"""Base Models."""
from pydantic import ConfigDict, BaseModel


def to_pascal(string):
    return "".join(word.capitalize() for word in string.split("_"))


def to_camel(string):
    words = string.split("_")
    return words[0] + "".join(word.capitalize() for word in words[1:])


def to_lower(string):
    return string.replace("_", "")


class PascalCaseModel(BaseModel):
    model_config = ConfigDict(arbitrary_types_allowed=True, populate_by_name=True, alias_generator=to_pascal)


class CamelCaseModel(BaseModel):
    model_config = ConfigDict(arbitrary_types_allowed=True, populate_by_name=True, alias_generator=to_camel)


class LowerCaseModel(BaseModel):
    model_config = ConfigDict(arbitrary_types_allowed=True, populate_by_name=True, alias_generator=to_lower)