plate-config-app/app/widgets/dialogs/commands_dialog.py

"""Диалог «Команды платы» — справочник команд из CSV-файлов."""

from __future__ import annotations

from PySide6.QtCore import Qt
from PySide6.QtWidgets import (
    QFrame,
    QHBoxLayout,
    QLabel,
    QLineEdit,
    QScrollArea,
    QVBoxLayout,
    QWidget,
)

from ...services.commands_service import CommandSet, load_all_command_sets
from ...ui.icons import get_icon_color, icon
from ..no_wheel_combo_box import NoWheelComboBox
from .styled_dialog import StyledDialog


class _CommandCard(QFrame):
    """Карточка одной команды."""

    def __init__(self, code: str, name: str, description: str,
                 parent: QWidget | None = None) -> None:
        super().__init__(parent)
        self.setObjectName("PanelCard")
        self._code = code.lower()
        self._name = name.lower()
        self._desc = description.lower()

        lay = QVBoxLayout(self)
        lay.setContentsMargins(12, 10, 12, 10)
        lay.setSpacing(4)

        # Верхняя строка: код + имя
        top = QHBoxLayout()
        top.setSpacing(8)

        code_label = QLabel(code)
        code_label.setObjectName("HeroBadge")
        code_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
        top.addWidget(code_label)

        name_label = QLabel(name)
        name_label.setObjectName("SectionTitle")
        name_label.setWordWrap(True)
        top.addWidget(name_label, 1)
        lay.addLayout(top)

        # Описание
        desc_label = QLabel(description)
        desc_label.setObjectName("HeroHint")
        desc_label.setWordWrap(True)
        lay.addWidget(desc_label)

    def matches(self, query: str) -> bool:
        q = query.lower()
        return q in self._code or q in self._name or q in self._desc


class CommandsDialog(StyledDialog):
    """Справочник команд платы: поиск + прокручиваемый список карточек."""

    def __init__(self, parent: QWidget | None = None) -> None:
        super().__init__(parent)
        self.setWindowTitle("Команды платы")
        self.setMinimumWidth(420)
        self.setMinimumHeight(460)
        self.resize(520, 560)

        lay = self.containerLayout()
        lay.setSpacing(10)

        # ── Строка фильтра ────────────────────────────────────────
        filter_row = QHBoxLayout()
        filter_row.setSpacing(8)

        self._search = QLineEdit()
        self._search.setPlaceholderText("Поиск по коду, названию или описанию…")
        search_ico = icon("fa5s.search", color=get_icon_color())
        if not search_ico.isNull():
            self._search.addAction(search_ico, QLineEdit.ActionPosition.LeadingPosition)
        self._search.textChanged.connect(self._apply_filter)
        filter_row.addWidget(self._search, 1)

        self._set_combo = NoWheelComboBox()
        self._set_combo.setMinimumWidth(140)
        self._set_combo.currentIndexChanged.connect(self._on_set_changed)
        filter_row.addWidget(self._set_combo)

        lay.addLayout(filter_row)

        # ── Прокручиваемая область ────────────────────────────────
        self._scroll = QScrollArea()
        self._scroll.setWidgetResizable(True)
        self._scroll.setFrameShape(QFrame.Shape.NoFrame)
        self._scroll.setHorizontalScrollBarPolicy(
            Qt.ScrollBarPolicy.ScrollBarAlwaysOff
        )

        self._cards_widget = QWidget()
        self._cards_widget.setObjectName("CardsContainer")
        self._cards_layout = QVBoxLayout(self._cards_widget)
        self._cards_layout.setContentsMargins(2, 4, 6, 4)
        self._cards_layout.setSpacing(6)
        self._cards_layout.setAlignment(Qt.AlignmentFlag.AlignTop)

        self._scroll.setWidget(self._cards_widget)
        lay.addWidget(self._scroll, 1)

        # ── Счётчик ───────────────────────────────────────────────
        self._count_label = QLabel()
        self._count_label.setObjectName("HeroHint")
        self._count_label.setAlignment(Qt.AlignmentFlag.AlignRight)
        lay.addWidget(self._count_label)

        # ── Загрузка данных ───────────────────────────────────────
        self._command_sets: list[CommandSet] = load_all_command_sets()
        self._cards: list[_CommandCard] = []

        if self._command_sets:
            self._set_combo.blockSignals(True)
            for cs in self._command_sets:
                self._set_combo.addItem(cs.set_name)
            self._set_combo.blockSignals(False)
            self._build_cards(self._command_sets[0])
        else:
            self._set_combo.addItem("Нет файлов")
            self._set_combo.setEnabled(False)

    # ── Построение карточек ────────────────────────────────────────

    def _clear_cards(self) -> None:
        for card in self._cards:
            self._cards_layout.removeWidget(card)
            card.setParent(None)  # type: ignore[call-overload]
            card.deleteLater()
        self._cards.clear()

    def _build_cards(self, cs: CommandSet) -> None:
        self._clear_cards()
        for cmd in cs.commands:
            card = _CommandCard(cmd.code, cmd.name, cmd.description)
            self._cards_layout.addWidget(card)
            self._cards.append(card)
        self._apply_filter(self._search.text())

    # ── Фильтрация ────────────────────────────────────────────────

    def _apply_filter(self, text: str) -> None:
        query = text.strip()
        visible = 0
        for card in self._cards:
            show = card.matches(query) if query else True
            card.setVisible(show)
            if show:
                visible += 1
        total = len(self._cards)
        if query:
            self._count_label.setText(f"Показано {visible} из {total}")
        else:
            self._count_label.setText(f"Всего команд: {total}")

    def _on_set_changed(self, index: int) -> None:
        if 0 <= index < len(self._command_sets):
            self._build_cards(self._command_sets[index])