import {z} from 'zod'

export type GetApiExternalWalletsArgs = {$cursor?: string | undefined, type: Array<'SELF' | 'EXTERNAL'>, $expand: 'primarydomain'};

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

export const ownerAddress = z.string();

export const domainName = z.string();

export const minimalWalletResponse = z.object({"@type": z.literal("unstoppabledomains.com/partner.v3.WalletMinimal"), address: ownerAddress, type: z.enum(["SELF", "EXTERNAL"]), primaryDomain: domainName.nullable().optional()});

export const cursorListResponseNext = z.object({$cursor: z.string().nullable()});

export const walletListResponse = z.object({"@type": z.literal("unstoppabledomains.com/partner.v3.CursorList"), items: z.array(minimalWalletResponse), next: cursorListResponseNext.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
};

/**
 * Get list of self-custody wallets
 * 
 * GET /external/wallets
 */
export const getApiExternalWallets = async (args: GetApiExternalWalletsArgs, options?: GetApiExternalWalletsOptions) => {
const {baseUrl = "https://api.unstoppabledomains.com/partner/v3", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (args.$cursor != null) query.append("$cursor", String(args.$cursor))
for (const item of args.type ?? []) query.append("type", String(item))
if (args.$expand != null) query.append("$expand", String(args.$expand))
if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

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