from .file import file
from .command import command
from .exceptions import already_packed
from .package_export import package_export

class package:  
    def __init__(self, commands: list, files: dict) -> None:
        self.__commands = tuple(commands)
        self.__files = tuple([ count for count in files.values() ])

    @property
    def files(self) -> tuple:
        return self.__files

    @property
    def commands(self) -> tuple:
        return self.__commands

    def export(self) -> package_export:
        return package_export(self)

class package_builder:
    def __init__(self) -> None:
        self.__commands = list()
        self.__files = dict()

    def add_file(self, target: file) -> object:
        if target.path_name in self.__files:
            raise alread_packed(target)

        self.__files[target.path_name] = target
        return self

    def add_command(self, target: command) -> object:
        self.__commands.push(target)
        return self

    def pack(self) -> package:
        return package(self.__commands, self.__files)