import {z} from 'zod'

export type DataEditingScanRequest = {dataset_name: string, version?: (string | null) | undefined, columns?: (Array<string> | null) | undefined, threshold?: number | undefined};

export type CreateApiV1DataEditingScanPiiArgs = {body: DataEditingScanRequest};

export type CreateApiV1DataEditingScanPiiOptions = {baseUrl: string, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const pIIFinding = z.object({row_index: z.number().int(), column: z.string(), entity_type: z.string(), text: z.string(), start: z.number().int(), end: z.number().int(), score: z.number()});

export const scanPhaseTimings = z.object({resolve_ms: z.number(), load_ms: z.number(), prepare_ms: z.number(), scan_ms: z.number(), pre_scan_ms: z.number()});

export const dataEditingScanResponse = z.object({success: z.boolean(), dataset_name: z.string(), dataset_version: z.string(), scan_type: z.enum(["pii", "phd"]), scan_status: z.enum(["scanned", "degraded", "unavailable"]), unscanned_cells: z.number().int(), total_cells: z.number().int(), findings_count: z.number().int(), affected_rows: z.number().int(), findings: z.array(pIIFinding), phases: scanPhaseTimings.nullable().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
};

/**
 * Scan For Pii
 * 
 * POST /v1/data-editing/scan-pii
 * 
 * Also accepts auth: BearerAuth
 */
export const createApiV1DataEditingScanPii = async (args: CreateApiV1DataEditingScanPiiArgs, options: CreateApiV1DataEditingScanPiiOptions) => {
const {baseUrl, fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("X-API-Key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/data-editing/scan-pii${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(dataEditingScanResponse, await res.json())
};