import {z} from 'zod'

export type GetApiApiV0KnowledgeBasesKbIdVisualComponentsSearchArgs = {kb_id: string, q: string, limit?: number | undefined, offset?: number | undefined};

export type GetApiApiV0KnowledgeBasesKbIdVisualComponentsSearchOptions = {baseUrl: string, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const knowledgeBaseVisualComponentSearchItem = z.object({component_id: z.string(), document_id: z.string(), document_name: z.string(), type: z.string(), label: z.string(), page_number: z.number().int().nullable(), sequence_number: z.number().int().nullable(), matched_fields: z.array(z.string()), snippet: z.string()});

export const paginationMetadata = z.object({total: z.number().int(), limit: z.number().int(), offset: z.number().int(), has_more: z.boolean()});

export const knowledgeBaseVisualComponentSearchResponse = z.object({results: z.array(knowledgeBaseVisualComponentSearchItem), pagination: paginationMetadata});

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
};

/**
 * Search knowledge base visual components
 * 
 * GET /api/v0/knowledge-bases/{kb_id}/visual-components/search
 */
export const getApiApiV0KnowledgeBasesKbIdVisualComponentsSearch = async (args: GetApiApiV0KnowledgeBasesKbIdVisualComponentsSearchArgs, options: GetApiApiV0KnowledgeBasesKbIdVisualComponentsSearchOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args.q != null) query.append("q", String(args.q))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

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