from fastapi import APIRouter, Depends, HTTPException
from pydantic import BaseModel

from app.auth.jwt_provider import JWTAuthProvider
from app.dependencies import get_jwt_auth

router = APIRouter(tags=["auth"])


class LoginRequest(BaseModel):
    username: str
    password: str


class TokenResponse(BaseModel):
    access_token: str
    token_type: str = "bearer"
    expires_in: int


@router.post("/auth/token", response_model=TokenResponse)
async def login(body: LoginRequest, auth: JWTAuthProvider = Depends(get_jwt_auth)):
    if not auth.verify_credentials(body.username, body.password):
        raise HTTPException(
            status_code=401,
            detail={"detail": "Invalid credentials", "code": "invalid_credentials"},
        )
    token = auth.create_token()
    return TokenResponse(
        access_token=token,
        token_type="bearer",
        expires_in=auth._expiry_seconds,
    )