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from typing import Dict, Optional

from appium.options.common.supports_capabilities import SupportsCapabilities

APP_LOCALE = 'appLocale'


class AppLocaleOption(SupportsCapabilities):
    @property
    def app_locale(self) -> Optional[Dict[str, str]]:
        """
        Locale for the app under test.
        """
        return self.get_capability(APP_LOCALE)

    @app_locale.setter
    def app_locale(self, value: Dict[str, str]) -> None:
        """
        Sets the locale for the app under test. The main difference between this option
        and the above ones is that this option only changes the locale for the application
        under test and does not affect other parts of the system. Also, it only uses
        public APIs for its purpose. See
        https://github.com/libyal/libfwnt/wiki/Language-Code-identifiers to get the
        list of available language abbreviations.
        Example: {"language": "zh", "country": "CN", "variant": "Hans"}.
        """
        self.set_capability(APP_LOCALE, value)