import {z} from 'zod'

export type PydanticObjectId = string;

export type BulkIssueRecipient = {customerEmail?: (string | null) | undefined, customerPhone?: (unknown | null) | undefined, customerName?: (string | null) | undefined, senderName?: (string | null) | undefined, customMessage?: (string | null) | undefined};

export type BulkIssueGiftCardRequest = {initialValue: number | string, isPhysical?: boolean | undefined, designTemplate?: (string | null) | undefined, expiresAt?: (string | null) | undefined, count?: (number | null) | undefined, recipients?: (Array<BulkIssueRecipient> | null) | undefined};

export type CreateApiV2GiftcardsProgramsProgramIdCardsBulkArgs = {programId: PydanticObjectId | null, cardId?: (PydanticObjectId | null) | undefined, 'idempotency-key'?: (string | null) | undefined, 'X-Eposn-Customer-Token'?: (string | null) | undefined, 'X-Eposn-Merchant-Token'?: (string | null) | undefined, body: BulkIssueGiftCardRequest};

export type CreateApiV2GiftcardsProgramsProgramIdCardsBulkOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const bulkIssuedCardSummary = z.object({id: z.string(), cardNumber: z.string(), lastFourDigits: z.string()});

export const bulkIssuanceSyncResponse = z.object({issuedCount: z.number().int(), cards: z.array(bulkIssuedCardSummary), csvDownloadUrl: z.string().nullable().optional(), failedCount: z.number().int().nullable().optional()});

export const bulkIssuanceAsyncResponse = z.object({taskId: z.string(), status: z.string().optional()});

export const createApiV2GiftcardsProgramsProgramIdCardsBulkResponse = z.union([bulkIssuanceSyncResponse, bulkIssuanceAsyncResponse]);

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
};

/**
 * Issue multiple gift cards
 * 
 * POST /v2/giftcards/programs/{programId}/cards/bulk
 */
export const createApiV2GiftcardsProgramsProgramIdCardsBulk = async (args: CreateApiV2GiftcardsProgramsProgramIdCardsBulkArgs, options?: CreateApiV2GiftcardsProgramsProgramIdCardsBulkOptions) => {
const {baseUrl = "https://api.loyalty.dog", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.cardId != null) query.append("cardId", String(args.cardId))
if (args['idempotency-key'] != null) headers.set("idempotency-key", String(args['idempotency-key']))
if (args['X-Eposn-Customer-Token'] != null) headers.set("X-Eposn-Customer-Token", String(args['X-Eposn-Customer-Token']))
if (args['X-Eposn-Merchant-Token'] != null) headers.set("X-Eposn-Merchant-Token", String(args['X-Eposn-Merchant-Token']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/giftcards/programs/${encodeURIComponent(String(args.programId))}/cards/bulk${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

return validateResponse(createApiV2GiftcardsProgramsProgramIdCardsBulkResponse, await res.json())
};