import {z} from 'zod'

export type GetApiV1VideosArgs = {cursor?: string | undefined, limit?: number | undefined, playlistId?: string | undefined, tagIds?: string | undefined};

export type GetApiV1VideosOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const pagination = z.object({hasMore: z.boolean(), nextCursor: z.string().nullable()});

export const videoLinks = z.object({embedPage: z.string(), viewPage: z.string()});

export const videoListItem = z.object({aspectRatio: z.string(), autoRatio: z.boolean(), createdAt: z.string(), description: z.string().max(5000), dimensions: z.object({height: z.number(), width: z.number()}), id: z.string(), links: videoLinks, name: z.string().min(1).max(255), updatedAt: z.string(), views: z.number().int().gte(0).lte(9007199254740991)});

export const getApiV1VideosResponse = z.object({pagination: pagination, videos: z.array(videoListItem)});

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
};

/**
 * List all videos
 * 
 * GET /v1/videos
 */
export const getApiV1Videos = async (args: GetApiV1VideosArgs, options?: GetApiV1VideosOptions) => {
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.cursor != null) query.append("cursor", String(args.cursor))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.playlistId != null) query.append("playlistId", String(args.playlistId))
if (args.tagIds != null) query.append("tagIds", String(args.tagIds))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/videos${query.size > 0 ? `?${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(getApiV1VideosResponse, await res.json())
};