import os

from PySide6.QtCore import Qt, Signal, QPoint, QSize
from PySide6.QtWidgets import QWidget
from PySide6.QtGui import QPixmap, QPainter, QImage

from Kikka.KikkaConst import *
from .KikkaShell import ShellBase


class ImageShellWindow(ShellBase):
    def __init__(self, parent=None):
        super().__init__(parent)
        self._size = QSize(512, 512)
        self._cavan_image = None
        self._pixmap = None
        
    def loadData(self, data):
        self._size = QSize(512, 512)
        img = QImage(os.path.join(RESOURCES_PATH, "shell.png"))
        self.setImage(img)
        self.repaint()
    
    def onKikkaOperation(self, operation, param):
        pass

    def setImage(self, image):
        # if isDebug:
        #     image = self.debugDraw(image)
        
        self._cavan_image = QImage(self._size, QImage.Format.Format_ARGB32_Premultiplied)
        painter = QPainter(self._cavan_image)
        painter.setCompositionMode(QPainter.CompositionMode.CompositionMode_Source)
        painter.fillRect(self._cavan_image.rect(), Qt.GlobalColor.transparent)
        painter.end()
        del painter
        
        painter = QPainter(self._cavan_image)
        painter.setCompositionMode(QPainter.CompositionMode.CompositionMode_SourceOver)
        painter.drawImage(QPoint(), image)
        painter.end()
        del painter

        # self._cavan_image.save("shell_image.png")
        
        pixmap = QPixmap().fromImage(image, Qt.ImageConversionFlag.AutoColor)
        self._pixmap = pixmap

        self.setFixedSize(self._pixmap.size())
        self.setMask(self._pixmap.mask())
        self.repaint()

    def paintEvent(self, event):
        if self._pixmap is None:
            return

        painter = QPainter(self)
        painter.drawPixmap(QPoint(), self._pixmap)