import {z} from 'zod'

export type GetApiApiV0KnowledgeBasesKbIdArgs = {kb_id: string};

export type GetApiApiV0KnowledgeBasesKbIdOptions = {baseUrl: string, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const processingPreset = z.enum(["full", "text_and_tables", "layout_only", "existing_text", "disabled"]);

export const textExtractionMode = z.enum(["auto", "ocr", "vlm", "embedded", "none"]);

export const pageProcessingOptions = z.object({text_extraction: textExtractionMode.optional(), detect_layout: z.boolean().optional(), extract_tables: z.boolean().optional(), classify_pages: z.boolean().optional(), classify_visuals: z.boolean().optional(), transcribe_visuals: z.boolean().optional(), describe_visuals: z.boolean().optional(), generate_page_descriptions: z.boolean().optional(), process_schematics: z.boolean().optional(), aggregate_viewboxes: z.boolean().optional(), defer_table_refinement: z.boolean().optional(), defer_component_descriptions: z.boolean().optional(), defer_page_descriptions: z.boolean().optional()});

export const knowledgeBaseProcessingSettingsResponse = z.object({processing_preset: processingPreset.nullable(), page_processing_options: pageProcessingOptions});

export const drawingRelationshipFeature = z.object({type_id: z.string(), display_name: z.string()});

export const drawingFeatures = z.object({relationships: z.array(drawingRelationshipFeature), pass_through_type_ids: z.array(z.string()), element_ids_attribute: z.string().nullable(), kind_attribute_names: z.array(z.string())});

export const graphPackageFeatures = z.object({slug: z.string(), version: z.string(), story_type_ids: z.array(z.string()), interview_type_ids: z.array(z.string()), drawing: drawingFeatures.nullable().optional()});

export const knowledgeBaseGetResponse = z.object({id: z.string(), name: z.string(), description: z.string(), document_count: z.number().int(), created_at: z.string(), updated_at: z.string(), processing_settings: knowledgeBaseProcessingSettingsResponse, graph_enabled: z.boolean().optional(), graph_status: z.enum(["disabled", "ready", "stale"]).optional(), graph_source_revision: z.number().int().nullable().optional(), graph_projected_revision: z.number().int().nullable().optional(), graph_packages: z.array(z.string()).optional(), graph_features: z.array(graphPackageFeatures).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
};

/**
 * Get knowledge base
 * 
 * GET /api/v0/knowledge-bases/{kb_id}
 */
export const getApiApiV0KnowledgeBasesKbId = async (args: GetApiApiV0KnowledgeBasesKbIdArgs, options: GetApiApiV0KnowledgeBasesKbIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v0/knowledge-bases/${encodeURIComponent(String(args.kb_id))}${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(knowledgeBaseGetResponse, await res.json())
};