"""
PyQT6 GUI for Kontor
"""
import sys
from pathlib import Path

import yaml
from PySide6.QtGui import QAction, QIcon
from PySide6.QtWidgets import QWidget, QVBoxLayout, QMenu, QMessageBox, QTabWidget, QTableView, QHBoxLayout, QCheckBox
from PySide6.QtWidgets import QApplication, QLabel, QMainWindow
from platformdirs import PlatformDirs

from comic_model import ComicTableModel
from media_file_model import MediaFileTableModel


class MainWindow(QMainWindow):


    def __init__(self, config):
        super().__init__()

        self.tick = QIcon('res/tick.png')
        self.cross = QIcon('res/cross.png')
        self.import_icon = QIcon("res/application-import.png")
        self.export_icon = QIcon("res/application-export.png")
        self.circle_icon = QIcon("res/arrow-circle-double.png")

        self.setWindowTitle("Kontor")
        self.setMinimumSize(800, 500)
        self._createActions()
        self._createMenuBar()
        self._createToolBars()
        self._createStatusBar()

        self.data = []
        self.filter = {}
        self.central_widget = QWidget()
        parent_layout = QVBoxLayout()
        self.central_widget.setLayout(parent_layout)
        self.tabs = QTabWidget()
        self.tabs.addTab(self.generate_tab_comics(config), "Comics")
        self.tabs.addTab(self.generate_tab_media_file(config), "MediaFile")
        self.tabs.currentChanged.connect(self._tab_changed)
        #label.setAlignment(Qt.AlignmentFlag.AlignCenter)
        parent_layout.addWidget(self.tabs)

        self.setCentralWidget(self.central_widget)

    def _createActions(self):
        self.newAction = QAction("&New", self)
        self.aboutAction = QAction("&Über...", self)
        self.aboutAction.triggered.connect(self.about)
        self.importAction = QAction(self.import_icon, "&Import", self)
        self.exportAction = QAction(self.export_icon, "&Export", self)
        self.refreshAction = QAction(self.circle_icon, "&Refresh", self)
        self.refreshAction.triggered.connect(self.refresh)
        self.exitAction = QAction("&Beenden", self)
        self.exitAction.setShortcut("Alt+F4")
        self.exitAction.triggered.connect(self.close)

    def _createMenuBar(self):
        menu_bar = self.menuBar()
        # File menu
        file_menu = QMenu("&Datei")
        menu_bar.addMenu(file_menu)
        file_menu.addAction(self.exitAction)
        # Kontor menu
        kontor_menu = QMenu("&Kontor")
        menu_bar.addMenu(kontor_menu)
        kontor_menu.addAction(self.importAction)
        kontor_menu.addAction(self.exportAction)
        # Help menu
        help_menu = QMenu("&Hilfe")
        menu_bar.addMenu(help_menu)
        help_menu.addAction(self.aboutAction)

    def _createToolBars(self):
        # Kontor toolbar
        kontor_tool_bar = self.addToolBar("Kontor")
        kontor_tool_bar.addAction(self.importAction)
        kontor_tool_bar.addAction(self.exportAction)
        kontor_tool_bar.addAction(self.refreshAction)

    def _createStatusBar(self):
        self.statusBar = self.statusBar()
        self.statusBar.showMessage("Kontor ready", 6000)
        self.status_label = QLabel("")
        self.statusBar.addPermanentWidget(self.status_label)

    def about(self):
        QMessageBox.about(self.central_widget, "Über Kontor", f"Python: 3.11\nKontor: 0.1.0")

    def refresh(self):
        self.data[self.tabs.currentIndex()].refresh()

    def _tab_changed(self, tab_index):
        self.data[tab_index].refresh()

    def generate_tab_comics(self, db_configuration):
        comic_tab = QWidget()
        layout = QVBoxLayout()
        comic_tab.setLayout(layout)
        model = ComicTableModel(db_configuration, self)
        self.data.append(model)
        table_view = QTableView()
        table_view.setModel(model)
        layout.addWidget(table_view)
        return comic_tab

    def generate_tab_media_file(self, db_configuration):
        media_file_tab = QWidget()
        layout = QVBoxLayout()
        filter_layout = QHBoxLayout()
        download_checkbox = QCheckBox()
        download_checkbox.setText("Download")
        download_checkbox.checkStateChanged.connect(self.refresh)
        self.filter["download"] = download_checkbox
        review_checkbox = QCheckBox()
        review_checkbox.setText("Review")
        review_checkbox.checkStateChanged.connect(self.refresh)
        self.filter["review"] = review_checkbox
        filter_layout.addWidget(review_checkbox)
        filter_layout.addWidget(download_checkbox)
        filter_layout.addStretch()
        model = MediaFileTableModel(db_configuration, self)
        self.data.append(model)
        media_file_tab.setLayout(layout)
        table_view = QTableView()
        table_view.setModel(model)
        layout.addLayout(filter_layout)
        layout.addWidget(table_view)
        return media_file_tab


if __name__ == '__main__':
    app = QApplication(sys.argv)
    dirs = PlatformDirs("kontor")
    database_config = Path(dirs.user_config_dir, 'database-config.yaml')
    with open(database_config, 'rt') as f:
        db_config = yaml.safe_load(f.read())
    window = MainWindow(db_config)
    window.show()
    app.exec()