import {z} from 'zod'

export type GetApiV1VideosIdClipsClipIdAudioLevelsArgs = {id: string, clipId: string, startTimeMs: number, endTimeMs: number, stepMs?: number | undefined};

export type GetApiV1VideosIdClipsClipIdAudioLevelsOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const clipAudioLevelsResponse = z.object({levelsDb: z.array(z.number().nullable()), resolutionMs: z.number(), startTimeMs: z.number(), stepMs: z.number()});

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
};

/**
 * Get audio levels in a clip
 * 
 * GET /v1/videos/{id}/clips/{clipId}/audio-levels
 */
export const getApiV1VideosIdClipsClipIdAudioLevels = async (args: GetApiV1VideosIdClipsClipIdAudioLevelsArgs, options?: GetApiV1VideosIdClipsClipIdAudioLevelsOptions) => {
const {baseUrl = "https://api.tella.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.startTimeMs != null) query.append("startTimeMs", String(args.startTimeMs))
if (args.endTimeMs != null) query.append("endTimeMs", String(args.endTimeMs))
if (args.stepMs != null) query.append("stepMs", String(args.stepMs))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/videos/${encodeURIComponent(String(args.id))}/clips/${encodeURIComponent(String(args.clipId))}/audio-levels${query.size > 0 ? `?${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(clipAudioLevelsResponse, await res.json())
};