from logging import getLogger
from typing import List

from PyQt5.QtCore import pyqtSignal, pyqtSlot
from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import QSystemTrayIcon, QMenu, QAction, QApplication

from rare.shared import RareCore, LegendaryCoreSingleton, GlobalSignalsSingleton

logger = getLogger("TrayIcon")


class TrayIcon(QSystemTrayIcon):
    # none:
    show_app: pyqtSignal = pyqtSignal()
    # int: exit code
    exit_app: pyqtSignal = pyqtSignal(int)

    def __init__(self, parent=None):
        super(TrayIcon, self).__init__(parent=parent)
        self.__parent = parent
        self.rcore = RareCore.instance()
        self.core = LegendaryCoreSingleton()

        self.setIcon(QIcon(":/images/Rare.png"))
        self.setVisible(True)
        self.setToolTip(QApplication.applicationName())

        self.menu = QMenu()

        self.show_action = QAction(QApplication.applicationName())
        self.show_action.triggered.connect(self.show_app)
        self.menu.addAction(self.show_action)

        self.menu.addSeparator()
        self.text_action = QAction("Quick launch")
        self.text_action.setEnabled(False)
        self.menu.addAction(self.text_action)

        # We need to reference this separator to add game actions before it
        self.separator = self.menu.addSeparator()
        self.exit_action = QAction(self.tr("Quit"))
        self.exit_action.triggered.connect(lambda: self.exit_app.emit(0))
        self.menu.addAction(self.exit_action)

        self.game_actions: List[QAction] = []
        self.update_actions()

        self.setContextMenu(self.menu)

        self.signals = GlobalSignalsSingleton()
        self.signals.game.uninstalled.connect(self.remove_button)
        self.signals.application.update_tray.connect(self.update_actions)

    def last_played(self) -> List:
        last_played = [game for game in self.rcore.games if (game.metadata and game.is_installed)]
        last_played.sort(key=lambda g: g.metadata.last_played, reverse=True)
        return last_played[0:5]

    @pyqtSlot()
    def update_actions(self):
        for action in self.game_actions:
            action.deleteLater()
        self.game_actions.clear()
        for rgame in self.last_played():
            a = QAction(rgame.app_title)
            a.setProperty("app_name", rgame.app_name)
            a.triggered.connect(
                lambda: self.__parent.tab_widget.games_tab.game_utils.prepare_launch(
                    self.sender().property("app_name"))
            )
            self.menu.insertAction(self.separator, a)
            self.game_actions.append(a)

    @pyqtSlot(str)
    def remove_button(self, app_name: str):
        if action := next((i for i in self.game_actions if i.property("app_name") == app_name), None):
            self.game_actions.remove(action)
            action.deleteLater()