import {z} from 'zod'

export type WordTypes = 'PROPER_NOUN' | 'COMMON_NOUN' | 'VERB' | 'ADJECTIVE' | 'SUFFIX';

export type CreateApiUserDictWordArgs = {surface: string, pronunciation: string, accent_type: number, word_type?: WordTypes | undefined, priority?: number | undefined};

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

export const createApiUserDictWordResponse = z.string();

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
};

/**
 * Add User Dict Word
 * 
 * POST /user_dict_word
 */
export const createApiUserDictWord = async (args: CreateApiUserDictWordArgs, options: CreateApiUserDictWordOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.surface != null) query.append("surface", String(args.surface))
if (args.pronunciation != null) query.append("pronunciation", String(args.pronunciation))
if (args.accent_type != null) query.append("accent_type", String(args.accent_type))
if (args.word_type != null) query.append("word_type", String(args.word_type))
if (args.priority != null) query.append("priority", String(args.priority))

const url = `${baseUrl.replace(/\/+$/, '')}/user_dict_word${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiUserDictWordResponse, await res.json())
};