from __future__ import annotations

from typing import Annotated

from fastapi import APIRouter, Depends, status
from sqlalchemy.orm import Session

from app.api.dependencies import get_current_shop
from app.db.session import get_db
from app.models.user import User
from app.schemas.product import ProductCreate, ProductResponse
from app.services.product_service import ProductService

router = APIRouter()


@router.get(
    "",
    response_model=list[ProductResponse],
    status_code=status.HTTP_200_OK,
    summary="Browse available products",
)
def list_products(
    db: Annotated[Session, Depends(get_db)],
) -> list[ProductResponse]:
    products = ProductService(db).list_available_products()
    return [ProductResponse.model_validate(product) for product in products]


@router.post(
    "",
    response_model=ProductResponse,
    status_code=status.HTTP_201_CREATED,
    summary="Create a product (shop only)",
)
def create_product(
    payload: ProductCreate,
    db: Annotated[Session, Depends(get_db)],
    current_shop: Annotated[User, Depends(get_current_shop)],
) -> ProductResponse:
    product = ProductService(db).create_product(payload, current_shop)
    return ProductResponse.model_validate(product)