from fooder.controller.base import ModelController
from fooder.domain import User
from fooder.context import Context
from fooder.exc import Unauthorized, NotFound


class UserController(ModelController[User]):
    @classmethod
    async def session_start(
        cls,
        ctx: Context,
        username: str,
        password: str,
    ) -> "UserController":
        try:
            obj = await ctx.repo.user.get_by_username(username)
        except NotFound:
            raise Unauthorized()

        if not obj.verify_password(password):
            raise Unauthorized()

        return cls(ctx, obj)

    async def change_password(self, current_password: str, new_password: str) -> None:
        if not self.obj.verify_password(current_password):
            raise Unauthorized()
        self.obj.set_password(new_password)
        await self.ctx.repo.user.update(self.obj)