from PySide6.QtCore import Qt, QSize
from PySide6.QtGui import QFont
from PySide6.QtWidgets import (
    QDialog,
    QWidget,
    QLabel,
    QVBoxLayout,
    QHBoxLayout,
    QPushButton,
    QButtonGroup,
    QSpacerItem,
    QSizePolicy,
)


class LanguageDialog(QDialog):
    def __init__(self):
        super().__init__()
        self.setObjectName("LanguageDialog")
        self.setWindowFlags(Qt.FramelessWindowHint | Qt.Dialog)
        self.setWindowModality(Qt.ApplicationModal)
        self.setMinimumSize(QSize(1024, 600))

        root = QVBoxLayout(self)
        root.setContentsMargins(24, 24, 24, 24)
        root.setSpacing(16)

        root.addItem(QSpacerItem(10, 10, QSizePolicy.Minimum, QSizePolicy.Expanding))

        card = QWidget()
        card.setObjectName("LanguageCard")
        card_layout = QVBoxLayout(card)
        card_layout.setContentsMargins(18, 18, 18, 18)
        card_layout.setSpacing(14)

        title = QLabel("Сначала выберите язык")
        title.setObjectName("LanguageTitle")
        title.setFont(QFont("", 20, 700))
        title.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)

        options_row = QHBoxLayout()
        options_row.setContentsMargins(0, 0, 0, 0)
        options_row.setSpacing(12)

        self._group = QButtonGroup(self)
        self._group.setExclusive(True)

        self._btn_ru = QPushButton("Русский")
        self._btn_ru.setObjectName("LanguageOption")
        self._btn_ru.setCheckable(True)
        self._btn_ru.setChecked(True)
        self._btn_ru.setMinimumHeight(48)
        self._btn_ru.setFont(QFont("", 14, 600))
        self._group.addButton(self._btn_ru)

        options_row.addWidget(self._btn_ru, 1)
        options_row.addStretch(1)

        confirm = QPushButton("Продолжить")
        confirm.setObjectName("LanguageConfirm")
        confirm.setMinimumHeight(52)
        confirm.setFont(QFont("", 15, 700))
        confirm.clicked.connect(self.accept)

        card_layout.addWidget(title)
        card_layout.addLayout(options_row)
        card_layout.addWidget(confirm)

        root.addWidget(card)
        root.addItem(QSpacerItem(10, 10, QSizePolicy.Minimum, QSizePolicy.Expanding))

    def reject(self):
        # Ignore reject to force a language choice.
        return

    def selected_language(self) -> str:
        return "ru"