import {z} from 'zod'

export type GetApiV1ReferralArgs = {order?: 'desc' | undefined, limit?: number | undefined, cursor?: string | undefined, subaccount?: unknown | undefined, orderBy?: 'createdAt' | undefined, 'X-Ethereal-Auth': string, 'X-Ethereal-Sender': unknown, 'X-Ethereal-Signature': unknown, 'X-Ethereal-Intent': number, 'X-Ethereal-SignedAt': string};

export type GetApiV1ReferralOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const referralDto = z.object({code: z.string().optional(), codeUsageRemaining: z.number().int(), createdAt: z.number().int(), id: z.string(), referee: z.string(), refereeTotalPoints: z.string(), referrer: z.string().optional()});

export const pageOfReferralDtos = z.object({data: z.array(referralDto), hasNext: z.boolean(), nextCursor: z.string().optional()});

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
};

/**
 * Returns paginated list of referrals for the sender
 * 
 * GET /v1/referral
 */
export const getApiV1Referral = async (args: GetApiV1ReferralArgs, options?: GetApiV1ReferralOptions) => {
const {baseUrl = "https://api.ethereal.trade", fetch: fetchFn = fetch} = options ?? {}

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

if (args.order != null) query.append("order", String(args.order))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.subaccount != null) query.append("subaccount", String(args.subaccount))
if (args.orderBy != null) query.append("orderBy", String(args.orderBy))
if (args['X-Ethereal-Auth'] != null) headers.set("X-Ethereal-Auth", String(args['X-Ethereal-Auth']))
if (args['X-Ethereal-Sender'] != null) headers.set("X-Ethereal-Sender", String(args['X-Ethereal-Sender']))
if (args['X-Ethereal-Signature'] != null) headers.set("X-Ethereal-Signature", String(args['X-Ethereal-Signature']))
if (args['X-Ethereal-Intent'] != null) headers.set("X-Ethereal-Intent", String(args['X-Ethereal-Intent']))
if (args['X-Ethereal-SignedAt'] != null) headers.set("X-Ethereal-SignedAt", String(args['X-Ethereal-SignedAt']))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/referral${query.size > 0 ? `?${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(pageOfReferralDtos, await res.json())
};