import {z} from 'zod'

export type GetApiV1KnowledgeBaseDocumentsDocIdVersionsArgs = {doc_id: string};

export type GetApiV1KnowledgeBaseDocumentsDocIdVersionsOptions = {baseUrl: string, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const documentVersionResponse = z.object({id: z.string(), document_id: z.string(), version_number: z.number().int(), state: z.string(), scan_status: z.string().nullable().optional(), source_type: z.string(), source_url: z.string().nullable(), filename: z.string().nullable().optional(), chunk_count: z.number().int(), token_count: z.number().int(), error_message: z.string().nullable(), metadata: z.record(z.string(), z.unknown()).optional(), created_at: z.string(), processed_at: z.string().nullable(), download_url: z.string().nullable().optional(), governance_status: z.string().nullable().optional(), expires_at: z.string().nullable().optional(), pii_status: z.string().nullable().optional(), sensitivity: z.string().nullable().optional(), pii_detection_count: z.number().int().nullable().optional(), pii_entity_types: z.array(z.string()).nullable().optional(), pii_coverage_status: z.string().nullable().optional(), pii_scrubbed_at: z.string().nullable().optional(), safe_title: z.string().nullable().optional()});

export const getApiV1KnowledgeBaseDocumentsDocIdVersionsResponse = z.array(documentVersionResponse);

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
};

/**
 * List all versions of a document
 * 
 * GET /v1/knowledge-base/documents/{doc_id}/versions
 */
export const getApiV1KnowledgeBaseDocumentsDocIdVersions = async (args: GetApiV1KnowledgeBaseDocumentsDocIdVersionsArgs, options: GetApiV1KnowledgeBaseDocumentsDocIdVersionsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/knowledge-base/documents/${encodeURIComponent(String(args.doc_id))}/versions${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(getApiV1KnowledgeBaseDocumentsDocIdVersionsResponse, await res.json())
};