"""Authentication router — register, login, refresh, me."""

from __future__ import annotations

from typing import Annotated

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

from app.core.database import get_db
from app.core.security import get_current_user
from app.models.user import User
from app.schemas.auth import (
    LoginRequest,
    RefreshRequest,
    RegisterRequest,
    TokenResponse,
    UserOut,
)
from app.services import auth as auth_service

router = APIRouter(prefix="/api/auth", tags=["auth"])


@router.post("/register", response_model=UserOut, status_code=201)
async def register(
    body: RegisterRequest,
    db: Annotated[AsyncSession, Depends(get_db)],
) -> User:
    return await auth_service.register(db, body)


@router.post("/login", response_model=TokenResponse)
async def login(
    body: LoginRequest,
    db: Annotated[AsyncSession, Depends(get_db)],
) -> TokenResponse:
    access, refresh, _user = await auth_service.login(db, body.email, body.password)
    return TokenResponse(access_token=access, refresh_token=refresh)


@router.post("/refresh", response_model=TokenResponse)
async def refresh(
    body: RefreshRequest,
    db: Annotated[AsyncSession, Depends(get_db)],
) -> TokenResponse:
    access, refresh = await auth_service.refresh_access_token(db, body.refresh_token)
    return TokenResponse(access_token=access, refresh_token=refresh)


@router.get("/me", response_model=UserOut)
async def me(current_user: Annotated[User, Depends(get_current_user)]) -> User:
    return current_user