import {z} from 'zod'

export type GetApiChannelsArgs = {direction?: ('asc' | 'desc') | undefined, filter?: 'featured' | undefined, page?: number | undefined, per_page?: number | undefined, query?: string | undefined, sort?: ('alphabetical' | 'date' | 'followers' | 'relevant' | 'videos') | undefined};

export type GetApiChannelsOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const picture = z.object({active: z.boolean(), link: z.string().optional(), resource_key: z.string(), sizes: z.array(z.object({height: z.number().nullable(), link: z.string(), link_with_play_button: z.string().optional(), width: z.number()})), type: z.enum(["caution", "custom", "default"]), uri: z.string()});

export const category = z.object({icon: picture.optional(), last_video_featured_time: z.string(), link: z.string(), metadata: z.object({connections: z.object({channels: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), groups: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), users: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), videos: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()})}), interactions: z.object({follow: z.object({added: z.boolean(), added_time: z.string().nullable(), uri: z.string()})})}), name: z.string(), parent: z.object({link: z.string(), name: z.string(), uri: z.string()}).nullable(), pictures: picture, resource_key: z.string(), subcategories: z.array(z.object({link: z.string(), name: z.string(), uri: z.string()})).optional(), top_level: z.boolean(), uri: z.string()});

export const tag = z.object({canonical: z.string(), metadata: z.object({connections: z.object({videos: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()})})}), name: z.string(), resource_key: z.string(), uri: z.string()});

export const user = z.object({account: z.enum(["basic", "business", "live_business", "live_premium", "live_pro", "plus", "pro", "pro_unlimited", "producer"]), bio: z.string().nullable(), content_filter: z.array(z.string()).optional(), created_time: z.string(), email: z.string().optional(), link: z.string(), location: z.string().nullable(), metadata: z.object({connections: z.object({albums: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), appearances: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), block: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), categories: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), channels: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), feed: z.object({options: z.array(z.string()), uri: z.string()}), folders: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), followers: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), following: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), groups: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), likes: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), moderated_channels: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), pictures: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), portfolios: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), recommended_channels: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), recommended_users: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), shared: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), videos: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), watched_videos: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), watchlater: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()})}), interactions: z.object({add_privacy_user: z.object({options: z.array(z.string()).optional(), uri: z.string().optional()}).optional(), block: z.object({added: z.boolean(), added_time: z.string().nullable(), options: z.array(z.string()), uri: z.string()}), follow: z.object({added: z.boolean(), options: z.array(z.string()), uri: z.string()}), report: z.object({options: z.array(z.string()), reason: z.array(z.string()), uri: z.string()})})}), name: z.string(), pictures: picture, preferences: z.object({videos: z.object({privacy: z.object({add: z.boolean().optional(), comments: z.enum(["anybody", "contacts", "nobody"]).optional(), download: z.boolean().optional(), embed: z.enum(["private", "public", "whitelist"]).optional(), view: z.enum(["anybody", "contacts", "disable", "nobody", "password", "unlisted", "users"]).optional()}).optional()}).optional()}).optional(), resource_key: z.string(), upload_quota: z.object({lifetime: z.object({free: z.number().nullable(), max: z.number().nullable(), used: z.number().nullable()}), periodic: z.object({free: z.number().nullable(), max: z.number().nullable(), reset_date: z.string().nullable(), used: z.number().nullable()}), space: z.object({free: z.number(), max: z.number().nullable(), showing: z.enum(["lifetime", "periodic"]), used: z.number()})}), uri: z.string(), websites: z.array(z.object({description: z.string().nullable(), link: z.string(), name: z.string().nullable()}))});

export const channel = z.object({categories: z.array(category), created_time: z.string(), description: z.string().nullable(), header: picture, link: z.string(), metadata: z.object({connections: z.object({privacy_users: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), users: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()}), videos: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()})}), interactions: z.object({add_moderators: z.object({options: z.array(z.string()), uri: z.string()}), add_to: z.object({options: z.array(z.string()), uri: z.string()}).nullable(), follow: z.object({added: z.boolean(), added_time: z.string().nullable(), type: z.enum(["moderator", "subscriber"]).nullable(), uri: z.string()}), moderate_videos: z.object({options: z.array(z.string()), uri: z.string()})}).nullable()}), modified_time: z.string(), name: z.string(), pictures: picture, privacy: z.object({view: z.enum(["anybody", "moderators", "users"])}), resource_key: z.string(), tags: z.array(tag), uri: z.string(), user: user});

export const getApiChannelsResponse = z.array(channel);

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 all channels
 * 
 * GET /channels
 */
export const getApiChannels = async (args: GetApiChannelsArgs, options?: GetApiChannelsOptions) => {
const {baseUrl = "https://api.vimeo.com", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (args.direction != null) query.append("direction", String(args.direction))
if (args.filter != null) query.append("filter", String(args.filter))
if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.query != null) query.append("query", String(args.query))
if (args.sort != null) query.append("sort", String(args.sort))
if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

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