import {z} from 'zod'

export type GetApiApiTrendingTopProductsMetricsArgs = {product_id: string};

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

export const getApiApiTrendingTopProductsMetricsResponse = z.object({data: z.object({info: z.object({comment: z.number().optional(), cost: z.number().optional(), cover_url: z.string().nullable().optional(), cpa: z.number().optional(), ctr: z.number().optional(), cvr: z.number().optional(), ecom_type: z.string().optional(), first_ecom_category: z.object({id: z.string().optional(), label: z.string().optional(), value: z.string().optional()}).optional(), impression: z.number().optional(), like: z.number().optional(), play_six_rate: z.number().optional(), post: z.number().optional(), post_change: z.number().optional(), second_ecom_category: z.object({id: z.string().optional(), label: z.string().optional(), parent_id: z.string().optional(), value: z.string().optional()}).optional(), share: z.number().optional(), third_ecom_category: z.object({id: z.string().optional(), label: z.string().optional(), parent_id: z.string().optional(), value: z.string().optional()}).optional(), url_title: z.string().optional(), ctr_metrics: z.array(z.object({time: z.number().optional(), value: z.number().optional()})).optional(), post_metrics: z.array(z.object({time: z.number().optional(), value: z.number().optional()})).optional()}).optional()}).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 Top Product Metrics
 * 
 * GET /api/trending/top-products/metrics
 */
export const getApiApiTrendingTopProductsMetrics = async (args: GetApiApiTrendingTopProductsMetricsArgs, options?: GetApiApiTrendingTopProductsMetricsOptions) => {
const {baseUrl = "https://tiktok-api23.p.rapidapi.com", fetch: fetchFn = fetch, apiKeyAuth} = options ?? {}

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

if (args.product_id != null) query.append("product_id", String(args.product_id))
if (apiKeyAuth !== undefined) headers.set("x-rapidapi-key", apiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/trending/top-products/metrics${query.size > 0 ? `?${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(getApiApiTrendingTopProductsMetricsResponse, await res.json())
};