import {z} from 'zod'

export type GetApiV2CdnStrataSearchArgs = {q?: string | undefined, version?: ('draft' | 'published') | undefined, limit?: number | undefined, starts_with?: string | undefined, content_type?: string | undefined, token: string};

export type GetApiV2CdnStrataSearchOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const strataSearchHit = z.object({excerpt: z.string(), score: z.number(), story: z.object({id: z.number().int(), slug: z.string(), name: z.string()})});

export const strataSearchResults = z.array(strataSearchHit);

export const getApiV2CdnStrataSearchResponse = z.object({results: strataSearchResults});

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
};

/**
 * Search
 * 
 * GET /v2/cdn/strata/search
 */
export const getApiV2CdnStrataSearch = async (args: GetApiV2CdnStrataSearchArgs, options?: GetApiV2CdnStrataSearchOptions) => {
const {baseUrl = "https://api.storyblok.com", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.q != null) query.append("q", String(args.q))
if (args.version != null) query.append("version", String(args.version))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.starts_with != null) query.append("starts_with", String(args.starts_with))
if (args.content_type != null) query.append("content_type", String(args.content_type))
if (args.token != null) query.append("token", String(args.token))
if (ApiKeyAuth !== undefined) query.set("token", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/cdn/strata/search${query.size > 0 ? `?${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(getApiV2CdnStrataSearchResponse, await res.json())
};