import {z} from 'zod'

export type GetApiApiV4LocationsLocationIdFacebookAnalyticsArgs = {locationId: number | unknown, fromDate?: string | undefined, toDate?: string | undefined};

export type GetApiApiV4LocationsLocationIdFacebookAnalyticsOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const metricDelta = z.object({current: z.number().int().optional(), previous: z.number().int().optional(), diff: z.number().int().optional(), diffPercentage: z.number().optional(), label: z.string().optional()});

export const facebookMetricV4 = z.object({views: metricDelta.optional(), ctaAction: metricDelta.optional(), websiteAction: metricDelta.optional(), directionsAction: metricDelta.optional(), phoneAction: metricDelta.optional()});

export const apiError = z.object({message: z.string(), code: z.string().optional(), contextInfo: z.array(z.object({key: z.string().optional(), value: z.string().optional()})).optional()});

export const getApiApiV4LocationsLocationIdFacebookAnalyticsResponse = z.object({data: z.object({facebookInsights: facebookMetricV4.optional()}), errors: z.array(apiError).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
};

/**
 * Facebook v4 metrics for a single location over a date range.
 * 
 * GET /api/v4/locations/{locationId}/facebook-analytics
 * 
 * Also accepts auth: rapidApiKey + rapidApiHost
 */
export const getApiApiV4LocationsLocationIdFacebookAnalytics = async (args: GetApiApiV4LocationsLocationIdFacebookAnalyticsArgs, options?: GetApiApiV4LocationsLocationIdFacebookAnalyticsOptions) => {
const {baseUrl = "https://listingsapi.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.fromDate != null) query.append("fromDate", String(args.fromDate))
if (args.toDate != null) query.append("toDate", String(args.toDate))
if (apiKey !== undefined) headers.set("Authorization", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v4/locations/${encodeURIComponent(String(args.locationId))}/facebook-analytics${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(getApiApiV4LocationsLocationIdFacebookAnalyticsResponse, await res.json())
};