import {z} from 'zod'

export type GetApiApi2JsonGenderFullGeoFullNameCountryIso2Args = {fullName: string, countryIso2: string};

export type GetApiApi2JsonGenderFullGeoFullNameCountryIso2Options = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const personalNameGenderedOut = z.object({script: z.string().optional(), id: z.string().optional(), explanation: z.string().optional(), name: z.string().optional(), likelyGender: z.enum(["male", "female", "unknown"]).optional(), genderScale: z.number().gte(-1).lte(1).optional(), score: z.number().gte(0).lte(100).optional(), probabilityCalibrated: z.number().gte(-1).lte(1).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
};

/**
 * Infer the likely gender of a full name, given a local context (ISO2 country code).
 * 
 * GET /api2/json/genderFullGeo/{fullName}/{countryIso2}
 */
export const getApiApi2JsonGenderFullGeoFullNameCountryIso2 = async (args: GetApiApi2JsonGenderFullGeoFullNameCountryIso2Args, options?: GetApiApi2JsonGenderFullGeoFullNameCountryIso2Options) => {
const {baseUrl = "https://v2.namsor.com/NamSorAPIv2", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (apiKey !== undefined) headers.set("X-API-KEY", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/api2/json/genderFullGeo/${encodeURIComponent(String(args.fullName))}/${encodeURIComponent(String(args.countryIso2))}${query.size > 0 ? `?${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(personalNameGenderedOut, await res.json())
};