import { initContract } from '@ts-rest/core';
import { z } from 'zod';
import { errorResponseSchema } from '../schemas/common.schemas';

const c = initContract();

const barcodeProductSchema = z.object({
  id: z.string().uuid(),
  barcode: z.string(),
  name: z.string(),
  brand: z.string().nullable(),
  category: z.string().nullable(),
  imageUrl: z.string().nullable(),
});

export const shopkeeperBarcodesContract = c.router({
  lookupBarcode: {
    method: 'GET',
    path: '/shopkeeper/barcodes/:barcode',
    pathParams: z.object({ barcode: z.string() }),
    responses: {
      200: barcodeProductSchema.nullable(),
      401: errorResponseSchema,
    },
    summary: 'Lookup product by barcode',
  },
  submitBarcode: {
    method: 'POST',
    path: '/shopkeeper/barcodes',
    body: z.object({
      barcode: z.string(),
      name: z.string().min(1),
      brand: z.string().optional(),
      category: z.string().optional(),
    }),
    responses: {
      201: barcodeProductSchema,
      400: errorResponseSchema,
      401: errorResponseSchema,
      409: errorResponseSchema,
    },
    summary: 'Submit new barcode→product mapping',
  },
});