import { getArticle } from '../../../services/article/getArticle.js';

/**
 * Registers the full article lookup route backed by MSSQL.
 * @param {import('express').Application} app - Express app
 * @param {string} [basePath=''] - Optional URL prefix for all routes in this module
 */
export function register(app, basePath = '') {
    /**
     * @route GET /article/get
     * @description Look up a single article by exact article number, EAN, or barcode.
     * @query {string} target - Article number, packaging EAN, or barcode
     * @returns {Object} 200 - `{ article }` with enriched article data
     * @returns {Object} 400 - `{ error }` when target is missing
     * @returns {Object} 404 - `{ error }` when no article matches
     */
    app.get(`${basePath}/article/get`, async (req, res) => {
        const target = req.query.target;

        if (!target || !String(target).trim()) {
            return res.status(400).json({ error: 'Query parameter "target" is required' });
        }

        try {
            const article = await getArticle(String(target));
            if (!article) {
                return res.status(404).json({ error: 'Article not found' });
            }
            return res.status(200).json({ article });
        } catch (error) {
            return res.status(500).json({ error: error.message });
        }
    });
}