"""Dialogue Ajouter une image sur une page."""

from PyQt6.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel,
                              QGroupBox, QComboBox, QDoubleSpinBox,
                              QDialogButtonBox, QPushButton, QFileDialog)
from reportlab.lib.units import mm


class AddImageDialog(QDialog):
    def __init__(self, total_pages=1, current_page=0, parent=None):
        super().__init__(parent)
        self.setWindowTitle("Ajouter une image")
        self.setMinimumWidth(400)
        self._total_pages = total_pages
        self._current_page = current_page
        self._image_path = None
        self._setup_ui()

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

        # Image
        grp_img = QGroupBox("Image")
        il = QHBoxLayout(grp_img)
        self.btn_choose = QPushButton("Choisir une image...")
        self.btn_choose.clicked.connect(self._choose_image)
        il.addWidget(self.btn_choose)
        self.lbl_file = QLabel("Aucun fichier")
        self.lbl_file.setStyleSheet("color: #888;")
        il.addWidget(self.lbl_file)
        layout.addWidget(grp_img)

        # Position et taille
        grp_pos = QGroupBox("Position et taille (mm)")
        pl = QVBoxLayout(grp_pos)

        row1 = QHBoxLayout()
        row1.addWidget(QLabel("X :"))
        self.spin_x = QDoubleSpinBox()
        self.spin_x.setRange(0, 2000)
        self.spin_x.setValue(20)
        self.spin_x.setSuffix(" mm")
        row1.addWidget(self.spin_x)
        row1.addWidget(QLabel("Y :"))
        self.spin_y = QDoubleSpinBox()
        self.spin_y.setRange(0, 2000)
        self.spin_y.setValue(20)
        self.spin_y.setSuffix(" mm")
        row1.addWidget(self.spin_y)
        pl.addLayout(row1)

        row2 = QHBoxLayout()
        row2.addWidget(QLabel("Largeur :"))
        self.spin_w = QDoubleSpinBox()
        self.spin_w.setRange(1, 2000)
        self.spin_w.setValue(50)
        self.spin_w.setSuffix(" mm")
        row2.addWidget(self.spin_w)
        row2.addWidget(QLabel("Hauteur :"))
        self.spin_h = QDoubleSpinBox()
        self.spin_h.setRange(0, 2000)
        self.spin_h.setValue(0)
        self.spin_h.setSuffix(" mm")
        self.spin_h.setSpecialValueText("Auto")
        row2.addWidget(self.spin_h)
        pl.addLayout(row2)

        pl.addWidget(QLabel("Hauteur 0 = proportionnelle a la largeur"))
        layout.addWidget(grp_pos)

        # Appliquer a
        grp_apply = QGroupBox("Appliquer a")
        al = QHBoxLayout(grp_apply)
        self.combo_apply = QComboBox()
        self.combo_apply.addItems([
            f"Page courante ({self._current_page + 1})",
            "Toutes les pages",
            "Pages paires",
            "Pages impaires"
        ])
        al.addWidget(self.combo_apply)
        layout.addWidget(grp_apply)

        buttons = QDialogButtonBox(
            QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel
        )
        buttons.accepted.connect(self.accept)
        buttons.rejected.connect(self.reject)
        layout.addWidget(buttons)

    def _choose_image(self):
        path, _ = QFileDialog.getOpenFileName(
            self, "Choisir une image", "",
            "Images (*.png *.jpg *.jpeg *.bmp *.gif *.tiff)"
        )
        if path:
            self._image_path = path
            self.lbl_file.setText(path.split("/")[-1].split("\\")[-1])
            self.lbl_file.setStyleSheet("color: #0066cc;")

    def get_settings(self):
        apply_text = self.combo_apply.currentText()
        if "courante" in apply_text:
            apply_to = "current"
        elif "paires" in apply_text.lower():
            apply_to = "even"
        elif "impaires" in apply_text.lower():
            apply_to = "odd"
        else:
            apply_to = "all"

        return {
            "image_path": self._image_path,
            "x": self.spin_x.value() * mm,
            "y": self.spin_y.value() * mm,
            "width": self.spin_w.value() * mm,
            "height": self.spin_h.value() * mm if self.spin_h.value() > 0 else None,
            "apply_to": apply_to,
            "current_page": self._current_page,
        }