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// rocie - An enterprise grocery management system
//
// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This file is part of Rocie.
//
// You should have received a copy of the License along with this program.
// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.

use actix_identity::Identity;
use actix_web::{HttpResponse, Responder, Result, get, web};

use crate::{
    app::App,
    storage::sql::{
        product::{ProductId, ProductIdStub},
        product_amount::ProductAmount,
    },
};

/// Get the amount of an product
#[utoipa::path(
    responses(
        (
            status = OK,
            description = "Product found in database and amount fetched",
            body = ProductAmount
        ),
        (
            status = NOT_FOUND,
            description = "Product not found in database"
        ),
        (
            status = UNAUTHORIZED,
            description = "You did not login before calling this endpoint",
        ),
        (
            status = INTERNAL_SERVER_ERROR,
            description = "Server encountered error",
            body = String
        )
    ),
    params(
        (
            "id" = ProductId,
            description = "Product id"
        ),
    )
)]
#[get("/inventory/{id}")]
pub(crate) async fn amount_by_id(
    app: web::Data<App>,
    id: web::Path<ProductIdStub>,
    _user: Identity,
) -> Result<impl Responder> {
    let id = id.into_inner();

    match ProductAmount::from_id(&app, id.into()).await? {
        Some(product) => Ok(HttpResponse::Ok().json(product)),
        None => Ok(HttpResponse::NotFound().finish()),
    }
}