from argenta.command.flag.models import InputFlag, Flag


class BaseInputCommandException(Exception):
    """
    Private. Base exception class for all exceptions raised when parse input command
    """
    pass


class UnprocessedInputFlagException(BaseInputCommandException):
    """
    Private. Raised when an unprocessed input flag is detected
    """
    def __str__(self):
        return "Unprocessed Input Flags"


class RepeatedInputFlagsException(BaseInputCommandException):
    """
    Private. Raised when repeated input flags are detected
    """
    def __init__(self, flag: Flag | InputFlag):
        self.flag = flag
    def __str__(self):
        return ("Repeated Input Flags\n"
                f"Duplicate flag was detected in the input: '{self.flag.get_string_entity()}'")


class EmptyInputCommandException(BaseInputCommandException):
    """
    Private. Raised when an empty input command is detected
    """
    def __str__(self):
        return "Input Command is empty"