import json
from pathlib import Path

from midnight_static.gradio_app import (
    generate_broadcast,
    load_showcase_for_ui,
    on_air_start,
    radio_shell_for_genre,
)


def test_generate_broadcast_returns_audio_and_script(tmp_path: Path):
    audio_path, script_json = generate_broadcast(
        "a motel room where the wallpaper whispers",
        mode="placeholder",
        writer="fixture",
        output_dir=str(tmp_path),
    )

    payload = json.loads(script_json)

    assert Path(audio_path).exists()
    assert payload["title"].startswith("The Case of")
    assert payload["genre"] == "weird"


def test_generate_broadcast_uses_selected_genre(tmp_path: Path):
    audio_path, script_json = generate_broadcast(
        "a saloon piano that predicts tomorrow",
        mode="placeholder",
        writer="fixture",
        genre="western",
        output_dir=str(tmp_path),
    )

    payload = json.loads(script_json)

    assert Path(audio_path).exists()
    assert payload["genre"] == "western"
    assert payload["music"]["genre"] == "western"


def test_radio_shell_tracks_genre_and_showcase():
    shell = radio_shell_for_genre("comedy")
    _, _, showcase_genre, showcase_shell, showcase_status = load_showcase_for_ui(
        "The Case of A Wedding Where Every Guest Recognizes"
    )

    assert '--ms-needle-left: 75%' in shell
    assert "<strong>LAFF</strong>" in shell
    assert showcase_genre == "comedy"
    assert "<strong>LAFF</strong>" in showcase_shell
    assert "RERUN READY" in showcase_status


def test_on_air_start_returns_scanning_state():
    shell, status = on_air_start("noir")

    assert "ms-radio is-scanning" in shell
    assert "87.9 WRITING" in shell
    assert "WRITING ... CASTING ... FOLEY ... SCORING ..." in status
    assert "is-live" in status