import {z} from 'zod'

export type GetApiApiGifsTrendingGifsArgs = {media_format?: string | undefined, locale?: string | undefined, limit?: number | undefined, provider?: string | undefined};

export type GetApiApiGifsTrendingGifsOptions = {baseUrl?: string | undefined, bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const gifResponse = z.object({id: z.string(), title: z.string(), url: z.string(), src: z.string(), gif_src: z.string(), width: z.number().int(), height: z.number().int(), preview: z.string()});

export const gifsResponse = z.array(gifResponse);

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 /api/gifs/trending-gifs/
 */
export const getApiApiGifsTrendingGifs = async (args: GetApiApiGifsTrendingGifsArgs, options?: GetApiApiGifsTrendingGifsOptions) => {
const {baseUrl = "https://api.rory.server.spacebar.chat", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (args.media_format != null) query.append("media_format", String(args.media_format))
if (args.locale != null) query.append("locale", String(args.locale))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.provider != null) query.append("provider", String(args.provider))
if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/gifs/trending-gifs/${query.size > 0 ? `?${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(gifsResponse, await res.json())
};