import {z} from 'zod'

export type GetApiV1AvatarsArgs = {limit?: number | undefined, after?: (string | null) | undefined, 'x-api-key': string};

export type GetApiV1AvatarsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const publicPairedVoice = z.object({id: z.string(), object: z.literal("voice").optional(), name: z.string(), source: z.enum(["stock", "custom"]), preview_url: z.string().min(1).max(2083).nullable().optional()});

export const publicAvatar = z.object({id: z.string(), object: z.literal("avatar").optional(), name: z.string(), description: z.string().nullable().optional(), source: z.enum(["stock", "custom"]), thumbnail_url: z.string().min(1).max(2083), preview_url: z.string().min(1).max(2083).nullable().optional(), aspect_ratio: z.enum(["9:16", "16:9"]), paired_voice: publicPairedVoice.nullable().optional()});

export const catalogPagePublicAvatar = z.object({data: z.array(publicAvatar), has_more: z.boolean(), next_cursor: z.string().nullable()});

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 Avatars
 * 
 * GET /v1/avatars
 */
export const getApiV1Avatars = async (args: GetApiV1AvatarsArgs, options: GetApiV1AvatarsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.after != null) query.append("after", String(args.after))
if (args['x-api-key'] != null) headers.set("x-api-key", String(args['x-api-key']))

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