import {z} from 'zod'

export type GetApiApiV1LocationsCodesArgs = {codes: string, sort?: string | undefined, format?: string | undefined};

export type GetApiApiV1LocationsCodesOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const locationFlatDto = z.object({id: z.number().int().optional(), name: z.string().nullable().optional(), iso3: z.string().nullable().optional(), iso2: z.string().nullable().optional(), longitude: z.number().nullable().optional(), latitude: z.number().nullable().optional()});

export const getApiApiV1LocationsCodesResponse = z.array(locationFlatDto);

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
};

/**
 * Returns a list of Locations filtered by one or more {codes} ('m49', 'iso2' or 'iso3') separated by semi-column (;) or comma (,). This is MORE STRICT (all or none) version of the 2 versions of same endpoint
 * 
 * GET /api/v1/locations/{codes}
 */
export const getApiApiV1LocationsCodes = async (args: GetApiApiV1LocationsCodesArgs, options: GetApiApiV1LocationsCodesOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.sort != null) query.append("sort", String(args.sort))
if (args.format != null) query.append("format", String(args.format))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/locations/${encodeURIComponent(String(args.codes))}${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(getApiApiV1LocationsCodesResponse, await res.json())
};