# v3.0.0 editor.py
import re
import webbrowser

from PyQt6.QtCore import Qt, QUrl
from PyQt6.QtGui import QDesktopServices
from PyQt6.QtWidgets import QTextEdit


URL_PATTERN = re.compile(
    r"(https?://[^\s]+|(?:www\.)?[a-zA-Z0-9-]+\.[a-zA-Z]{2,}(?:/[^\s]*)?)",
    re.IGNORECASE,
)


class LinkTextEdit(QTextEdit):

    def mouseReleaseEvent(self, event) -> None:
        if (
            event.modifiers()
            & Qt.KeyboardModifier.ControlModifier
        ):
            cursor = self.cursorForPosition(
                event.position().toPoint()
            )

            cursor.select(
                cursor.SelectionType.WordUnderCursor
            )

            text = (
                cursor.selectedText()
                .strip()
            )

            if URL_PATTERN.fullmatch(text):
                target = text

                if not target.startswith(
                    (
                        "http://",
                        "https://",
                    )
                ):
                    target = (
                        f"https://{target}"
                    )

                try:
                    webbrowser.open(target)

                except Exception:
                    QDesktopServices.openUrl(
                        QUrl(target)
                    )

                return

        super().mouseReleaseEvent(event)