import {z} from 'zod'

export type GetApiIserverSecdefStrikesArgs = {conid: string, sectype: string, month: string, exchange?: string | undefined};

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

export const getApiIserverSecdefStrikesResponse = z.object({call: z.array(z.string()).optional(), put: z.array(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
};

/**
 * Search Strikes
 * 
 * GET /iserver/secdef/strikes
 */
export const getApiIserverSecdefStrikes = async (args: GetApiIserverSecdefStrikesArgs, options?: GetApiIserverSecdefStrikesOptions) => {
const {baseUrl = "http://localhost:5000/v1/api", fetch: fetchFn = fetch} = options ?? {}

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

if (args.conid != null) query.append("conid", String(args.conid))
if (args.sectype != null) query.append("sectype", String(args.sectype))
if (args.month != null) query.append("month", String(args.month))
if (args.exchange != null) query.append("exchange", String(args.exchange))

const url = `${baseUrl.replace(/\/+$/, '')}/iserver/secdef/strikes${query.size > 0 ? `?${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(getApiIserverSecdefStrikesResponse, await res.json())
};