import {z} from 'zod'

export type GetApiV1MarketStatusOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const marketStatusDto = z.object({asOf: z.string().optional(), date: z.string().optional(), session: z.string().nullable().optional(), isOpen: z.boolean().optional(), dayKind: z.string().nullable().optional(), holidayName: z.string().nullable().optional(), regularOpen: z.string().nullable().optional(), regularClose: z.string().nullable().optional(), extendedHoursStart: z.string().nullable().optional(), extendedHoursEnd: z.string().nullable().optional(), nextOpen: z.string().nullable().optional(), nextClose: z.string().nullable().optional(), calendarHorizon: z.string().optional(), timeZone: z.string().nullable().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
};

/**
 * Current US equity market status (NYSE/Nasdaq), evaluated in America/New_York: whether the market is open, the current session (pre-market, regular, after-hours, or closed), whether today is a full-day holiday or a 1:00 p.m. ET early close, today's regular hours, and the next open and close. Backed by the exchange's curated holiday and early-close calendar.
 * 
 * GET /v1/market/status
 */
export const getApiV1MarketStatus = async (options?: GetApiV1MarketStatusOptions) => {
const {baseUrl = "https://api.equibles.com", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (ApiKey !== undefined) headers.set('authorization', `Bearer ${ApiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/market/status${query.size > 0 ? `?${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(marketStatusDto, await res.json())
};