"""Dialogue Ajouter du texte sur une page."""

from PyQt6.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel,
                              QGroupBox, QComboBox, QSpinBox, QLineEdit,
                              QDialogButtonBox, QDoubleSpinBox, QTextEdit,
                              QColorDialog, QPushButton)
from PyQt6.QtGui import QColor
from PyQt6.QtCore import Qt
from reportlab.lib.units import mm


class AddTextDialog(QDialog):
    def __init__(self, total_pages=1, current_page=0, parent=None):
        super().__init__(parent)
        self.setWindowTitle("Ajouter du texte")
        self.setMinimumWidth(450)
        self._total_pages = total_pages
        self._current_page = current_page
        self._color = QColor(0, 0, 0)
        self._setup_ui()

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

        # Texte
        grp_text = QGroupBox("Texte")
        tl = QVBoxLayout(grp_text)
        self.edit_text = QTextEdit()
        self.edit_text.setPlaceholderText("Saisissez le texte a ajouter...")
        self.edit_text.setMaximumHeight(80)
        tl.addWidget(self.edit_text)
        layout.addWidget(grp_text)

        # Police
        grp_font = QGroupBox("Police")
        fl = QHBoxLayout(grp_font)
        self.combo_font = QComboBox()
        self.combo_font.addItems(["Helvetica", "Helvetica-Bold", "Times-Roman",
                                   "Times-Bold", "Courier", "Courier-Bold"])
        fl.addWidget(self.combo_font)
        fl.addWidget(QLabel("Taille :"))
        self.spin_size = QSpinBox()
        self.spin_size.setRange(4, 200)
        self.spin_size.setValue(12)
        fl.addWidget(self.spin_size)
        self.btn_color = QPushButton("Couleur")
        self.btn_color.setStyleSheet("background: black; color: white; padding: 4px 12px;")
        self.btn_color.clicked.connect(self._choose_color)
        fl.addWidget(self.btn_color)
        layout.addWidget(grp_font)

        # Position
        grp_pos = QGroupBox("Position (mm depuis le bas-gauche)")
        pl = QHBoxLayout(grp_pos)
        pl.addWidget(QLabel("X :"))
        self.spin_x = QDoubleSpinBox()
        self.spin_x.setRange(0, 2000)
        self.spin_x.setValue(20)
        self.spin_x.setSuffix(" mm")
        pl.addWidget(self.spin_x)
        pl.addWidget(QLabel("Y :"))
        self.spin_y = QDoubleSpinBox()
        self.spin_y.setRange(0, 2000)
        self.spin_y.setValue(20)
        self.spin_y.setSuffix(" mm")
        pl.addWidget(self.spin_y)
        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_color(self):
        color = QColorDialog.getColor(self._color, self)
        if color.isValid():
            self._color = color
            self.btn_color.setStyleSheet(
                f"background: {color.name()}; color: {'white' if color.lightness() < 128 else 'black'}; padding: 4px 12px;"
            )

    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 {
            "text": self.edit_text.toPlainText(),
            "font_name": self.combo_font.currentText(),
            "font_size": self.spin_size.value(),
            "color": (self._color.redF(), self._color.greenF(), self._color.blueF()),
            "x": self.spin_x.value() * mm,
            "y": self.spin_y.value() * mm,
            "apply_to": apply_to,
            "current_page": self._current_page,
        }