import {z} from 'zod'

export type GetApiV2TestValidateArgs = {id: number, tag?: (Array<'one' | 'two'>) | undefined, enabled?: boolean | undefined, 'user-agent'?: string | undefined};

export type GetApiV2TestValidateOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV2TestValidateResponse = z.object({header: z.object({"user-agent": z.string().optional()}).optional(), query: z.object({id: z.number().int(), enabled: z.boolean().optional(), tag: z.array(z.string()).optional()}).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
};

/**
 * Validate input
 * 
 * GET /v2/test/validate
 */
export const getApiV2TestValidate = async (args: GetApiV2TestValidateArgs, options?: GetApiV2TestValidateOptions) => {
const {baseUrl = "https://api.shutterstock.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.id != null) query.append("id", String(args.id))
for (const item of args.tag ?? []) query.append("tag", String(item))
if (args.enabled != null) query.append("enabled", String(args.enabled))
if (args['user-agent'] != null) headers.set("user-agent", String(args['user-agent']))

const url = `${baseUrl.replace(/\/+$/, '')}/v2/test/validate${query.size > 0 ? `?${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(getApiV2TestValidateResponse, await res.json())
};