"""
Export-Dialog für Account-Profile

Ermöglicht Auswahl von Export-Formaten.
"""

import logging
from PyQt5.QtWidgets import (
    QDialog, QVBoxLayout, QHBoxLayout, QLabel, QPushButton,
    QCheckBox, QFrame, QGraphicsDropShadowEffect, QGroupBox
)
from PyQt5.QtCore import Qt, pyqtSignal
from PyQt5.QtGui import QFont, QColor

logger = logging.getLogger("profile_export_dialog")


class ProfileExportDialog(QDialog):
    """Dialog zur Auswahl von Export-Optionen"""

    # Signal wird emittiert wenn Export bestätigt wird
    # Parameter: (formats: List[str], password_protect: bool)
    export_confirmed = pyqtSignal(list, bool)

    def __init__(self, parent=None, account_username: str = ""):
        """
        Initialisiert den Export-Dialog.

        Args:
            parent: Parent-Widget
            account_username: Username des zu exportierenden Accounts
        """
        super().__init__(parent)
        self.account_username = account_username
        self.init_ui()

    def init_ui(self):
        """Initialisiert die UI"""

        # Dialog-Eigenschaften
        self.setWindowTitle("Profil exportieren")
        self.setWindowFlags(Qt.Dialog | Qt.FramelessWindowHint)
        self.setAttribute(Qt.WA_TranslucentBackground, True)
        self.setModal(True)
        self.setFixedSize(450, 600)

        # Hauptlayout
        main_layout = QVBoxLayout(self)
        main_layout.setContentsMargins(20, 20, 20, 20)

        # Container mit modernem Design
        self.container = QFrame()
        self.container.setObjectName("exportDialogContainer")
        self.container.setStyleSheet("""
            #exportDialogContainer {
                background-color: white;
                border-radius: 12px;
                border: 1px solid #E5E7EB;
            }
        """)

        # Schatten-Effekt
        shadow = QGraphicsDropShadowEffect()
        shadow.setBlurRadius(30)
        shadow.setXOffset(0)
        shadow.setYOffset(10)
        shadow.setColor(QColor(0, 0, 0, 80))
        self.container.setGraphicsEffect(shadow)

        # Container-Layout
        container_layout = QVBoxLayout(self.container)
        container_layout.setSpacing(20)
        container_layout.setContentsMargins(30, 25, 30, 25)

        # Titel
        title_label = QLabel("Profil exportieren")
        title_font = QFont("Poppins", 16)
        title_font.setWeight(QFont.DemiBold)
        title_label.setFont(title_font)
        title_label.setStyleSheet("color: #1F2937;")
        container_layout.addWidget(title_label)

        # Account-Info
        if self.account_username:
            account_label = QLabel(f"Account: {self.account_username}")
            account_label.setStyleSheet("color: #6B7280; font-size: 13px; font-family: 'Poppins', sans-serif;")
            container_layout.addWidget(account_label)

        # Abstand vor Format-GroupBox
        container_layout.addSpacing(15)

        # Format-Auswahl GroupBox
        format_group = QGroupBox("Format")
        format_group.setMinimumHeight(150)  # Mehr Platz für 3 Checkboxen
        format_group.setStyleSheet("""
            QGroupBox {
                font-size: 14px;
                font-weight: 600;
                font-family: 'Poppins', sans-serif;
                color: #374151;
                border: 1px solid #E5E7EB;
                border-radius: 8px;
                margin-top: 20px;
                padding-top: 30px;
            }
            QGroupBox::title {
                subcontrol-origin: margin;
                subcontrol-position: top left;
                left: 12px;
                top: 2px;
                padding: 2px 8px 2px 8px;
                background-color: white;
            }
        """)
        format_layout = QVBoxLayout(format_group)
        format_layout.setSpacing(12)
        format_layout.setContentsMargins(20, 25, 20, 20)

        # Format-Checkboxen
        self.csv_checkbox = QCheckBox("CSV")
        self.csv_checkbox.setChecked(False)  # Standard: nicht aktiviert
        self.csv_checkbox.setStyleSheet("""
            QCheckBox {
                font-size: 13px;
                font-family: 'Poppins', sans-serif;
                color: #374151;
                spacing: 8px;
            }
            QCheckBox::indicator {
                width: 18px;
                height: 18px;
                border-radius: 4px;
                border: 2px solid #D1D5DB;
            }
            QCheckBox::indicator:checked {
                background-color: #0099CC;
                border-color: #0099CC;
            }
        """)

        self.txt_checkbox = QCheckBox("TXT")
        self.txt_checkbox.setChecked(False)  # Standard: nicht aktiviert
        self.txt_checkbox.setStyleSheet(self.csv_checkbox.styleSheet())

        self.pdf_checkbox = QCheckBox("PDF")
        self.pdf_checkbox.setChecked(False)  # Standard: nicht aktiviert
        self.pdf_checkbox.setStyleSheet(self.csv_checkbox.styleSheet())

