import {z} from 'zod'

export type GetApiV1MarketSymbolStatsArgs = {symbol: string, start_time?: (string | null) | undefined, end_time?: (string | null) | undefined, limit?: (number | null) | undefined, timeframe?: (string | null) | undefined};

export type GetApiV1MarketSymbolStatsOptions = {baseUrl?: string | undefined, PhoenixBearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const marketStatsPoint = z.object({mark_price: z.number(), open_interest: z.number(), slot: z.number().int(), spot_price: z.number(), timestamp: z.string(), total_maker_fees: z.number().nullable().optional(), total_taker_fees: z.number().nullable().optional()});

export const marketStatsHistoryResponse = z.object({market_id: z.number().int(), stats: z.array(marketStatsPoint), symbol: z.string(), timeframe: 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
};

/**
 * Get market stats history
 * 
 * GET /v1/market/{symbol}/stats
 */
export const getApiV1MarketSymbolStats = async (args: GetApiV1MarketSymbolStatsArgs, options?: GetApiV1MarketSymbolStatsOptions) => {
const {baseUrl = "https://perp-api.phoenix.trade", fetch: fetchFn = fetch, PhoenixBearerAuth} = options ?? {}

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

if (args.start_time != null) query.append("start_time", String(args.start_time))
if (args.end_time != null) query.append("end_time", String(args.end_time))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.timeframe != null) query.append("timeframe", String(args.timeframe))
if (PhoenixBearerAuth !== undefined) headers.set('authorization', `Bearer ${PhoenixBearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/market/${encodeURIComponent(String(args.symbol))}/stats${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(marketStatsHistoryResponse, await res.json())
};