import {z} from 'zod'

export type GetApiAssetTypesArgs = {assetTypes?: Array<string> | undefined, assetFeatures?: (Array<'TRANSFERS' | 'HOLDS'>) | undefined};

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

export const supportedFeature = z.enum(["TRANSFERS", "HOLDS"]);

export const assetTypeDetails = z.object({assetType: z.string(), decimals: z.number().int(), featureSupport: z.array(supportedFeature), name: z.string(), networkId: z.string().optional(), onchainIdentifier: z.string().optional()});

export const assetTypesResponse = z.object({data: z.array(assetTypeDetails)});

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 supported asset types
 * 
 * GET /asset-types
 */
export const getApiAssetTypes = async (args: GetApiAssetTypesArgs, options?: GetApiAssetTypesOptions) => {
const {baseUrl = "https://api.anchorage-staging.com/v2", fetch: fetchFn = fetch, ApiAccessKey} = options ?? {}

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

if (args.assetTypes != null) query.append("assetTypes", args.assetTypes.join(','))
if (args.assetFeatures != null) query.append("assetFeatures", args.assetFeatures.join(','))
if (ApiAccessKey !== undefined) headers.set("Api-Access-Key", ApiAccessKey)

const url = `${baseUrl.replace(/\/+$/, '')}/asset-types${query.size > 0 ? `?${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(assetTypesResponse, await res.json())
};