from PyQt6.QtWidgets import QTextBrowser, QWidget, QLabel, QVBoxLayout
from PyQt6.QtCore import Qt
from PyQt6.QtGui import QDesktopServices, QPixmap

from ...resources   import get_resource_path


import logging
log = logging.getLogger(__name__)

class MarkdownView(QTextBrowser):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setReadOnly(True)
        # open links with the OS web browser
        self.anchorClicked.connect(QDesktopServices.openUrl)
        # dont follow links
        self.setOpenLinks(False)

class About(QWidget):
    """
    Small about text with logo
    """
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setLayout(QVBoxLayout())
        # show the logo via a pixmap in a label
        img_path = get_resource_path("icons/logo.svg")
        pixmap = QPixmap(img_path)
        pixmap = pixmap.scaled(128, 128, Qt.AspectRatioMode.KeepAspectRatio, Qt.TransformationMode.SmoothTransformation)
        # qt cant find the file
        w_label = QLabel()
        w_label.setPixmap(pixmap)
        w_label.setAlignment(Qt.AlignmentFlag.AlignCenter)  # center the image
        self.layout().addWidget(w_label)
        # show about.md
        w_md_view = MarkdownView()
        filepath = get_resource_path("small_about.md")
        try:
            with open(filepath, "r") as file:
                content = file.read()
                try:
                    from importlib.metadata import version
                    cpdversion = version('cpdctrl_gui')
                    content += f"\n- Version: {cpdversion}"
                except Exception as e:
                    log.info(f"Failed to get cpdctrl_gui version: {e}")
                    # content += f"\n- Version: Unknown"
                w_md_view.setMarkdown(content)
        except FileNotFoundError:
            log.error(f"File not found: {filepath}")
            w_md_view.setMarkdown(f"## File not found\n`{filepath}`")
        self.layout().addWidget(w_md_view)