import {z} from 'zod'

export type GetApiSymbolSearchArgs = {symbol: string, outputsize?: number | undefined, show_plan?: boolean | undefined};

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

export const symbolSearchResponseItemAccess = z.object({global: z.string(), plan: z.string(), plan_business: z.string()});

export const symbolSearchResponseItem = z.object({symbol: z.string(), instrument_name: z.string(), exchange: z.string(), mic_code: z.string(), exchange_timezone: z.string(), instrument_type: z.string(), country: z.string(), currency: z.string(), access: symbolSearchResponseItemAccess.optional()});

export const getApiSymbolSearchResponse = z.object({data: z.array(symbolSearchResponseItem), status: z.string()});

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
};

/**
 * Symbol search
 * 
 * GET /symbol_search
 * 
 * Also accepts auth: queryParameter
 */
export const getApiSymbolSearch = async (args: GetApiSymbolSearchArgs, options?: GetApiSymbolSearchOptions) => {
const {baseUrl = "https://api.twelvedata.com", fetch: fetchFn = fetch, authorizationHeader} = options ?? {}

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

if (args.symbol != null) query.append("symbol", String(args.symbol))
if (args.outputsize != null) query.append("outputsize", String(args.outputsize))
if (args.show_plan != null) query.append("show_plan", String(args.show_plan))
if (authorizationHeader !== undefined) headers.set("Authorization", authorizationHeader)

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