import {z} from 'zod'

export type ClassificationPatch = {sensitivity?: ('public' | 'internal' | 'confidential' | 'restricted' | null) | undefined, visibility_mode?: ('org_wide' | 'audience' | null) | undefined, audience_tags?: (Array<string> | null) | undefined, reason?: (string | null) | undefined};

export type PatchApiV1KnowledgeBaseDocumentsDocIdClassificationArgs = {doc_id: string, body: ClassificationPatch};

export type PatchApiV1KnowledgeBaseDocumentsDocIdClassificationOptions = {baseUrl: string, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const classificationResponse = z.object({document_id: z.string(), sensitivity: z.string(), sensitivity_level: z.number().int(), classification_source: z.string().nullable(), classification_status: z.string(), classification_confidence: z.number().nullable(), classified_at: z.string().nullable(), classified_by: z.string().nullable(), manual_override_floor: z.number().int().nullable(), manual_lower_hash: z.string().nullable(), visibility_mode: z.string(), audience_tags: z.array(z.string()), detected_sensitivity: z.string().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
};

/**
 * Manually correct a document's sensitivity classification
 * 
 * PATCH /v1/knowledge-base/documents/{doc_id}/classification
 */
export const patchApiV1KnowledgeBaseDocumentsDocIdClassification = async (args: PatchApiV1KnowledgeBaseDocumentsDocIdClassificationArgs, options: PatchApiV1KnowledgeBaseDocumentsDocIdClassificationOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/knowledge-base/documents/${encodeURIComponent(String(args.doc_id))}/classification${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(classificationResponse, await res.json())
};