import {z} from 'zod'

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

export const getApiLocationIdResponse = z.object({data: z.object({id: z.string(), type: z.literal("location"), attributes: z.object({name: z.string().optional(), region: z.enum(["Africa", "Antarctica", "Asia", "At Sea", "Europe", "North America", "Oceania", "South America", "In Space"]).optional(), latitude: z.string().optional(), longitude: z.string().optional()}), relationships: z.object({country: z.object({data: z.object({id: z.string(), type: z.literal("country")})}), country_subdiv: z.object({data: z.object({id: z.string(), type: z.literal("country-subdiv")})}).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
};

/**
 * Get a location by id
 * 
 * GET /location/{id}
 */
export const getApiLocationId = async (options?: GetApiLocationIdOptions) => {
const {baseUrl = "https://submitapi.dvidshub.net", fetch: fetchFn = fetch, DVIDS} = options ?? {}

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

if (DVIDS !== undefined) headers.set('authorization', `Bearer ${DVIDS}`)

const url = `${baseUrl.replace(/\/+$/, '')}/location/${encodeURIComponent(String(args.id))}${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(getApiLocationIdResponse, await res.json())
};