import {z} from 'zod'

export type VariantOptions = {CountFacetHitOnChild?: boolean | undefined, PageNo?: number | undefined, MaxPerPage?: number | undefined, SortCode?: string | undefined, SortBy?: string | undefined};

export type BoostQueries = {Query?: string | undefined, Boost?: number | undefined};

export type HierarchyLevelConfig = {StartLevel?: number | undefined, EndLevel?: number | undefined};

export type SmartBar = {BoostAndBury?: boolean | undefined, VisibilityRules?: boolean | undefined, PersonalizedBoost?: boolean | undefined, PopularityBoost?: boolean | undefined, ItemPin?: boolean | undefined, PopularitySalesBoost?: boolean | undefined, PopularityAdd2CartBoost?: boolean | undefined, PopularityLandingPageBoost?: boolean | undefined, KeywordReplacement?: boolean | undefined, PreviewDate?: string | undefined};

export type Coordinate = {Latitude?: number | undefined, Longitude?: number | undefined};

export type ClientData = {VisitorId?: string | undefined, VisitId?: string | undefined, Custom?: {[key: string]: string} | undefined, ExtendedCustom?: {[key: string]: Array<string>} | undefined, PreviewBuckets?: Array<number> | undefined, Source?: string | undefined, Origin?: Coordinate | undefined, ZipCode?: string | undefined};

export type SearchRequest = {IndexName?: string | undefined, Query?: string | undefined, Variant?: VariantOptions | undefined, BoostQueries?: Array<BoostQueries> | undefined, DistanceUnitType?: (1 | 2 | 3) | undefined, RequestType?: (0 | 1 | 2 | 3 | 4 | 5 | 6) | undefined, ImageData?: string | undefined, ImageText?: string | undefined, kValue?: number | undefined, FacetHierarchyLevelOverride?: {[key: string]: HierarchyLevelConfig} | undefined, NestedId?: string | undefined, ClientGuid?: string | undefined, Keyword?: string | undefined, PageId?: number | undefined, PageNo?: number | undefined, MaxPerPage?: number | undefined, SearchWithin?: string | undefined, SortBy?: string | undefined, SortingSetCode?: string | undefined, PaginationSetCode?: string | undefined, FacetSelections?: {[key: string]: Array<Record<string, never>>} | undefined, CustomUrl?: string | undefined, IsInPreview?: boolean | undefined, Is100CoverageTurnedOn?: boolean | undefined, ExplainDocId?: string | undefined, FacetOverride?: Array<string> | undefined, FieldOverride?: Array<string> | undefined, SmartBar?: SmartBar | undefined, ClientData?: ClientData | undefined, SearchType?: string | undefined, IgnoreSpellcheck?: boolean | undefined};

export type CreateApiApiV2SearchArgs = {body: SearchRequest};

export type CreateApiApiV2SearchOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiApiV2SearchResponse = z.object({});

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
 * 
 * POST /api/v2/search
 */
export const createApiApiV2Search = async (args: CreateApiApiV2SearchArgs, options?: CreateApiApiV2SearchOptions) => {
const {baseUrl = "https://indexing-dev.hawksearch.net", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/search${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

return validateResponse(createApiApiV2SearchResponse, await res.json())
};