import {z} from 'zod'

export type GetApiIserverMarketdataHistoryArgs = {conid: string, exchange?: string | undefined, period: string, bar?: string | undefined, outsideRth?: boolean | undefined};

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

export const historyData = z.object({symbol: z.string().optional(), text: z.string().optional(), priceFactor: z.number().int().optional(), startTime: z.string().optional(), high: z.string().optional(), low: z.string().optional(), timePeriod: z.string().optional(), barLength: z.number().int().optional(), mdAvailability: z.string().optional(), mktDataDelay: z.number().int().optional(), outsideRth: z.boolean().optional(), tradingDayDuration: z.number().int().optional(), volumeFactor: z.number().int().optional(), priceDisplayRule: z.number().int().optional(), priceDisplayValue: z.string().optional(), negativeCapable: z.boolean().optional(), messageVersion: z.number().int().optional(), data: z.array(z.object({o: z.number().optional(), c: z.number().optional(), h: z.number().optional(), l: z.number().optional(), v: z.number().optional(), t: z.number().optional()})).optional(), points: z.number().int().optional(), travelTime: z.number().int().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
};

/**
 * Market Data History
 * 
 * GET /iserver/marketdata/history
 */
export const getApiIserverMarketdataHistory = async (args: GetApiIserverMarketdataHistoryArgs, options?: GetApiIserverMarketdataHistoryOptions) => {
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.exchange != null) query.append("exchange", String(args.exchange))
if (args.period != null) query.append("period", String(args.period))
if (args.bar != null) query.append("bar", String(args.bar))
if (args.outsideRth != null) query.append("outsideRth", String(args.outsideRth))

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