import {z} from 'zod'

export type ChainName = string;

export type PageCursor = string;

export type PageSize = number;

export type GetApiV1ChainsChainNameNftOwnersArgs = {chain_name: ChainName, from_updated_at?: string | undefined, page_cursor?: PageCursor | undefined, page_size?: PageSize | undefined};

export type GetApiV1ChainsChainNameNftOwnersOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const chain = z.object({id: z.string(), name: z.string()});

export const nFTOwner = z.object({chain: chain, contract_address: z.string(), token_id: z.string(), account_address: z.string(), balance: z.string(), updated_at: z.string().optional()});

export const page = z.object({previous_cursor: z.string().nullable(), next_cursor: z.string().nullable()});

export const listNFTOwnersResult = z.object({result: z.array(nFTOwner), page: page});

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 all NFT owners
 * 
 * GET /v1/chains/{chain_name}/nft-owners
 */
export const getApiV1ChainsChainNameNftOwners = async (args: GetApiV1ChainsChainNameNftOwnersArgs, options?: GetApiV1ChainsChainNameNftOwnersOptions) => {
const {baseUrl = "https://api.sandbox.immutable.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.from_updated_at != null) query.append("from_updated_at", String(args.from_updated_at))
if (args.page_cursor != null) query.append("page_cursor", String(args.page_cursor))
if (args.page_size != null) query.append("page_size", String(args.page_size))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/chains/${encodeURIComponent(String(args.chain_name))}/nft-owners${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(listNFTOwnersResult, await res.json())
};