import {z} from 'zod'

export type GetApiFlightsFutureArgs = {key: string, iataCode: string, type: string, date: string, airline_iata?: string | undefined, airline_icao?: string | undefined, flight_num?: string | undefined};

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

export const futureSchedulesResponse = z.object({weekday: z.string().optional(), departure: z.object({iataCode: z.string().optional(), icaoCode: z.string().optional(), terminal: z.string().optional(), gate: z.string().optional(), scheduledTime: z.string().optional()}).optional(), arrival: z.object({iataCode: z.string().optional(), icaoCode: z.string().optional(), terminal: z.string().optional(), gate: z.string().optional(), scheduledTime: z.string().optional()}).optional(), aircraft: z.object({modelCode: z.string().optional(), modelText: z.string().optional()}).optional(), airline: z.object({name: z.string().optional(), iataCode: z.string().optional(), icaoCode: z.string().optional()}).optional(), flight: z.object({number: z.string().optional(), iataNumber: z.string().optional(), icaoNumber: z.string().optional()}).optional(), codeshared: z.object({airline: z.object({name: z.string().optional(), iataCode: z.string().optional(), icaoCode: z.string().optional()}).optional(), flight: z.object({number: z.string().optional(), iataNumber: z.string().optional(), icaoNumber: z.string().optional()}).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
};

/**
 * Complete daily departure and arrival schedule data of airports worldwide on a given future date.
 * 
 * GET /flightsFuture
 */
export const getApiFlightsFuture = async (args: GetApiFlightsFutureArgs, options?: GetApiFlightsFutureOptions) => {
const {baseUrl = "https://aviation-edge.com/v2/public", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.key != null) query.append("key", String(args.key))
if (args.iataCode != null) query.append("iataCode", String(args.iataCode))
if (args.type != null) query.append("type", String(args.type))
if (args.date != null) query.append("date", String(args.date))
if (args.airline_iata != null) query.append("airline_iata", String(args.airline_iata))
if (args.airline_icao != null) query.append("airline_icao", String(args.airline_icao))
if (args.flight_num != null) query.append("flight_num", String(args.flight_num))
if (apiKey !== undefined) query.set("key", apiKey)

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