import {z} from 'zod'

export type RecommendationWidgetUid = {widgetGuid?: string | undefined, uniqueId?: string | undefined};

export type RecommendationContext = {visitorId?: string | undefined, visitId?: string | undefined, baseUrl?: string | undefined, enablePreview?: boolean | undefined, clientGuid?: string | undefined, landingPageUrl?: string | undefined, widgetUids?: Array<RecommendationWidgetUid> | undefined, contextProperties?: {[key: string]: string} | undefined, customProperties?: {[key: string]: string} | undefined, extendedCustomProperties?: {[key: string]: Array<string>} | undefined, extendedContextProperties?: {[key: string]: Array<string>} | undefined, renderHTML?: boolean | undefined, uniqueId?: string | undefined, indexName?: string | undefined, query?: string | undefined};

export type CreateApiApiRecommendationV2GetwidgetitemsArgs = {body: RecommendationContext};

export type CreateApiApiRecommendationV2GetwidgetitemsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const recommendationItem = z.object({brand: z.string().optional(), price: z.string().optional(), imageUrl: z.string().optional(), isOnSale: z.boolean().optional(), salePrice: z.string().optional(), bestFragment: z.string().optional(), color: z.string().optional(), url: z.string().optional(), id: z.string().optional(), imageAlt: z.string().optional(), imageOverAltTag: z.string().optional(), imageOverUrl: z.string().optional(), itemName: z.string().optional(), maxPrice: z.string().optional(), maxSalePrice: z.string().optional(), minPrice: z.string().optional(), minSalePrice: z.string().optional(), postDate: z.string().optional(), rating: z.string().optional(), shortDescription: z.string().optional(), sku: z.string().optional(), itemIndex: z.number().int().optional(), modelName: z.string().optional(), modelType: z.string().optional(), modelGuid: z.string().optional(), custom: z.object({}).optional(), customDict: z.record(z.string(), z.object({})).optional()});

export const carouselData = z.object({showNextPrevButtons: z.boolean().optional(), autoRotate: z.boolean().optional(), autoRotateSpeed: z.number().int().optional(), animationSpeed: z.number().int().optional(), nofVisible: z.number().int().optional(), isCircular: z.boolean().optional(), scrollNumber: z.number().int().optional(), showDots: z.boolean().optional(), enableResponsive: z.boolean().optional(), responseiveConfig: z.string().optional()});

export const recommendationItemResponse = z.object({recommendationItems: z.array(recommendationItem).optional(), html: z.string().optional(), widgetGuid: z.string().optional(), widgetName: z.string().optional(), widgeTitle: z.string().optional(), widgetCssClass: z.string().optional(), isCarousel: z.boolean().optional(), carouselData: carouselData.optional(), isVertical: z.boolean().optional(), itemsCount: z.number().int().optional(), uniqueId: z.string().optional()});

export const recommendationResponse = z.object({widgetItems: z.array(recommendationItemResponse).optional(), isSuccess: z.boolean().optional(), requestId: z.string().optional(), responseMessage: 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
};

/**
 * Get recommendation widgets
 * 
 * POST /api/recommendation/v2/getwidgetitems
 */
export const createApiApiRecommendationV2Getwidgetitems = async (args: CreateApiApiRecommendationV2GetwidgetitemsArgs, options?: CreateApiApiRecommendationV2GetwidgetitemsOptions) => {
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/recommendation/v2/getwidgetitems${query.size > 0 ? `?${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(recommendationResponse, await res.json())
};