import {z} from 'zod'

export type GetApiApiV2WidgetsWalletArgs = {includeDto?: boolean | undefined, purchaseAmount?: number | undefined, 'filter[userReference]'?: string | undefined, 'filter[secondaryUserReference]'?: string | undefined, 'filter[phoneNumber]'?: string | undefined, 'Client-ID': string, Authorization: string};

export type GetApiApiV2WidgetsWalletOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const walletWidgetData = z.object({id: z.string(), type: z.literal("WalletWidgetData"), attributes: z.object({payload: z.string().optional(), dto: z.object({dynamic: z.object({value: z.number()})}).optional()}), relationships: z.object({wallet: z.object({data: z.object({id: z.string(), type: z.literal("Wallet")})})}), links: z.object({self: z.string()})});

export const findWalletWidgetDataV2Response = z.object({data: walletWidgetData.nullable()});

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
};

/**
 * Find Wallet Widget Data (V2)
 * 
 * GET /api/v2/widgets/wallet
 */
export const getApiApiV2WidgetsWallet = async (args: GetApiApiV2WidgetsWalletArgs, options?: GetApiApiV2WidgetsWalletOptions) => {
const {baseUrl = "https://merchant-api.accruesavings.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.includeDto != null) query.append("includeDto", String(args.includeDto))
if (args.purchaseAmount != null) query.append("purchaseAmount", String(args.purchaseAmount))
if (args['filter[userReference]'] != null) query.append("filter[userReference]", String(args['filter[userReference]']))
if (args['filter[secondaryUserReference]'] != null) query.append("filter[secondaryUserReference]", String(args['filter[secondaryUserReference]']))
if (args['filter[phoneNumber]'] != null) query.append("filter[phoneNumber]", String(args['filter[phoneNumber]']))
if (args['Client-ID'] != null) headers.set("Client-ID", String(args['Client-ID']))
if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/widgets/wallet${query.size > 0 ? `?${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(findWalletWidgetDataV2Response, await res.json())
};