import {z} from 'zod'

export type GetApiV1MarketsOptionsChainsArgs = {Accept: 'application/json', symbol: string, expiration: string, greeks?: boolean | undefined};

export type GetApiV1MarketsOptionsChainsOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const quote = z.object({symbol: z.string().optional(), description: z.string().optional(), exch: z.string().optional(), type: z.string().optional(), last: z.number().optional(), change: z.number().optional(), volume: z.number().int().optional(), open: z.number().optional(), high: z.number().optional(), low: z.number().optional(), close: z.number().optional(), bid: z.number().optional(), ask: z.number().optional(), change_percentage: z.number().optional(), average_volume: z.number().int().optional(), last_volume: z.number().int().optional(), trade_date: z.number().int().optional(), prevclose: z.number().optional(), week_52_high: z.number().optional(), week_52_low: z.number().optional(), bidsize: z.number().int().optional(), bidexch: z.string().optional(), bid_date: z.number().int().optional(), asksize: z.number().int().optional(), askexch: z.string().optional(), ask_date: z.number().int().optional(), open_interest: z.number().int().optional(), contract_size: z.number().int().optional(), expiration_date: z.string().optional(), expiration_type: z.string().optional(), option_type: z.enum(["call", "put"]).optional(), root_symbol: z.string().optional(), underlying: z.string().optional(), strike: z.number().optional(), lot_size: z.number().int().optional(), greeks: z.object({delta: z.number().optional(), gamma: z.number().optional(), theta: z.number().optional(), vega: z.number().optional(), rho: z.number().optional(), phi: z.number().optional(), bid_iv: z.number().optional(), mid_iv: z.number().optional(), ask_iv: z.number().optional(), smv_vol: z.number().optional(), updated_at: z.string().optional()}).optional()});

export const optionsChainResponse = z.object({options: z.object({option: z.array(quote).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
};

/**
 * Get Options Chains
 * 
 * GET /v1/markets/options/chains
 */
export const getApiV1MarketsOptionsChains = async (args: GetApiV1MarketsOptionsChainsArgs, options?: GetApiV1MarketsOptionsChainsOptions) => {
const {baseUrl = "https://api.tradier.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.Accept != null) headers.set("Accept", String(args.Accept))
if (args.symbol != null) query.append("symbol", String(args.symbol))
if (args.expiration != null) query.append("expiration", String(args.expiration))
if (args.greeks != null) query.append("greeks", String(args.greeks))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/markets/options/chains${query.size > 0 ? `?${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(optionsChainResponse, await res.json())
};