from PyQt6.QtWidgets import (
    QApplication, QMainWindow, QLabel, QPushButton, 
    QWidget, QFrame, QSplitter, QStackedWidget, QListWidget, QListWidgetItem,
    QGraphicsScene, QGraphicsView, QGraphicsPixmapItem,

    QLayout, QScrollArea, QVBoxLayout, QHBoxLayout,

    QDialog, QFileDialog
)
from PyQt6.QtCore import Qt

class SimpleHeader(QFrame):
    def __init__(self, parent) -> None:
        super().__init__(parent)

        self.setObjectName("SimpleHeader")
        self.setStyleSheet("#SimpleHeader { border: 1px solid #00000000; border-bottom-color: #444; }")

        self.parent = parent
        self.setFixedHeight(24)
        self.label = QLabel("Simple Header", self)
        self.label.move(12, 0)
        self.label.resize( self.width() - 24, 24)

    def resizeEvent(self, event):
        self.label.resize( self.width() - 24, 24)
        self.resize(self.parent.width(), 24 )

    def setLabel(self, text):
        self.label.setText(text)

class ErrorPopup(QDialog):
    def __init__(self, parent, message, trace, CanIgnore=True, buttonLayout=0) -> None:
        super().__init__(parent)
        self.parent = parent
        self.message = message
        self.trace = trace
        self.canTerminate = CanIgnore
        self.setWindowTitle("Error")
        self.setGeometry(000, 150, 600, 300)
        # reset styles
        # self.setStyleSheet("")
        # self.setWindowFlags(Qt.WindowType.WindowStaysOnTopHint)
        self.setWindowModality(Qt.WindowModality.WindowModal)

        self.header = SimpleHeader(self)
        self.header.setLabel(self.message)
        self.header.move(0, 0)

        # self.label = QLabel(self.message, self)
        # self.label.move(12, 0)
        # self.label.resize( self.width() - 24, 24)

        self.trace = QLabel(self.trace, self)
        self.trace.move(12, 24)
        self.trace.resize( self.width() - 24, 24)

        match buttonLayout:
            case 0:
                pass
        self.ignore = QPushButton(CanIgnore and "Ignore" or "Critical Error", self)
        self.ignore.move(12, self.height() - 36)
        self.ignore.resize( self.width() - 24, 24)
        self.ignore.clicked.connect(self.close)
        self.ignore.setDisabled(not CanIgnore)

        self.btn_terminate = QPushButton("Terminate", self)
        self.btn_terminate.move(12, self.height() - 60)
        self.btn_terminate.resize( self.width() - 24, 24)
        self.btn_terminate.clicked.connect(self.terminate)
        
    def resizeEvent(self, event):
        # self.move(int(self.parent.width()/2) - int(self.width()/2), int(self.parent.height()/2) - int(self.height()/2))
        self.header.resize( self.width(), 24)
        self.trace.resize( self.width() - 24, self.height() - 60)
        self.ignore.move(12, self.height() - 36)
        self.ignore.resize( int(self.width()/2) - 24, 24)
        self.btn_terminate.move(int(self.width()/2) + 12, self.height() - 36)
        self.btn_terminate.resize( int(self.width()/2) - 24, 24)

    def close(self):
        super().close()

    def terminate(self):
        self.parent.close()
        super().close()
        exit(1)

    # on window close
    def closeEvent(self, event):
        if self.canTerminate:
            self.close()
        else:
            self.terminate()

class ListDialog(QDialog):
    def __init__(self, parent = None, dialogHeader = None, header = None, data = None):
        super(ListDialog, self).__init__(parent)
        self.setWindowTitle(dialogHeader)
        layout = QVBoxLayout()
        layout.addWidget(QLabel(header))
        # scroll area
        scroll = QScrollArea()
        widget = QWidget()
        widget.setLayout(QVBoxLayout())
        layout.addWidget(scroll)
        self.setLayout(layout)
        for item in data:
            widget.layout().addWidget(QLabel(item))
        scroll.setWidget(widget)
        self.exec()