import os
import sys
import json

from PySide6.QtWidgets import QApplication

import Kikka
from Kikka.KikkaConst import *
from Kikka.Utils.Singleton import singleton
from Kikka.KikkaMemory import KikkaMemory
from Kikka.KikkaConfig import KikkaConfig
from Kikka.KikkaStyle import KikkaStyle
from Kikka.Widgets.MainWindow import MainWindow
from Kikka.KikkaAction import KikkaAction
from Kikka.Widgets.Shell.KikkaShell import KikkaShell


@singleton
class KikkaCore():
    def __init__(self):
        self._memory = KikkaMemory()
        self._config = KikkaConfig()
        self._style = KikkaStyle()
        self._action = KikkaAction()
        self._app = None
        self._mainWindow = None
        self._shell = None
        
    # region property
    @property
    def memory(self):
        return self._memory
    
    @property
    def config(self):
        return self._config
    
    @property
    def style(self):
        return self._style
    
    @property
    def app(self):
        return self._app
    
    @property
    def action(self):
        return self._action
    
    @property
    def mainWindow(self):
        return self._mainWindow
    
    @property
    def shell(self):
        return self._shell
    
    
    # endregion
    
    # region init
    
    def init(self):
        self.memory.awake()
        self.action.load()

        self._app = QApplication(sys.argv)
        Kikka.app = self.app
        
        self.style.switchTheme(DEFAULT_THEME)
        
        self._mainWindow = MainWindow()
        Kikka.mainWindow = self.mainWindow
        self.mainWindow.initData(self.action.data)
        self.mainWindow.setPage(0, 0)
        
        self._shell = KikkaShell()
        self.shell.loadShell({"shell_type": "Image"})
        Kikka.shell = self.shell

        self.connect_slot()

    def connect_slot(self):
        self.mainWindow.SIGNAL_OPERATION.connect(KikkaAction().actionOperation)
        self.mainWindow.SIGNAL_OPERATION.connect(self.onMainWindowOperation)
    
    def initialized(self):
        self.mainWindow.show()
        self.shell.show()
    
    # endregion

    def onMainWindowOperation(self, operation, param):
        pass