import {z} from 'zod'

export type CreateApiRtstreamStreamIdIndexSceneArgs = {stream_id: string, body: {extraction_type?: ('time' | 'transcript') | undefined, extraction_config?: ({time?: number | undefined, frame_count?: number | undefined}) | undefined, prompt?: string | undefined, model_name?: string | undefined, model_config?: Record<string, never> | undefined, name?: string | undefined, ws_connection_id?: string | undefined}};

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

export const createApiRtstreamStreamIdIndexSceneResponse = z.object({success: z.boolean().optional(), data: z.object({rtstream_index_id: z.string().optional(), extraction_type: z.string().optional(), status: z.string().optional(), prompt: z.string().optional(), name: z.string().optional()}).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
};

/**
 * Create RTStream scene index
 * 
 * POST /rtstream/{stream_id}/index/scene
 */
export const createApiRtstreamStreamIdIndexScene = async (args: CreateApiRtstreamStreamIdIndexSceneArgs, options?: CreateApiRtstreamStreamIdIndexSceneOptions) => {
const {baseUrl = "https://api.videodb.io", 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("x-access-token", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/rtstream/${encodeURIComponent(String(args.stream_id))}/index/scene${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(createApiRtstreamStreamIdIndexSceneResponse, await res.json())
};