import {z} from 'zod'

export type GetApiV1TiktokUsersUsernameArgs = {username: string, region?: string | undefined};

export type GetApiV1TiktokUsersUsernameOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const tikTokUserStats = z.object({follower_count: z.number().int().optional(), following_count: z.number().int().optional(), heart_count: z.number().int().optional(), video_count: z.number().int().optional(), digg_count: z.number().int().optional(), friend_count: z.number().int().optional()});

export const tikTokUser = z.object({id: z.string().optional(), sec_uid: z.string().optional(), unique_id: z.string().optional(), nickname: z.string().optional(), signature: z.string().optional(), bio_link: z.string().optional(), verified: z.boolean().optional(), verify_reason: z.string().optional(), verification_type: z.number().int().optional(), private_account: z.boolean().optional(), is_commerce_account: z.boolean().optional(), is_seller: z.boolean().optional(), is_organization: z.boolean().optional(), original_musician: z.boolean().optional(), is_star: z.boolean().optional(), region: z.string().optional(), language: z.string().optional(), ins_id: z.string().optional(), twitter_name: z.string().optional(), youtube_channel_title: z.string().optional(), avatar_thumb: z.string().optional(), avatar_medium: z.string().optional(), avatar_larger: z.string().optional(), stats: tikTokUserStats.optional(), open_favorite: z.boolean().optional(), comment_setting: z.number().int().optional(), duet_setting: z.number().int().optional(), stitch_setting: z.number().int().optional(), download_setting: z.number().int().optional(), following_visibility: z.number().int().optional(), is_live: z.boolean().optional(), room_id: z.string().optional(), commerce_category: z.string().optional(), commerce_user_level: z.number().int().optional(), with_shop_entry: z.boolean().optional(), create_time_utc: z.number().int().optional(), create_time_at: z.string().optional(), profile_url: z.string().optional()});

export const profileResponse = z.object({user: tikTokUser, region: z.string()});

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 User Profile
 * 
 * GET /v1/tiktok/users/{username}
 */
export const getApiV1TiktokUsersUsername = async (args: GetApiV1TiktokUsersUsernameArgs, options?: GetApiV1TiktokUsersUsernameOptions) => {
const {baseUrl = "https://scrapebadger.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.region != null) query.append("region", String(args.region))
if (apiKey !== undefined) headers.set("x-api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/tiktok/users/${encodeURIComponent(String(args.username))}${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(profileResponse, await res.json())
};