import {z} from 'zod'

export type CreateTrackRequest = {url: string, type: 'text' | 'audio', text_type?: ('subtitles' | 'chapters') | undefined, language_code: string, name?: string | undefined, closed_captions?: boolean | undefined, passthrough?: string | undefined};

export type CreateApiVideoV1AssetsASSETIDTracksArgs = {ASSET_ID: string, body: CreateTrackRequest};

export type CreateApiVideoV1AssetsASSETIDTracksOptions = {baseUrl?: string | undefined, accessToken?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const track = z.object({id: z.string().optional(), type: z.enum(["video", "audio", "text"]).optional(), duration: z.number().optional(), max_width: z.number().int().optional(), max_height: z.number().int().optional(), max_frame_rate: z.number().optional(), max_channels: z.number().int().optional(), text_type: z.enum(["subtitles", "chapters"]).optional(), text_source: z.enum(["uploaded", "embedded", "generated_live", "generated_live_final", "generated_vod"]).optional(), language_code: z.string().optional(), name: z.string().optional(), closed_captions: z.boolean().optional(), passthrough: z.string().optional(), status: z.enum(["preparing", "ready", "errored", "deleted", "skipped"]).optional(), primary: z.boolean().optional(), auto_language_confidence: z.number().optional()});

export const createTrackResponse = z.object({data: track});

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 an asset track
 * 
 * POST /video/v1/assets/{ASSET_ID}/tracks
 * 
 * Also accepts auth: authorizationToken
 */
export const createApiVideoV1AssetsASSETIDTracks = async (args: CreateApiVideoV1AssetsASSETIDTracksArgs, options?: CreateApiVideoV1AssetsASSETIDTracksOptions) => {
const {baseUrl = "https://api.mux.com", fetch: fetchFn = fetch, accessToken} = options ?? {}

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

if (accessToken !== undefined) headers.set('authorization', `Basic ${btoa(`${accessToken.username}:${accessToken.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/video/v1/assets/${encodeURIComponent(String(args.ASSET_ID))}/tracks${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(createTrackResponse, await res.json())
};