import {z} from 'zod'

export type SellerId = string;

export type GetApiV1ChannelOfferStockUpdatesArgs = {updatedAfter: string, sellerId: SellerId};

export type GetApiV1ChannelOfferStockUpdatesOptions = {baseUrl?: string | undefined, ChannelAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const sellerId = z.string();

export const offerId = z.number().int().gte(1);

export const channelOfferId = z.string().min(1).max(100);

export const stock = z.object({sellerId: sellerId, offerId: offerId, channelOfferId: channelOfferId, quantity: z.number().int().gte(0), updatedAt: z.string()});

export const stockList = z.object({stockUpdateList: z.array(stock), lastUpdatedAt: z.string()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Stock Updates (by Seller)
 * 
 * GET /v1/channel/offer/stock-updates
 */
export const getApiV1ChannelOfferStockUpdates = async (args: GetApiV1ChannelOfferStockUpdatesArgs, options?: GetApiV1ChannelOfferStockUpdatesOptions) => {
const {baseUrl = "https://scx-sbx.api.jtl-software.com", fetch: fetchFn = fetch, ChannelAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.updatedAfter != null) query.append("updatedAfter", String(args.updatedAfter))
if (args.sellerId != null) query.append("sellerId", String(args.sellerId))
if (ChannelAuth !== undefined) headers.set('authorization', `Bearer ${ChannelAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/channel/offer/stock-updates${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(stockList, await res.json())
};