import {z} from 'zod'

export type GetApiBinQuerybuilderJsonArgs = {path: string, 'p.limit': number, '1_property': string, '1_property.value': string};

export type GetApiBinQuerybuilderJsonOptions = {baseUrl: string, aemAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const getApiBinQuerybuilderJsonResponse = 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
};

/**
 * GET /bin/querybuilder.json
 */
export const getApiBinQuerybuilderJson = async (args: GetApiBinQuerybuilderJsonArgs, options: GetApiBinQuerybuilderJsonOptions) => {
const {baseUrl, fetch: fetchFn = fetch, aemAuth} = options ?? {}

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

if (args.path != null) query.append("path", String(args.path))
if (args['p.limit'] != null) query.append("p.limit", String(args['p.limit']))
if (args['1_property'] != null) query.append("1_property", String(args['1_property']))
if (args['1_property.value'] != null) query.append("1_property.value", String(args['1_property.value']))
if (aemAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${aemAuth.username}:${aemAuth.password}`)}`)

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