import {z} from 'zod'

export type BusinessId = string;

export type GetApiReviewsStatsArgs = {business__in?: Array<BusinessId> | undefined, keywords?: Array<string> | undefined, update_date__gte?: unknown | undefined, update_date__lte?: unknown | undefined};

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

export const reviewsStatisticsResponse = z.object({answer_time: z.number().optional(), average: z.number().gte(0).lte(5).optional(), treated: z.number().optional(), not_treated: z.number().optional(), answered: z.number().optional(), satisfied: z.number().optional(), neutral: z.number().optional(), dissatisfied: z.number().optional(), total: z.number().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
};

/**
 * Global reviews statistics
 * 
 * GET /reviews/stats
 */
export const getApiReviewsStats = async (args: GetApiReviewsStatsArgs, options?: GetApiReviewsStatsOptions) => {
const {baseUrl = "https://api.partoo.co/v2", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

for (const item of args.business__in ?? []) query.append("business__in", String(item))
for (const item of args.keywords ?? []) query.append("keywords", String(item))
if (args.update_date__gte != null) query.append("update_date__gte", String(args.update_date__gte))
if (args.update_date__lte != null) query.append("update_date__lte", String(args.update_date__lte))
if (ApiKeyAuth !== undefined) headers.set("x-APIKey", ApiKeyAuth)

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