import {z} from 'zod'

export type GetApiTradesArgs = {market?: string | undefined, limit?: number | undefined, page?: number | undefined, start_time?: number | undefined, end_time?: number | undefined};

export type GetApiTradesOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, TimestampAuth?: string | undefined, SignatureAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const userTrade = z.object({trade_id: z.string().optional(), order_id: z.string().optional(), client_order_id: z.string().optional(), market: z.string().optional(), side: z.enum(["buy", "sell"]).optional(), price: z.string().optional(), quantity: z.string().optional(), total_value: z.string().optional(), fee: z.string().optional(), timestamp: z.number().int().optional()});

export const getApiTradesResponse = z.array(userTrade);

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
};

/**
 * List trade history
 * 
 * GET /trades
 */
export const getApiTrades = async (args: GetApiTradesArgs, options?: GetApiTradesOptions) => {
const {baseUrl = "https://api.altcointrader.co.za", fetch: fetchFn = fetch, ApiKeyAuth, TimestampAuth, SignatureAuth} = options ?? {}

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

if (args.market != null) query.append("market", String(args.market))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.page != null) query.append("page", String(args.page))
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 (ApiKeyAuth !== undefined) headers.set("X-API-KEY", ApiKeyAuth)
if (TimestampAuth !== undefined) headers.set("X-TIMESTAMP", TimestampAuth)
if (SignatureAuth !== undefined) headers.set("X-SIGNATURE", SignatureAuth)

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