import {z} from 'zod'

export type CreateApiDataCredentialsCredentialIdProbeTreeArgs = {credential_id: number, async?: boolean | undefined, request_id?: number | undefined, body: {depth: number, path?: string | undefined} | {depth: number, database?: string | undefined, table?: string | undefined}};

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

export const probeTreeCommon = z.object({status: z.literal("ok").optional(), message: z.literal("Ok").optional(), connection_type: z.string().optional()});

export const asyncResponse = z.object({request_id: z.number().int().optional(), status: z.enum(["pending", "running", "completed", "failed", "cancelled"]).optional(), request_started_at: z.string().optional(), progress: z.number().int().optional(), result: z.record(z.string(), z.unknown()).optional(), request_stopped_at: z.string().optional(), request_completed_at: z.string().optional()});

export const probeTreeWithAsync = z.union([probeTreeCommon, asyncResponse]);

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
};

/**
 * Preview Storage Structure
 * 
 * POST /data_credentials/{credential_id}/probe/tree
 */
export const createApiDataCredentialsCredentialIdProbeTree = async (args: CreateApiDataCredentialsCredentialIdProbeTreeArgs, options?: CreateApiDataCredentialsCredentialIdProbeTreeOptions) => {
const {baseUrl = "https://dataops.nexla.io/nexla-api", fetch: fetchFn = fetch, NexlaSessionToken} = options ?? {}

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

if (args.async != null) query.append("async", String(args.async))
if (args.request_id != null) query.append("request_id", String(args.request_id))
if (NexlaSessionToken !== undefined) headers.set('authorization', `Bearer ${NexlaSessionToken}`)

const url = `${baseUrl.replace(/\/+$/, '')}/data_credentials/${encodeURIComponent(String(args.credential_id))}/probe/tree${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(probeTreeWithAsync, await res.json())
};