import {z} from 'zod'

export type DeleteApiV1ConvaiKnowledgeBaseDocumentationIdRagIndexRagIndexIdArgs = {documentation_id: string, rag_index_id: string, 'xi-api-key'?: (string | null) | undefined};

export type DeleteApiV1ConvaiKnowledgeBaseDocumentationIdRagIndexRagIndexIdOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const embeddingModelEnum = z.enum(["e5_mistral_7b_instruct", "multilingual_e5_large_instruct"]);

export const rAGIndexStatus = z.enum(["new", "created", "processing", "failed", "succeeded", "rag_limit_exceeded", "document_too_small", "cannot_index_folder"]);

export const rAGDocumentIndexUsage = z.object({used_bytes: z.number().int()});

export const rAGDocumentIndexResponseModel = z.object({id: z.string(), model: embeddingModelEnum, status: rAGIndexStatus, progress_percentage: z.number(), document_model_index_usage: rAGDocumentIndexUsage});

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
};

/**
 * Delete Rag Index.
 * 
 * DELETE /v1/convai/knowledge-base/{documentation_id}/rag-index/{rag_index_id}
 */
export const deleteApiV1ConvaiKnowledgeBaseDocumentationIdRagIndexRagIndexId = async (args: DeleteApiV1ConvaiKnowledgeBaseDocumentationIdRagIndexRagIndexIdArgs, options: DeleteApiV1ConvaiKnowledgeBaseDocumentationIdRagIndexRagIndexIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args['xi-api-key'] != null) headers.set("xi-api-key", String(args['xi-api-key']))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/convai/knowledge-base/${encodeURIComponent(String(args.documentation_id))}/rag-index/${encodeURIComponent(String(args.rag_index_id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "DELETE", headers})

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

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