import {z} from 'zod'

export type SavedLocationsCreate = {fields: unknown, saved_location: {latitude?: number | undefined, longitude?: number | undefined, title?: string | undefined, positional_accuracy?: number | undefined, geoprivacy?: ('open' | 'obscured' | 'private') | undefined}};

export type CreateApiSavedLocationsArgs = {body: SavedLocationsCreate};

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

export const savedLocation = z.object({id: z.number().int(), user_id: z.number().int().optional(), latitude: z.number().optional(), longitude: z.number().optional(), title: z.string().optional(), positional_accuracy: z.number().int().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), geoprivacy: z.enum(["open", "obscured", "private"]).nullable().optional()});

export const resultsSavedLocations = z.object({total_results: z.number().int(), page: z.number().int(), per_page: z.number().int(), results: z.array(savedLocation)});

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
};

/**
 * Create a saved location
 * 
 * POST /saved_locations
 */
export const createApiSavedLocations = async (args: CreateApiSavedLocationsArgs, options?: CreateApiSavedLocationsOptions) => {
const {baseUrl = "https://api.inaturalist.org/v2", fetch: fetchFn = fetch, userJwtRequired} = options ?? {}

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

if (userJwtRequired !== undefined) headers.set("Authorization", userJwtRequired)

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