import {z} from 'zod'

export type SubtitleGenerationRequest = {data: {type: string, attributes?: ({languages?: (Array<'en' | 'da' | 'de' | 'sv' | 'no' | 'nn' | 'fi' | 'nl' | 'fr' | 'es' | 'it' | 'pt' | 'pl' | 'ru' | 'uk' | 'cs' | 'sk' | 'ro' | 'hu' | 'el' | 'tr' | 'bg' | 'hr' | 'sr' | 'sl' | 'et' | 'lv' | 'lt' | 'is' | 'ga' | 'ca' | 'id' | 'ms' | 'vi' | 'th' | 'ar' | 'he' | 'hi' | 'fa' | 'af' | 'zh' | 'ja' | 'ko'>) | undefined}) | undefined}};

export type CreateApiDamFilesFileIdSubtitleGenerationsArgs = {file_id: string, body: SubtitleGenerationRequest};

export type CreateApiDamFilesFileIdSubtitleGenerationsOptions = {baseUrl: string, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const subtitleGeneration = z.object({id: z.string().optional(), type: z.string().optional(), attributes: z.object({status: z.enum(["queued", "processing", "completed", "translation_failed", "no_audio_track", "no_speech", "source_missing", "failed"]).optional(), languages: z.array(z.string()).optional(), created_at: z.string().optional(), updated_at: z.string().optional()}).optional(), links: z.object({self: z.string().optional()}).optional()});

export const subtitleGenerationResponse = z.object({data: subtitleGeneration.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
};

/**
 * Starts AI subtitle generation for a DAM file
 * 
 * POST /dam/files/{file_id}/subtitle-generations
 */
export const createApiDamFilesFileIdSubtitleGenerations = async (args: CreateApiDamFilesFileIdSubtitleGenerationsArgs, options: CreateApiDamFilesFileIdSubtitleGenerationsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/dam/files/${encodeURIComponent(String(args.file_id))}/subtitle-generations${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(subtitleGenerationResponse, await res.json())
};