import { OrderSchema } from '@spree/admin-sdk/zod'

const order = OrderSchema.parse(await adminClient.orders.get('or_xxx'))  // throws on a shape mismatch

import { createClient } from '@spree/sdk'

const client = createClient({
  baseUrl: 'https://shop.example.com',
  publishableKey: 'pk_xxx',
  // optional defaults, sent as X-Spree-* headers
  country: 'DE', locale: 'de', currency: 'EUR', channel: 'online',
})

const { data: products, meta } = await client.products.list({ name_cont: 'shirt', limit: 24, expand: ['default_variant'] })
const product = await client.products.get('classic-tee')         // id or slug

// Customer login: tokens aren't stored on the client; pass them per request
const { token, refresh_token, user } = await client.auth.login({ email, password })
const { data: orders } = await client.customer.orders.list({}, { token })
const fresh = await client.auth.refresh({ refresh_token })        // rotates both tokens
await client.auth.logout({ refresh_token })

// Third-party IdP (strategy registered on the server)
await client.auth.login({ provider: 'external_idp', token: idpJwt })

let cart = await client.carts.create()
const opts = { spreeToken: cart.token }            // or { token } for a signed-in customer

cart = await client.carts.items.create(cart.id, { variant_id: 'variant_xxx', quantity: 1 }, opts)
cart = await client.carts.update(cart.id, { email, shipping_address, use_shipping: true }, opts)
// cart.requirements → [{ step, field, code, message }] (what still blocks completion)

const result = await client.carts.complete(cart.id, opts)  // Order (or_…, order.cart_id === cart.id) | OrderGroup (ogrp_…)

await client.products.list({ page: 2, limit: 50, name_cont: 'shirt', sort: '-created_at', expand: ['media'], fields: ['name', 'slug'] })

import { SpreeError } from '@spree/sdk'

try { await client.carts.items.create(cartId, { variant_id, quantity: 1 }, opts) }
catch (err) {
  if (err instanceof SpreeError) {
    err.status   // 422
    err.code     // 'insufficient_stock' | 'validation_error' | ...
    err.details  // { quantity: ['...'] } (attribute keys; 'base' = form-level)
  }
  throw err
}

import { createAdminClient } from '@spree/admin-sdk'

// Integration (server only)
const admin = createAdminClient({ baseUrl, secretKey: process.env.SPREE_SECRET_KEY! })

const { data: orders } = await admin.orders.list({ status_eq: 'placed', sort: '-completed_at' })
const order = await admin.orders.get('or_xxx', { expand: ['items', 'payments', 'fulfillments'] })
await admin.orders.cancel('or_xxx', { cancel_reason_id: 'ocr_xxx', cancel_note: 'Customer request' })
await admin.orders.refunds.create('or_xxx', { payment_id: 'py_xxx', amount: '25.00', refund_reason_id: 'rr_xxx' })  // refund_reason_id, not reason_id

// app/api/webhooks/spree/route.ts (Node runtime)
import { verifyWebhookSignature, type WebhookEvent } from '@spree/sdk/webhooks'
import type { Order } from '@spree/sdk'

export async function POST(request: Request) {
  const rawBody = await request.text()                       // raw bytes, before JSON.parse
  const ok = verifyWebhookSignature(
    rawBody,
    request.headers.get('x-spree-webhook-signature') ?? '',
    request.headers.get('x-spree-webhook-timestamp') ?? '',
    process.env.SPREE_WEBHOOK_SECRET!,
    300,                                                      // replay tolerance (seconds)
  )
  if (!ok) return new Response('Unauthorized', { status: 401 })

  const event = JSON.parse(rawBody) as WebhookEvent<Order>
  if (event.name === 'order.placed') await syncToERP(event.data)
  return Response.json({ ok: true })
}

import type { PaginatedResponse } from '@spree/sdk'

type Brand = { id: string; name: string; slug: string }

const { data } = await client.request<PaginatedResponse<Brand>>('GET', '/brands', {
  params: { 'q[name_cont]': 'acme', page: 1, limit: 25 },
})
const created = await admin.request<Brand>('POST', '/brands', { body: { name: 'Acme' } })

import type { RequestFn, PaginatedResponse } from '@spree/sdk'

export class BrandsClient {
  constructor(private readonly request: RequestFn) {}
  list(params: { page?: number; limit?: number; name_cont?: string } = {}) {
    const { page, limit, ...predicates } = params
    const q = Object.fromEntries(Object.entries(predicates).map(([k, v]) => [`q[${k}]`, v]))
    return this.request<PaginatedResponse<Brand>>('GET', '/brands', { params: { page, limit, ...q } })
  }
  get(id: string) { return this.request<Brand>('GET', `/brands/${id}`) }
}

import { createClient, type Client, type ClientConfig } from '@spree/sdk'

export interface ExtendedClient extends Client { brands: BrandsClient }

export function createExtendedClient(config: ClientConfig): ExtendedClient {
  const client = createClient(config) as ExtendedClient
  client.brands = new BrandsClient(client.request)
  return client
}

server.use(
  http.get('https://test.spree.local/api/v3/store/products', () =>
    HttpResponse.json({ data: [{ id: 'prod_test1', name: 'Test' }], meta: { page: 1, limit: 25, count: 1, pages: 1 } })),
)
const client = createClient({ baseUrl: 'https://test.spree.local', publishableKey: 'pk_test' })