import {z} from 'zod'

export type E2ESyncChunk = {chunk_id: string, ciphertext: string, iv: string, embedding: Array<number>, blind_index_tokens?: Array<string> | undefined, contact_hash?: (string | null) | undefined, conversation_hash?: (string | null) | undefined, day_bucket?: (string | null) | undefined, connector_type: string};

export type E2ESyncRequest = {local_folder_id: string, chunks: Array<E2ESyncChunk>};

export type CreateApiDaemonE2eSyncArgs = {body: E2ESyncRequest};

export type CreateApiDaemonE2eSyncOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const e2ESyncResponse = z.object({chunks_accepted: z.number().int(), chunks_rejected: z.number().int(), cursor: 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
};

/**
 * Push encrypted sync chunks
 * 
 * POST /daemon/e2e/sync
 */
export const createApiDaemonE2eSync = async (args: CreateApiDaemonE2eSyncArgs, options?: CreateApiDaemonE2eSyncOptions) => {
const {baseUrl = "https://apigcp.trynia.ai/v2", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/daemon/e2e/sync${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", 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(e2ESyncResponse, await res.json())
};