"""Dialogue Creer un livret."""

from PyQt6.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel,
                              QComboBox, QGroupBox, QRadioButton, QSpinBox,
                              QDialogButtonBox, QDoubleSpinBox)
from app.engine.pdf_utils import PAGE_SIZES


class BookletDialog(QDialog):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setWindowTitle("Creer un livret")
        self.setMinimumWidth(400)
        self._setup_ui()

    def _setup_ui(self):
        layout = QVBoxLayout(self)

        # Type de reliure
        grp_binding = QGroupBox("Type de reliure")
        bl = QVBoxLayout(grp_binding)
        self.rb_saddle = QRadioButton("Piqure a cheval (livret agrafe)")
        self.rb_saddle.setChecked(True)
        self.rb_perfect = QRadioButton("Dos carre colle (livre)")
        self.rb_continuous = QRadioButton("Continu (pages sequentielles)")
        self.rb_cut_stacks = QRadioButton("Cut stacks (couper et empiler)")
        bl.addWidget(self.rb_saddle)
        bl.addWidget(self.rb_perfect)
        bl.addWidget(self.rb_continuous)
        bl.addWidget(self.rb_cut_stacks)
        layout.addWidget(grp_binding)

        # Taille signature (perfect bound)
        sig_layout = QHBoxLayout()
        sig_layout.addWidget(QLabel("Pages par cahier :"))
        self.spin_signature = QSpinBox()
        self.spin_signature.setRange(4, 128)
        self.spin_signature.setValue(32)
        self.spin_signature.setSingleStep(4)
        self.spin_signature.setEnabled(False)
        sig_layout.addWidget(self.spin_signature)
        sig_layout.addStretch()
        layout.addLayout(sig_layout)

        self.rb_perfect.toggled.connect(self.spin_signature.setEnabled)

        # Taille de feuille
        grp_sheet = QGroupBox("Taille de la feuille")
        sl = QHBoxLayout(grp_sheet)
        sl.addWidget(QLabel("Format :"))
        self.combo_sheet = QComboBox()
        self.combo_sheet.addItem("Automatique (2x page)")
        for name in PAGE_SIZES:
            self.combo_sheet.addItem(name)
        sl.addWidget(self.combo_sheet)
        layout.addWidget(grp_sheet)

        # Alignement
        grp_align = QGroupBox("Alignement")
        al = QVBoxLayout(grp_align)
        self.rb_center = QRadioButton("Centrer")
        self.rb_center.setChecked(True)
        self.rb_pull = QRadioButton("Vers le dos (centre)")
        self.rb_bl = QRadioButton("Bas-gauche")
        al.addWidget(self.rb_center)
        al.addWidget(self.rb_pull)
        al.addWidget(self.rb_bl)
        layout.addWidget(grp_align)

        # Boutons OK/Annuler
        buttons = QDialogButtonBox(
            QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel
        )
        buttons.accepted.connect(self.accept)
        buttons.rejected.connect(self.reject)
        layout.addWidget(buttons)

    def get_settings(self):
        """Retourner les parametres selectionnes."""
        if self.rb_saddle.isChecked():
            binding = "saddle_stitch"
        elif self.rb_perfect.isChecked():
            binding = "perfect_bound"
        elif self.rb_continuous.isChecked():
            binding = "continuous"
        else:
            binding = "cut_stacks"

        sheet_text = self.combo_sheet.currentText()
        sheet_size = PAGE_SIZES.get(sheet_text, None)

        if self.rb_center.isChecked():
            alignment = "center"
        elif self.rb_pull.isChecked():
            alignment = "pull_center"
        else:
            alignment = "bottom_left"

        return {
            "binding": binding,
            "sheet_size": sheet_size,
            "signature_size": self.spin_signature.value(),
            "alignment": alignment,
        }