import uuid

from fastapi import APIRouter, Depends
from pydantic import BaseModel
from sqlalchemy.ext.asyncio import AsyncSession

from ...auth import verify_token
from ...outbound.postgres.database import get_db
from ...outbound.postgres.repositories import learnable_language_repository

router = APIRouter(prefix="/user_profile", tags=["bff"])


class LearnableLanguageItem(BaseModel):
    id: str
    source_language: str
    target_language: str
    proficiencies: list[str]


class UserProfileResponse(BaseModel):
    learnable_languages: list[LearnableLanguageItem]


@router.get("", response_model=UserProfileResponse, status_code=200)
async def get_user_profile(
    db: AsyncSession = Depends(get_db),
    token_data: dict = Depends(verify_token),
) -> UserProfileResponse:
    languages = await learnable_language_repository.list_for_user(
        db, user_id=uuid.UUID(token_data["sub"])
    )
    return UserProfileResponse(
        learnable_languages=[
            LearnableLanguageItem(
                id=lang.id,
                source_language=lang.source_language,
                target_language=lang.target_language,
                proficiencies=lang.proficiencies,
            )
            for lang in languages
        ]
    )