from .message import message
from .template import template

class message_template(message):
    def __init__(self, target: message) -> None:
        super().__init__(clone_it = target)

    def _import_template(self, target: template) -> None:
        default_keys = target.default_keys

        for key in default_keys:
            name = "get_" + key

            setattr(self, name, self._create_getter(key))

        for section in target.sections_names:
            for key in target.get_section_keys(section):
                name = "get_" + key

                if name in default_keys:
                    name = "get_" + key + "_" + section

                setattr(self, name, self._create_getter(key, section))

    def _create_getter(self, key: str, section: str | None = None) -> object:
        if not self.key_exists(key, section):
            raise RuntimeError("Message not have required key " + key + ".")

        return lambda: self.get_key(key, section)