import {z} from 'zod'

export type GetApiApiV2TransportAviationDelaysArgs = {airports?: (string | null) | undefined, type?: ('ground_stop' | 'ground_delay' | 'airport_closure' | 'notam' | 'arrival_delay' | 'departure_delay' | 'deicing' | null) | undefined, reason_class?: ('weather' | 'runway' | 'volume' | 'equipment' | 'staffing' | 'security' | 'other' | 'unknown' | null) | undefined, min_delay_minutes?: (number | null) | undefined, min_lat?: (number | null) | undefined, max_lat?: (number | null) | undefined, min_lon?: (number | null) | undefined, max_lon?: (number | null) | undefined, include_notams?: boolean | undefined, limit?: number | undefined};

export type GetApiApiV2TransportAviationDelaysOptions = {baseUrl?: string | undefined, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const delayQuery = z.object({airports: z.string().nullable().optional(), type: z.string().nullable().optional(), reason_class: z.string().nullable().optional(), min_delay_minutes: z.number().int().nullable().optional(), include_notams: z.boolean().optional(), min_lat: z.number().nullable().optional(), max_lat: z.number().nullable().optional(), min_lon: z.number().nullable().optional(), max_lon: z.number().nullable().optional(), limit: z.number().int()});

export const delaySummary = z.object({airports_affected: z.number().int(), events_total: z.number().int(), by_type: z.record(z.string(), z.unknown()).optional(), by_reason_class: z.record(z.string(), z.unknown()).optional()});

export const delayEvent = z.object({type: z.string(), reason: z.string().nullable().optional(), reason_class: z.string(), reason_classes: z.array(z.string()).optional(), start_time: z.string().nullable().optional(), end_time: z.string().nullable().optional(), updated_at: z.string().nullable().optional(), min_minutes: z.number().int().nullable().optional(), max_minutes: z.number().int().nullable().optional(), average_minutes: z.number().int().nullable().optional(), trend: z.string().nullable().optional(), center: z.string().nullable().optional(), advisory_url: z.string().nullable().optional(), probability_of_extension: z.string().nullable().optional(), time_raw: z.string().nullable().optional()});

export const delayAirport = z.object({airport: z.string(), name: z.string().nullable().optional(), lat: z.number().nullable().optional(), lon: z.number().nullable().optional(), event_count: z.number().int(), worst_delay_minutes: z.number().int().nullable().optional(), types: z.array(z.string()).optional(), reason_classes: z.array(z.string()).optional(), events: z.array(delayEvent).optional()});

export const transportSourceAttribution = z.object({registry_key: z.string(), source_name: z.string(), licence: z.string(), citation: z.string(), disclaimer: z.string()});

export const transportAttributionSet = z.object({sources: z.array(transportSourceAttribution).optional(), effective_reexport: z.string()});

export const delayFeed = z.object({query: delayQuery, summary: delaySummary, total_matched: z.number().int(), count: z.number().int(), airports: z.array(delayAirport).optional(), coverage: z.string(), classification: z.record(z.string(), z.unknown()).optional(), attribution: transportAttributionSet, disclaimer: z.string(), upstream: z.record(z.string(), z.unknown()).optional()});

export const sugraMeta = z.object({endpoint: z.string(), data_time: z.string(), response_time: z.string(), provider: z.string(), data_age_days: z.number().nullable().optional(), source: z.string().nullable().optional(), attribution: z.string().nullable().optional(), source_url: z.string().nullable().optional(), citation: z.string().nullable().optional(), fallback_used: z.boolean().nullable().optional(), fallback_chain: z.array(z.string()).nullable().optional(), cached: z.boolean().nullable().optional(), stale: z.boolean().nullable().optional(), stale_since: z.string().nullable().optional(), period: z.string().nullable().optional(), notes: z.string().nullable().optional()});

export const envelopeDelayFeed = z.object({data: delayFeed, meta: sugraMeta});

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
};

/**
 * Observed US air-traffic delay programs - FAA NAS Status
 * 
 * GET /api/v2/transport/aviation/delays
 */
export const getApiApiV2TransportAviationDelays = async (args: GetApiApiV2TransportAviationDelaysArgs, options?: GetApiApiV2TransportAviationDelaysOptions) => {
const {baseUrl = "https://sugra.ai", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args.airports != null) query.append("airports", String(args.airports))
if (args.type != null) query.append("type", String(args.type))
if (args.reason_class != null) query.append("reason_class", String(args.reason_class))
if (args.min_delay_minutes != null) query.append("min_delay_minutes", String(args.min_delay_minutes))
if (args.min_lat != null) query.append("min_lat", String(args.min_lat))
if (args.max_lat != null) query.append("max_lat", String(args.max_lat))
if (args.min_lon != null) query.append("min_lon", String(args.min_lon))
if (args.max_lon != null) query.append("max_lon", String(args.max_lon))
if (args.include_notams != null) query.append("include_notams", String(args.include_notams))
if (args.limit != null) query.append("limit", String(args.limit))
if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/transport/aviation/delays${query.size > 0 ? `?${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(envelopeDelayFeed, await res.json())
};