import {z} from 'zod'

export type Radius = number;

export type Coordinates = Array<number>;

export type Circle = {radius: Radius, center: Coordinates};

export type StationName = string;

export type GeoJson = Record<string, never>;

export type StationsArea = {circle?: Circle | undefined, stationName?: StationName | undefined, geoJson?: GeoJson | undefined};

export type YearMonthDate = string;

export type StationsTime = {start?: YearMonthDate | undefined, end?: YearMonthDate | undefined};

export type StationsModel = string;

export type StationsRequest = {area: StationsArea, time: StationsTime, model: StationsModel};

export type CreateApiStationsArgs = {body: StationsRequest};

export type CreateApiStationsOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const stationName = z.string();

export const longitude = z.number();

export const latitude = z.number();

export const referencesMatrixFile = z.string();

export const yearMonthDate = z.string();

export const link = z.string();

export const linkExpirationTime = z.string();

export const modelVersion = z.string();

export const gridName = z.string();

export const companyName = z.string();

export const data = z.object({time: yearMonthDate, link: link.optional(), linkExpirationTime: linkExpirationTime.optional(), modelVersion: modelVersion, gridName: gridName, companyName: companyName});

export const dataArray = z.array(data);

export const station = z.object({stationName: stationName, longitude: longitude, latitude: latitude, referencesMatrixFile: referencesMatrixFile.optional(), data: dataArray.optional()});

export const stations = z.array(station);

export const stationsResponse = z.object({stations: stations.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
};

/**
 * Retrieve station
 * 
 * POST /stations
 */
export const createApiStations = async (args: CreateApiStationsArgs, options?: CreateApiStationsOptions) => {
const {baseUrl = "https://api.sinay.ai/metocean/api/v1", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (ApiKey !== undefined) headers.set("API_KEY", ApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/stations${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(stationsResponse, await res.json())
};