        # Checkboxen zum Format-Layout hinzufügen
        format_layout.addWidget(self.csv_checkbox)
        format_layout.addWidget(self.txt_checkbox)
        format_layout.addWidget(self.pdf_checkbox)

        container_layout.addWidget(format_group)

        # Spacer
        container_layout.addStretch()

        # Button-Layout
        button_layout = QHBoxLayout()
        button_layout.setSpacing(10)
        button_layout.addStretch()

        # Abbrechen-Button
        self.cancel_button = QPushButton("Abbrechen")
        self.cancel_button.setMinimumHeight(38)
        self.cancel_button.setMinimumWidth(100)
        self.cancel_button.setCursor(Qt.PointingHandCursor)
        self.cancel_button.setStyleSheet("""
            QPushButton {
                background-color: #F3F4F6;
                color: #374151;
                border: none;
                border-radius: 6px;
                font-size: 13px;
                font-weight: 500;
                font-family: 'Poppins', sans-serif;
                padding: 8px 16px;
            }
            QPushButton:hover {
                background-color: #E5E7EB;
            }
            QPushButton:pressed {
                background-color: #D1D5DB;
            }
        """)
        self.cancel_button.clicked.connect(self.reject)

        # Exportieren-Button
        self.export_button = QPushButton("Exportieren")
        self.export_button.setMinimumHeight(38)
        self.export_button.setMinimumWidth(120)
        self.export_button.setCursor(Qt.PointingHandCursor)
        self.export_button.setStyleSheet("""
            QPushButton {
                background-color: #0099CC;
                color: white;
                border: none;
                border-radius: 6px;
                font-size: 13px;
                font-weight: 500;
                font-family: 'Poppins', sans-serif;
                padding: 8px 16px;
            }
            QPushButton:hover {
                background-color: #0078A3;
            }
            QPushButton:pressed {
                background-color: #005C7A;
            }
        """)
        self.export_button.clicked.connect(self.on_export_clicked)

        button_layout.addWidget(self.cancel_button)
        button_layout.addWidget(self.export_button)

        container_layout.addLayout(button_layout)

        # Container zum Hauptlayout hinzufügen
        main_layout.addWidget(self.container)

    def on_export_clicked(self):
        """Handler für Export-Button"""

        # Sammle ausgewählte Formate
        selected_formats = []
        if self.csv_checkbox.isChecked():
            selected_formats.append("csv")
        if self.txt_checkbox.isChecked():
            selected_formats.append("txt")
        if self.pdf_checkbox.isChecked():
            selected_formats.append("pdf")

        # Validierung: Mindestens ein Format muss ausgewählt sein
        if not selected_formats:
            from views.widgets.modern_message_box import show_warning
            show_warning(
                self,
                "Kein Format ausgewählt",
                "Bitte wählen Sie mindestens ein Export-Format aus."
            )
            return

        # Passwortschutz ist entfernt - immer False
        password_protect = False

        # Signal emittieren
        self.export_confirmed.emit(selected_formats, password_protect)

        # Dialog schließen
        self.accept()

    def get_selected_options(self):
        """
        Gibt die ausgewählten Optionen zurück.

        Returns:
            Tuple: (formats: List[str], password_protect: bool)
        """
        formats = []
        if self.csv_checkbox.isChecked():
            formats.append("csv")
        if self.txt_checkbox.isChecked():
            formats.append("txt")
        if self.pdf_checkbox.isChecked():
            formats.append("pdf")

        # Passwortschutz ist entfernt - immer False
        password_protect = False

        return formats, password_protect


# Helper-Funktionen für einfache Verwendung

def show_export_dialog(parent, account_username: str = ""):
    """
    Zeigt den Export-Dialog modal an.

    Args:
        parent: Parent-Widget
        account_username: Username des Accounts

    Returns:
        Tuple: (accepted: bool, formats: List[str], password_protect: bool)
        accepted ist True wenn Export bestätigt wurde
    """
    dialog = ProfileExportDialog(parent, account_username)
    result = dialog.exec_()

    if result == QDialog.Accepted:
        formats, password_protect = dialog.get_selected_options()
        return True, formats, password_protect
    else:
        return False, [], False