from __future__ import annotations

import re
from pathlib import Path

import pytest

from beefy_player.app import BeefyPlayerApp
from beefy_player.widgets.header import HeaderBar
from beefy_player.widgets.search import SearchInput
from beefy_player.widgets.spectrum import SpectrumPanel
from beefy_player.widgets.stage import StagePanel
from beefy_player.widgets.station_list import StationList
from beefy_player.widgets.status import StatusBar

PACKAGE = Path(__file__).resolve().parents[1] / "beefy_player"


def test_no_rgb_colors_in_source() -> None:
    """The app must follow the terminal palette, not force its own RGB colours."""
    pattern = re.compile(r"#[0-9a-fA-F]{6}")
    offenders = [
        str(path.relative_to(PACKAGE))
        for path in PACKAGE.rglob("*")
        if path.suffix in {".py", ".tcss"} and pattern.search(path.read_text())
    ]
    assert not offenders, offenders


@pytest.mark.asyncio
async def test_backgrounds_use_terminal_default_and_borders_are_ansi() -> None:
    app = BeefyPlayerApp(autoplay=False, offline=True, audio=False)
    async with app.run_test(size=(100, 30)) as pilot:
        await pilot.pause()

        assert app.theme == "terminal"
        assert app.ansi_color is True
        assert app.native_ansi_color is True
        assert app.screen.styles.background.ansi == -1  # SGR 49, terminal default
        assert app.screen.styles.color.ansi == -1
        for widget_type in (
            HeaderBar,
            SearchInput,
            StationList,
            StagePanel,
            SpectrumPanel,
            StatusBar,
        ):
            widget = app.query_one(widget_type)
            assert widget.styles.background.ansi == -1, widget_type
            assert widget.styles.color.ansi == -1, widget_type

        border = app.query_one(StationList).styles.border.top
        assert border[1].ansi is not None  # an ANSI palette index, not RGB

        await pilot.press("slash")
        await pilot.pause()
        search = app.query_one(SearchInput)
        assert search.styles.background.ansi == -1
        assert search.styles.background_tint.a == 0
        assert search.styles.color.ansi == -1  # ansi_default
        await pilot.press("escape")
        await pilot.pause()

        await pilot.press("question_mark")
        await pilot.pause()
        assert app.screen.styles.background.ansi == -1
        assert app.screen.query_one("#help").styles.background.ansi == -1
        await pilot.press("x")
        await pilot.pause()