"""Input Devices tab: same shape as Output Devices (see output_tab.py) but for
recording devices (pactl sources) — mic gain meter/L-R pair, mute, live peak
bar, profile dropdown, "Set Default"."""

from __future__ import annotations

import gi

gi.require_version("Gtk", "4.0")
from gi.repository import Gtk  # noqa: E402

from ui.device_card import DeviceCard
from ui.scroll_row import ScrollRow


class InputTab(Gtk.Box):
    def __init__(self, backend, peaks) -> None:
        super().__init__(orientation=Gtk.Orientation.VERTICAL)
        self.add_css_class("sb-tab-page")
        self._backend = backend
        self._peaks = peaks
        self._default_name = ""
        self._row = ScrollRow(self._make_card, empty_text="No input devices found")
        self.append(self._row)

    def _make_card(self, item: dict, cards_by_id: dict, default_name: str) -> DeviceCard:
        return DeviceCard(self._backend, self._peaks, "source", item, cards_by_id,
                          default_name, self._backend.set_default_source)

    def refresh(self) -> None:
        def got_defaults(_sink_name: str, source_name: str) -> None:
            self._default_name = source_name

            def got_cards(cards: list[dict]) -> None:
                cards_by_id = {c["id"]: c for c in cards}

                def got_sources(sources: list[dict]) -> None:
                    self._row.sync(sources, cards_by_id, self._default_name)
                self._backend.list_sources(got_sources)
            self._backend.list_cards(got_cards)
        self._backend.get_defaults(got_defaults)

    def activate(self) -> None:
        self._row.activate()
        self.refresh()

    def deactivate(self) -> None:
        self._row.deactivate()