import {z} from 'zod'

export type GetApiIserverContractConidInfoAndRulesArgs = {conid: string, isBuy: boolean};

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

export const getApiIserverContractConidInfoAndRulesResponse = z.object({cfi_code: z.string().optional(), symbol: z.string().optional(), cusip: z.string().optional(), expiry_full: z.number().optional(), con_id: z.number().optional(), maturity_date: z.number().optional(), industry: z.string().optional(), instrument_type: z.string().optional(), trading_class: z.string().optional(), valid_exchanges: z.string().optional(), allow_sell_long: z.boolean().optional(), is_zero_commission_security: z.boolean().optional(), local_symbol: z.string().optional(), classifier: z.string().optional(), currency: z.string().optional(), text: z.string().optional(), underlying_con_id: z.number().optional(), r_t_h: z.boolean().optional(), multiplier: z.string().optional(), strike: z.string().optional(), right: z.string().optional(), underlying_issuer: z.string().optional(), contract_month: z.string().optional(), company_name: z.string().optional(), smart_available: z.boolean().optional(), exchange: z.string().optional(), rules: z.array(z.object({algoEligible: z.boolean().optional(), canTradeAcctIds: z.array(z.number().int()).optional(), error: z.string().optional(), orderTypes: z.array(z.number().int()).optional(), ibalgoTypes: z.array(z.number().int()).optional(), fraqTypes: z.array(z.number().int()).optional(), cqtTypes: z.array(z.number().int()).optional(), orderDefaults: z.array(z.object({string: z.array(z.string()).optional()})).optional(), orderTypesOutside: z.array(z.number().int()).optional(), defaultSize: z.number().int().optional(), cashSize: z.number().int().optional(), sizeIncrement: z.number().int().optional(), tifTypes: z.array(z.number().int()).optional(), defaultTIF: z.string().optional(), limitPrice: z.number().optional(), stopprice: z.number().optional(), orderOrigination: z.number().optional(), preview: z.boolean().optional(), displaySize: z.number().optional(), fraqInt: z.number().optional(), cashCcy: z.string().optional(), cashQtyIncr: z.number().optional(), priceMagnifier: z.number().optional(), negativeCapable: z.boolean().optional(), increment: z.number().optional(), incrementDigits: z.number().int().optional()})).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
};

/**
 * Info and Rules
 * 
 * GET /iserver/contract/{conid}/info-and-rules
 */
export const getApiIserverContractConidInfoAndRules = async (args: GetApiIserverContractConidInfoAndRulesArgs, options?: GetApiIserverContractConidInfoAndRulesOptions) => {
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.isBuy != null) query.append("isBuy", String(args.isBuy))

const url = `${baseUrl.replace(/\/+$/, '')}/iserver/contract/${encodeURIComponent(String(args.conid))}/info-and-rules${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(getApiIserverContractConidInfoAndRulesResponse, await res.json())
};