from PySide6.QtWidgets import QLabel
from PySide6.QtGui import QFont
from PySide6.QtCore import Qt
import globals

def _set_os_family_font(ClassName: str):
    _font = None

    if globals.os == "Linux":
        if ClassName == MainLabel.__name__ or SubLabel.__name__:
            _font = "Noto Sans"
        elif ClassName == SubLabelValue.__name__:
            _font = "Noto Sans Mono"
    elif globals.os == "Windows":
        if ClassName == MainLabel.__name__ or SubLabel.__name__:
            _font = "Calibri"
        elif ClassName == SubLabelValue.__name__:
            _font = "Cascadia Code"

    return _font


class MainLabel(QLabel):
    def __init__(self):
        super().__init__()
        self.setAlignment(Qt.AlignmentFlag.AlignCenter)
        self.setFont(QFont(_set_os_family_font(__class__.__name__),
                          16,
                          weight=QFont.Weight.ExtraBold))
        
class SubLabel(QLabel):
    """ Formatting for sub-labels. """

    def __init__(self, value):
        super().__init__()
        self.setFont(QFont(_set_os_family_font(__class__.__name__),
                           12,
                           weight=QFont.Weight.Thin))
        self.setText(value)

class SubLabelValue(QLabel):
    """ Formatting for values. """
    def __init__(self):
        super().__init__()
        self.setAlignment(Qt.AlignmentFlag.AlignRight)
        self.setFont(QFont(_set_os_family_font(__class__.__name__), 8))