import {z} from 'zod'

export type GetApiV1ShortVolumeLargestArgs = {date?: string | undefined, minShortVolume?: number | undefined, sortBy?: string | undefined, minTotalVolume?: number | undefined, limit?: number | undefined, offset?: number | undefined};

export type GetApiV1ShortVolumeLargestOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const largestShortVolumeDto = z.object({ticker: z.string().nullable().optional(), name: z.string().nullable().optional(), shortVolume: z.number().int().optional(), shortExemptVolume: z.number().int().optional(), totalVolume: z.number().int().optional(), shortVolumePercent: z.number().optional()});

export const largestShortVolumeResponse = z.object({date: z.string().nullable().optional(), data: z.array(largestShortVolumeDto).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
};

/**
 * Exact stock and ETF listings with the largest daily short volume for a single trading day, sorted by short volume descending by default. Volumes cover FINRA-reported off-exchange facility trades only, so a 40-50% short percentage is the normal baseline. Pass sortBy=shortPercent with a minTotalVolume floor to rank by short intensity instead of raw size.
 * 
 * GET /v1/short-volume/largest
 */
export const getApiV1ShortVolumeLargest = async (args: GetApiV1ShortVolumeLargestArgs, options?: GetApiV1ShortVolumeLargestOptions) => {
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 (args.date != null) query.append("date", String(args.date))
if (args.minShortVolume != null) query.append("minShortVolume", String(args.minShortVolume))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))
if (args.minTotalVolume != null) query.append("minTotalVolume", String(args.minTotalVolume))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (ApiKey !== undefined) headers.set('authorization', `Bearer ${ApiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/short-volume/largest${query.size > 0 ? `?${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(largestShortVolumeResponse, await res.json())
};