import {z} from 'zod'

export type GetApiTimetableArgs = {key: string, iataCode?: string | undefined, type?: ('departure' | 'arrival') | undefined, status?: ('landed' | 'scheduled' | 'cancelled' | 'active' | 'incident' | 'diverted' | 'redirected' | 'unknown') | undefined, dep_terminal?: string | undefined, dep_delay?: number | undefined, dep_schTime?: string | undefined, dep_estTime?: string | undefined, dep_actTime?: string | undefined, dep_estRunway?: string | undefined, dep_actRunway?: string | undefined, arr_terminal?: string | undefined, arr_delay?: number | undefined, arr_schTime?: string | undefined, arr_estTime?: string | undefined, arr_actTime?: string | undefined, arr_estRunway?: string | undefined, arr_actRunway?: string | undefined, airline_name?: string | undefined, airline_iata?: string | undefined, airline_icao?: string | undefined, flight_num?: string | undefined, flight_iata?: string | undefined, flight_icao?: string | undefined, lang?: string | undefined};

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

export const scheduleResponse = z.object({airline: z.object({iataCode: z.string().optional(), icaoCode: z.string().optional(), name: z.string().optional()}).optional(), arrival: z.object({actualRunway: z.string().optional(), actualTime: z.string().optional(), baggage: z.string().optional(), delay: z.number().int().optional(), estimatedRunway: z.string().optional(), estimatedTime: z.string().optional(), gate: z.string().optional(), iataCode: z.string().optional(), icaoCode: z.string().optional(), scheduledTime: z.string().optional(), terminal: z.string().optional()}).optional(), codeshared: z.object({airline: z.object({iataCode: z.string().optional(), icaoCode: z.string().optional(), name: z.string().optional()}).optional(), flight: z.object({iataNumber: z.string().optional(), icaoNumber: z.string().optional(), number: z.string().optional()}).optional()}).optional(), departure: z.object({actualRunway: z.string().optional(), actualTime: z.string().optional(), baggage: z.string().optional(), delay: z.number().int().optional(), estimatedRunway: z.string().optional(), estimatedTime: z.string().optional(), gate: z.string().optional(), iataCode: z.string().optional(), icaoCode: z.string().optional(), scheduledTime: z.string().optional(), terminal: z.string().optional()}).optional(), flight: z.object({iataNumber: z.string().optional(), icaoNumber: z.string().optional(), number: z.string().optional()}).optional(), status: z.string().optional(), type: z.string().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
};

/**
 * Real-time flight schedule, status, flight details and delay data in the form of departure and arrival timetables of airports worldwide. <p>They aren't strictly required, but for the most accurate results, it's strongly recommended to include both iataCode and type parameters in your requests.
 * 
 * GET /timetable
 */
export const getApiTimetable = async (args: GetApiTimetableArgs, options?: GetApiTimetableOptions) => {
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.status != null) query.append("status", String(args.status))
if (args.dep_terminal != null) query.append("dep_terminal", String(args.dep_terminal))
if (args.dep_delay != null) query.append("dep_delay", String(args.dep_delay))
if (args.dep_schTime != null) query.append("dep_schTime", String(args.dep_schTime))
if (args.dep_estTime != null) query.append("dep_estTime", String(args.dep_estTime))
if (args.dep_actTime != null) query.append("dep_actTime", String(args.dep_actTime))
if (args.dep_estRunway != null) query.append("dep_estRunway", String(args.dep_estRunway))
if (args.dep_actRunway != null) query.append("dep_actRunway", String(args.dep_actRunway))
if (args.arr_terminal != null) query.append("arr_terminal", String(args.arr_terminal))
if (args.arr_delay != null) query.append("arr_delay", String(args.arr_delay))
if (args.arr_schTime != null) query.append("arr_schTime", String(args.arr_schTime))
if (args.arr_estTime != null) query.append("arr_estTime", String(args.arr_estTime))
if (args.arr_actTime != null) query.append("arr_actTime", String(args.arr_actTime))
if (args.arr_estRunway != null) query.append("arr_estRunway", String(args.arr_estRunway))
if (args.arr_actRunway != null) query.append("arr_actRunway", String(args.arr_actRunway))
if (args.airline_name != null) query.append("airline_name", String(args.airline_name))
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 (args.flight_iata != null) query.append("flight_iata", String(args.flight_iata))
if (args.flight_icao != null) query.append("flight_icao", String(args.flight_icao))
if (args.lang != null) query.append("lang", String(args.lang))
if (apiKey !== undefined) query.set("key", apiKey)

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