import {z} from 'zod'

export type GetApiLastChangeEndpointArgs = {endpoint: 'price_target' | 'recommendations' | 'statistics' | 'insider_transactions' | 'profile' | 'mutual_funds_world_summary' | 'mutual_funds_world' | 'institutional_holders' | 'analyst_rating' | 'income_statement' | 'income_statement_quarterly' | 'cash_flow' | 'cash_flow_quarterly' | 'balance_sheet' | 'balance_sheet_quarterly' | 'mutual_funds_list' | 'mutual_funds_world_sustainability' | 'mutual_funds_world_summary' | 'mutual_funds_world_risk' | 'mutual_funds_world_purchase_info' | 'mutual_funds_world_composition' | 'mutual_funds_world_performance' | 'mutual_funds_world' | 'etfs_list' | 'etfs_world' | 'etfs_world_summary' | 'etfs_world_performance' | 'etfs_world_risk' | 'etfs_world_composition' | 'dividends' | 'splits' | 'money_market_funds_world', start_date?: string | undefined, symbol?: string | undefined, exchange?: string | undefined, mic_code?: string | undefined, country?: string | undefined, page?: number | undefined, outputsize?: number | undefined};

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

export const lastChangeResponseItem = z.object({symbol: z.string(), mic_code: z.string(), last_change: z.string()});

export const getApiLastChangeEndpointResponse = z.object({pagination: z.object({current_page: z.number().int(), per_page: z.number().int()}), data: z.array(lastChangeResponseItem)});

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
};

/**
 * Last changes
 * 
 * GET /last_change/{endpoint}
 * 
 * Also accepts auth: queryParameter
 */
export const getApiLastChangeEndpoint = async (args: GetApiLastChangeEndpointArgs, options?: GetApiLastChangeEndpointOptions) => {
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.start_date != null) query.append("start_date", String(args.start_date))
if (args.symbol != null) query.append("symbol", String(args.symbol))
if (args.exchange != null) query.append("exchange", String(args.exchange))
if (args.mic_code != null) query.append("mic_code", String(args.mic_code))
if (args.country != null) query.append("country", String(args.country))
if (args.page != null) query.append("page", String(args.page))
if (args.outputsize != null) query.append("outputsize", String(args.outputsize))
if (authorizationHeader !== undefined) headers.set("Authorization", authorizationHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/last_change/${encodeURIComponent(String(args.endpoint))}${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(getApiLastChangeEndpointResponse, await res.json())
};