import {z} from 'zod'

export type StringNoEdgeSpaces = string;

export type CountryCodeForRequest = string;

export type SubdivisionCodeForRequest = string;

export type GetApiCoreCountriesArgs = {'X-Uphold-User-Ip'?: (string | string) | undefined, 'X-Uphold-User-Agent'?: StringNoEdgeSpaces | undefined, 'X-Uphold-User-Origin'?: StringNoEdgeSpaces | undefined, 'X-Uphold-User-Country'?: CountryCodeForRequest | undefined, 'X-Uphold-User-Subdivision'?: SubdivisionCodeForRequest | undefined, 'X-Uphold-User-City'?: StringNoEdgeSpaces | undefined};

export type GetApiCoreCountriesOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const country = z.object({code: z.string(), name: z.string(), asset: z.string(), restrictions: z.array(z.object({scope: z.enum(["citizenship", "geolocation", "phone", "residence"]).optional()})), subdivisions: z.array(z.object({code: z.string(), name: z.string(), restrictions: z.array(z.object({scope: z.literal("residence").optional()}))}))});

export const getApiCoreCountriesResponse = z.object({countries: z.array(country)});

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
};

/**
 * List countries
 * 
 * GET /core/countries
 */
export const getApiCoreCountries = async (args: GetApiCoreCountriesArgs, options?: GetApiCoreCountriesOptions) => {
const {baseUrl = "https://api.enterprise.sandbox.uphold.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (args['X-Uphold-User-Ip'] != null) headers.set("X-Uphold-User-Ip", String(args['X-Uphold-User-Ip']))
if (args['X-Uphold-User-Agent'] != null) headers.set("X-Uphold-User-Agent", String(args['X-Uphold-User-Agent']))
if (args['X-Uphold-User-Origin'] != null) headers.set("X-Uphold-User-Origin", String(args['X-Uphold-User-Origin']))
if (args['X-Uphold-User-Country'] != null) headers.set("X-Uphold-User-Country", String(args['X-Uphold-User-Country']))
if (args['X-Uphold-User-Subdivision'] != null) headers.set("X-Uphold-User-Subdivision", String(args['X-Uphold-User-Subdivision']))
if (args['X-Uphold-User-City'] != null) headers.set("X-Uphold-User-City", String(args['X-Uphold-User-City']))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

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