import {z} from 'zod'

export type GetApiVideoV1AssetsASSETIDInputInfoArgs = {ASSET_ID: string};

export type GetApiVideoV1AssetsASSETIDInputInfoOptions = {baseUrl?: string | undefined, accessToken?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const assetGeneratedSubtitleSettings = z.object({name: z.string().optional(), passthrough: z.string().optional(), language_code: z.enum(["en", "es", "it", "pt", "de", "fr", "pl", "ru", "nl", "ca", "tr", "sv", "uk", "no", "fi", "sk", "el", "cs", "hr", "da", "ro", "bg", "auto"]).optional()});

export const inputSettings = z.object({url: z.string().optional(), overlay_settings: z.object({vertical_align: z.enum(["top", "middle", "bottom"]).optional(), vertical_margin: z.string().optional(), horizontal_align: z.enum(["left", "center", "right"]).optional(), horizontal_margin: z.string().optional(), width: z.string().optional(), height: z.string().optional(), opacity: z.string().optional()}).optional(), generated_subtitles: z.array(assetGeneratedSubtitleSettings).optional(), start_time: z.number().optional(), end_time: z.number().optional(), type: z.enum(["video", "audio", "text"]).optional(), text_type: z.enum(["subtitles", "chapters"]).optional(), language_code: z.string().optional(), name: z.string().optional(), closed_captions: z.boolean().optional(), passthrough: z.string().optional()});

export const inputTrack = z.object({type: z.string(), duration: z.number().optional(), encoding: z.string().optional(), width: z.number().int().optional(), height: z.number().int().optional(), frame_rate: z.number().optional(), sample_rate: z.number().int().optional(), sample_size: z.number().int().optional(), channels: z.number().int().optional()});

export const inputFile = z.object({container_format: z.string().optional(), tracks: z.array(inputTrack).optional()});

export const inputInfo = z.object({settings: inputSettings.optional(), file: inputFile.optional()});

export const getAssetInputInfoResponse = z.object({data: z.array(inputInfo)});

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
};

/**
 * Retrieve asset input info
 * 
 * GET /video/v1/assets/{ASSET_ID}/input-info
 * 
 * Also accepts auth: authorizationToken
 */
export const getApiVideoV1AssetsASSETIDInputInfo = async (args: GetApiVideoV1AssetsASSETIDInputInfoArgs, options?: GetApiVideoV1AssetsASSETIDInputInfoOptions) => {
const {baseUrl = "https://api.mux.com", fetch: fetchFn = fetch, accessToken} = options ?? {}

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

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

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