import {z} from 'zod'

export type GetApiApiV1CustomersEnrichmentStatsArgs = {authorization?: (string | null) | undefined};

export type GetApiApiV1CustomersEnrichmentStatsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const enrichmentBuckets = z.object({high: z.number().int().optional(), good: z.number().int().optional(), fair: z.number().int().optional(), low: z.number().int().optional()});

export const enrichmentStats = z.object({total: z.number().int().optional(), enriched: z.number().int().optional(), buckets: enrichmentBuckets.optional()});

export const meta = z.object({request_id: z.string().optional(), timestamp: z.string().optional(), total: z.number().int().nullable().optional(), truncated: z.boolean().nullable().optional(), reply_total: z.number().int().nullable().optional(), metric_total: z.number().int().nullable().optional(), people_total: z.number().int().nullable().optional(), coverage: z.record(z.string(), z.unknown()).nullable().optional(), event_scope: z.string().nullable().optional()});

export const envelopeEnrichmentStats = z.object({data: enrichmentStats, meta: meta.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
};

/**
 * Enrichment Stats Route
 * 
 * GET /api/v1/customers/enrichment-stats
 */
export const getApiApiV1CustomersEnrichmentStats = async (args: GetApiApiV1CustomersEnrichmentStatsArgs, options: GetApiApiV1CustomersEnrichmentStatsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.authorization != null) headers.set("authorization", String(args.authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/customers/enrichment-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(envelopeEnrichmentStats, await res.json())
};