from importlib import import_module
from os import listdir
from os.path import isdir, join
from typing import Literal

from core.helper import snake_to_camel
from yaml import safe_load

exclude = "__pycache__"

PATH = join(*__name__.split("."))
MODULES = tuple(
    filter(
        lambda item: isdir(join(PATH, item)) and item not in exclude,
        listdir(PATH),
    )
)


class Module:
    """
    Represents a module of application.
    """

    def __init__(self, title: str) -> None:
        self.title = title

    @property
    def config_path(self) -> str:
        return f"config/module/{self.title}/config.yaml"

    @property
    def create_schema_name(self) -> str:
        return snake_to_camel(self.title) + "Create"

    @property
    def model_name(self) -> str:
        return snake_to_camel(self.title)

    @property
    def schema_name(self) -> str:
        return self.model_name

    def get_name(self, _type: Literal["model", "schema", "create_schema"]) -> str:
        match _type:
            case "model" | "schema":
                name = snake_to_camel(self.title)
            case "create_schema":
                name = snake_to_camel(self.title) + "Create"

        return name

    def get_item(self, _type: Literal["model", "schema", "create_schema"]):
        return getattr(import_module(f"config.{_type}"), f"create_{_type}")(self.title)

    def get_body(self) -> dict:
        with open(self.config_path, "r") as stream:
            project = safe_load(stream)

        return project