import {z} from 'zod'

export type StandardPinMetricTypes = 'IMPRESSION' | 'OUTBOUND_CLICK' | 'PIN_CLICK' | 'SAVE' | 'SAVE_RATE' | 'TOTAL_COMMENTS' | 'TOTAL_REACTIONS' | 'USER_FOLLOW' | 'PROFILE_VISIT';

export type VideoPinMetricTypes = 'IMPRESSION' | 'OUTBOUND_CLICK' | 'PIN_CLICK' | 'SAVE' | 'SAVE_RATE' | 'VIDEO_MRC_VIEW' | 'VIDEO_10S_VIEW' | 'QUARTILE_95_PERCENT_VIEW' | 'VIDEO_V50_WATCH_TIME' | 'VIDEO_START' | 'VIDEO_AVG_WATCH_TIME' | 'TOTAL_COMMENTS' | 'TOTAL_REACTIONS';

export type QuerypinanalyticsmetrictypesItems = StandardPinMetricTypes | VideoPinMetricTypes;

export type GetApiPinsPinIdAnalyticsArgs = {pin_id: string, start_date: string, end_date: string, app_types?: ('ALL' | 'MOBILE' | 'TABLET' | 'WEB') | undefined, metric_types: Array<QuerypinanalyticsmetrictypesItems>, split_field?: ('NO_SPLIT' | 'APP_TYPE') | undefined, ad_account_id?: string | undefined};

export type GetApiPinsPinIdAnalyticsOptions = {baseUrl?: string | undefined, pinterestOauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const dataStatus = z.enum(["PROCESSING", "READY", "ESTIMATE", "BEFORE_BUSINESS_CREATED", "BEFORE_DATA_RETENTION_PERIOD", "BEFORE_PIN_DATA_RETENTION_PERIOD", "BEFORE_METRIC_START_DATE", "BEFORE_CORE_METRIC_START_DATE", "BEFORE_PIN_FORMAT_METRIC_START_DATE", "BEFORE_AUDIENCE_METRIC_START_DATE", "BEFORE_AUDIENCE_MONTHLY_METRIC_START_DATE", "BEFORE_VIDEO_METRIC_START_DATE", "BEFORE_CONVERSION_METRIC_START_DATE", "PURCHASERS_METRIC_SMALLER_THAN_THRESHOLD", "IN_BAD_TAG_DATE", "BEFORE_PUBLISHED_METRIC_START_DATE", "BEFORE_ASSIST_METRIC_START_DATE", "BEFORE_PIN_CREATED", "BEFORE_ACCOUNT_CLAIMED", "BEFORE_DEMOGRAPHIC_FILTERS_START_DATE", "AUDIENCE_SEGMENT_SMALLER_THAN_THRESHOLD", "AUDIENCE_TOTAL_SMALLER_THAN_THRESHOLD", "BEFORE_PRODUCT_GROUP_FILTER_START_DATE"]);

export const pinAnalyticsDailyMetrics = z.object({data_status: dataStatus.optional(), date: z.string().optional(), metrics: z.record(z.string(), z.number()).optional()});

export const pinAnalyticsMetricsResponse = z.object({daily_metrics: z.array(pinAnalyticsDailyMetrics).optional(), lifetime_metrics: z.record(z.string(), z.number().int()).optional(), summary_metrics: z.record(z.string(), z.number()).optional()});

export const pinAnalyticsResponse = z.record(z.string(), pinAnalyticsMetricsResponse);

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 Pin analytics
 * 
 * GET /pins/{pin_id}/analytics
 * 
 * Also accepts auth: client_credentials
 */
export const getApiPinsPinIdAnalytics = async (args: GetApiPinsPinIdAnalyticsArgs, options?: GetApiPinsPinIdAnalyticsOptions) => {
const {baseUrl = "https://api.pinterest.com/v5", fetch: fetchFn = fetch, pinterestOauth2} = options ?? {}

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

if (args.start_date != null) query.append("start_date", String(args.start_date))
if (args.end_date != null) query.append("end_date", String(args.end_date))
if (args.app_types != null) query.append("app_types", String(args.app_types))
if (args.metric_types != null) query.append("metric_types", args.metric_types.join(','))
if (args.split_field != null) query.append("split_field", String(args.split_field))
if (args.ad_account_id != null) query.append("ad_account_id", String(args.ad_account_id))
if (pinterestOauth2 !== undefined) headers.set('authorization', `Bearer ${pinterestOauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/pins/${encodeURIComponent(String(args.pin_id))}/analytics${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(pinAnalyticsResponse, await res.json())
};