import {z} from 'zod'

export type GetApiV3SuggestedSearchTermsArgs = {pageToken?: string | undefined, pageSize?: unknown | undefined, catalogId: string, productCode?: string | undefined, searchTermTypes?: (Array<'SEARCH_TERM_TYPE_ORGANIC' | 'SEARCH_TERM_TYPE_CROSS_SELL' | 'SEARCH_TERM_TYPE_SUBSTITUTE'>) | undefined};

export type GetApiV3SuggestedSearchTermsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const campaignv3SearchTermType = z.enum(["SEARCH_TERM_TYPE_ORGANIC", "SEARCH_TERM_TYPE_CROSS_SELL", "SEARCH_TERM_TYPE_SUBSTITUTE"]);

export const campaignv3SuggestedSearchTerm = z.object({id: z.string().optional(), catalogId: z.string().optional(), productCode: z.string().optional(), phrase: z.string().optional(), rank: z.string().optional(), collectionName: z.string().optional(), searchTermType: campaignv3SearchTermType.optional()});

export const campaignv3ListSuggestedSearchTermsResponse = z.object({suggestedSearchTerms: z.array(campaignv3SuggestedSearchTerm).optional(), nextPageToken: z.string().optional(), totalCount: z.string().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
};

/**
 * Retrieve suggested search terms
 * 
 * GET /v3/suggested-search-terms
 */
export const getApiV3SuggestedSearchTerms = async (args: GetApiV3SuggestedSearchTermsArgs, options?: GetApiV3SuggestedSearchTermsOptions) => {
const {baseUrl = "https://auth.<env>.citrusad.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.pageToken != null) query.append("pageToken", String(args.pageToken))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.catalogId != null) query.append("catalogId", String(args.catalogId))
if (args.productCode != null) query.append("productCode", String(args.productCode))
for (const item of args.searchTermTypes ?? []) query.append("searchTermTypes", String(item))

const url = `${baseUrl.replace(/\/+$/, '')}/v3/suggested-search-terms${query.size > 0 ? `?${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(campaignv3ListSuggestedSearchTermsResponse, await res.json())
};