import {z} from 'zod'

export type GetApiApiMarketOiChangeArgs = {date?: string | undefined, limit?: number | undefined, order?: ('desc' | 'asc') | undefined};

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

export const oIChangeEntry = z.object({avg_price: z.string().optional(), curr_date: z.string().optional(), curr_oi: z.number().int().optional(), last_ask: z.string().optional(), last_bid: z.string().optional(), last_date: z.string().optional(), last_fill: z.string().optional(), last_oi: z.number().int().optional(), oi_change: z.string().optional(), oi_diff_plain: z.number().int().optional(), option_symbol: z.string().optional(), percentage_of_total: z.string().optional(), prev_ask_volume: z.number().int().optional(), prev_bid_volume: z.number().int().optional(), prev_mid_volume: z.number().int().optional(), prev_multi_leg_volume: z.number().int().optional(), prev_neutral_volume: z.number().int().optional(), prev_stock_multi_leg_volume: z.number().int().optional(), prev_total_premium: z.string().optional(), rnk: z.number().int().optional(), trades: z.number().int().optional(), underlying_symbol: z.string().optional(), volume: z.number().int().optional()});

export const oIChangeResponse = z.object({data: z.array(oIChangeEntry).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
};

/**
 * Retrieve OI Change
 * 
 * GET /api/market/oi-change
 */
export const getApiApiMarketOiChange = async (args: GetApiApiMarketOiChangeArgs, options?: GetApiApiMarketOiChangeOptions) => {
const {baseUrl = "https://api.unusualwhales.com", fetch: fetchFn = fetch, BearerAuth} = 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.limit != null) query.append("limit", String(args.limit))
if (args.order != null) query.append("order", String(args.order))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/market/oi-change${query.size > 0 ? `?${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(oIChangeResponse, await res.json())
};