import {z} from 'zod'

export type GetApiServicesMetadataApiV1AddressesArgs = {slug?: string | undefined, tagType?: string | undefined, chainId?: unknown | undefined, pageSize?: number | undefined, pageToken?: string | undefined};

export type GetApiServicesMetadataApiV1AddressesOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const v1Pagination = z.object({page_token: z.string().optional(), page_size: z.number().int().optional()});

export const v1GetPublicTagAddressesResponse = z.object({addresses: z.array(z.string()).optional(), items: z.array(z.string()).optional(), nextPageParams: v1Pagination.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
};

/**
 * GET /services/metadata/api/v1/addresses
 * 
 * Also accepts auth: apiKeyAuth
 */
export const getApiServicesMetadataApiV1Addresses = async (args: GetApiServicesMetadataApiV1AddressesArgs, options?: GetApiServicesMetadataApiV1AddressesOptions) => {
const {baseUrl = "https://api.blockscout.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.slug != null) query.append("slug", String(args.slug))
if (args.tagType != null) query.append("tagType", String(args.tagType))
if (args.chainId != null) query.append("chainId", String(args.chainId))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.pageToken != null) query.append("pageToken", String(args.pageToken))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/services/metadata/api/v1/addresses${query.size > 0 ? `?${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(v1GetPublicTagAddressesResponse, await res.json())
};