import {z} from 'zod'

export type CreatePreAuthRequestDto = {paymentToken: string, merchantUserId: string, amount: number, currency: string, merchantRef: string, merchantMetadata?: Record<string, never> | undefined};

export type CreateApiTokenizedPaymentV1PreAuthsArgs = {'X-ShopBack-Idempotent-Id': string, body: CreatePreAuthRequestDto};

export type CreateApiTokenizedPaymentV1PreAuthsOptions = {baseUrl?: string | undefined, bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const preAuthResponseDto = z.object({id: z.string(), merchantRef: z.string(), status: z.enum(["PENDING", "AUTHORIZED", "CAPTURE_INITIATED", "CAPTURED", "VOIDED", "DECLINED", "EXPIRED"]), amount: z.number(), currency: z.string(), orderUuid: z.string().nullable(), orderStatus: z.string().nullable(), failureReason: z.string().nullable(), merchantMetadata: z.object({}).nullable(), createdAt: z.string(), updatedAt: 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
};

/**
 * Create a pre-authorization
 * 
 * POST /tokenized-payment/v1/pre-auths
 */
export const createApiTokenizedPaymentV1PreAuths = async (args: CreateApiTokenizedPaymentV1PreAuthsArgs, options?: CreateApiTokenizedPaymentV1PreAuthsOptions) => {
const {baseUrl = "https://integrations-sandbox.shopback.com/demo/merchant", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (args['X-ShopBack-Idempotent-Id'] != null) headers.set("X-ShopBack-Idempotent-Id", String(args['X-ShopBack-Idempotent-Id']))
if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/tokenized-payment/v1/pre-auths${query.size > 0 ? `?${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(preAuthResponseDto, await res.json())
};