import {z} from 'zod'

export type OcapiV1VouchersVoucherType = 'Ticket' | 'Subscription' | 'Deal';

export type OcapiV1VouchersVoucherCredentials = {barcode: string, pin?: (string | null) | undefined};

export type OcapiV1OrdersVouchersRequestsOrderDealVoucherRequest = {type: OcapiV1VouchersVoucherType, credentials: OcapiV1VouchersVoucherCredentials};

export type OcapiV1OrdersVouchersRequestsOrderSubscriptionVoucherRequest = {type: OcapiV1VouchersVoucherType, credentials: OcapiV1VouchersVoucherCredentials};

export type OcapiV1OrdersVouchersRequestsOrderTicketVoucherRequest = {type: OcapiV1VouchersVoucherType, credentials: OcapiV1VouchersVoucherCredentials};

export type CreateApiOcapiV1OrdersOrderIdVouchersArgs = {orderId: string, 'Connect-Region-Code'?: string | undefined, body: OcapiV1OrdersVouchersRequestsOrderDealVoucherRequest | OcapiV1OrdersVouchersRequestsOrderSubscriptionVoucherRequest | OcapiV1OrdersVouchersRequestsOrderTicketVoucherRequest};

export type CreateApiOcapiV1OrdersOrderIdVouchersOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const ocapiV1VouchersVoucherType = z.enum(["Ticket", "Subscription", "Deal"]);

export const ocapiV1Translation = z.object({languageTag: z.string().min(1), text: z.string().min(1)});

export const ocapiV1Translatable = z.object({text: z.string().min(1), translations: z.array(ocapiV1Translation)});

export const ocapiV1OrdersVouchersOrderVoucher = z.object({id: z.string().min(1), type: ocapiV1VouchersVoucherType, maskedBarcode: z.string().min(1), voucherTypeCode: z.string().min(1), voucherTypeDescription: ocapiV1Translatable.optional()});

export const ocapiV1OrdersVouchersOrderVoucherDetails = z.object({voucher: ocapiV1OrdersVouchersOrderVoucher, availableRedemptions: z.number().int()});

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
};

/**
 * Adds a voucher to an in progress order base
 * 
 * POST /ocapi/v1/orders/{orderId}/vouchers
 */
export const createApiOcapiV1OrdersOrderIdVouchers = async (args: CreateApiOcapiV1OrdersOrderIdVouchersArgs, options: CreateApiOcapiV1OrdersOrderIdVouchersOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args['Connect-Region-Code'] != null) headers.set("Connect-Region-Code", String(args['Connect-Region-Code']))

const url = `${baseUrl.replace(/\/+$/, '')}/ocapi/v1/orders/${encodeURIComponent(String(args.orderId))}/vouchers${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(ocapiV1OrdersVouchersOrderVoucherDetails, await res.json())
};