import {z} from 'zod'

export type CoinNonEmptyString = string;

export type WalletIdNonEmptyString = string;

export type GetApiApiV2CoinWalletWalletIdShieldedunspentsArgs = {limit?: unknown | undefined, prevId?: string | undefined, spendState?: ('UNSPENT' | 'PENDING_SPEND' | 'SPENT') | undefined, minValue?: string | undefined, coin: CoinNonEmptyString, walletId: WalletIdNonEmptyString};

export type GetApiApiV2CoinWalletWalletIdShieldedunspentsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const shieldedSpendState = z.enum(["UNSPENT", "PENDING_SPEND", "SPENT"]);

export const shieldedNoteDirection = z.enum(["incoming", "outgoing"]);

export const walletShieldedUnspentsResponse = z.object({notes: z.array(z.object({id: z.string(), address: z.string(), valueString: z.string(), blockHeight: z.number(), date: z.string(), spendState: shieldedSpendState, hasLeafPosition: z.boolean(), txid: z.string(), direction: shieldedNoteDirection})), nextBatchPrevId: 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
};

/**
 * List a wallet's shielded notes
 * 
 * GET /api/v2/{coin}/wallet/{walletId}/shieldedunspents
 */
export const getApiApiV2CoinWalletWalletIdShieldedunspents = async (args: GetApiApiV2CoinWalletWalletIdShieldedunspentsArgs, options: GetApiApiV2CoinWalletWalletIdShieldedunspentsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.prevId != null) query.append("prevId", String(args.prevId))
if (args.spendState != null) query.append("spendState", String(args.spendState))
if (args.minValue != null) query.append("minValue", String(args.minValue))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/${encodeURIComponent(String(args.coin))}/wallet/${encodeURIComponent(String(args.walletId))}/shieldedunspents${query.size > 0 ? `?${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(walletShieldedUnspentsResponse, await res.json())
};