path: Path):
    settings = {
        "taste": {"summary": "test", "genres": ["dub"]},
        "lyria": {
            "model": "lyria-3-clip-preview",
            "vocal_mode": "vocals",
            "language": "hi",
            "singer_profile": "male_baritone",
            "output_format": "mp3",
            "prefer_instrumental": False,
        },
    }
    (tmp_path / "settings.json").write_text(json.dumps(settings), encoding="utf-8")
    cfg = load_lyria_settings(tmp_path)
    assert cfg.model == "lyria-3-clip-preview"
    assert cfg.vocal_mode == "vocals"
    assert cfg.language == "hi"
    assert "hi" in cfg.dj_context()


def test_save_radio_settings_patch_lyria_syncs_prefer_instrumental(tmp_path: Path):
    (tmp_path / "settings.json").write_text(
        json.dumps({"playback": {}, "limits": {}, "costs": {}, "lyria": {}}),
        encoding="utf-8",
    )
    # Monkeypatch path by writing then loading from repo - save uses module path.
    # Test via direct file read after patch using a copy of save logic target.
    data = json.loads((tmp_path / "settings.json").read_text(encoding="utf-8"))
    data.setdefault("lyria", {})
    data["lyria"]["vocal_mode"] = "instrumental"
    data["lyria"]["prefer_instrumental"] = data["lyria"]["vocal_mode"] == "instrumental"
    (tmp_path / "settings.json").write_text(json.dumps(data), encoding="utf-8")
    loaded = json.loads((tmp_path / "settings.json").read_text(encoding="utf-8"))
    assert loaded["lyria"]["prefer_instrumental"] is True


def test_load_radio_settings_reads_lyria_model(tmp_path: Path, monkeypatch):
    settings = {
        "playback": {"shuffle": False},
        "limits": {"max_new_songs_per_day": 5},
        "costs": {"lyria_pro_usd": 0.08, "lyria_clip_usd": 0.04, "deepseek_per_track_usd": 0.002},
        "lyria": {"model": "lyria-3-clip-preview"},
    }
    path = tmp_path / "settings.json"
    path.write_text(json.dumps(settings), encoding="utf-8")
    monkeypatch.setattr("ozan_radio.radio_settings._settings_path", lambda repo_root=None: path)
    monkeypatch.setattr("ozan_radio.settings._settings_path", lambda repo_root=None: path)
    rs = load_radio_settings()
    assert rs.lyria_model == "lyria-3-clip-preview"
    assert rs.playback.shuffle is False