import {z} from 'zod'

export type CreateApiV1WebsocketArgs = {body: {action: 'trade_executed' | 'balance_updated' | 'trade_update_notify' | 'stream_status' | 'viewer_count' | 'stream_countdown' | 'recording_status' | 'recordings_count_updated' | 'download_ready' | 'simulcast_status' | 'stream_language_updated' | 'chat_message' | 'chat_status' | 'typing_indicator' | 'stream_chat_sent' | 'stream_chat_updated' | 'stream_chat_deleted' | 'stream_chat_pinned' | 'stream_chat_unpinned' | 'stream_control_status_changed' | 'send_stream_reaction' | 'stream_reaction' | 'content_reaction_added' | 'content_reaction_removed' | 'comment_created' | 'comment_updated' | 'comment_deleted' | 'token_banned' | 'token_unbanned' | 'moderator_added' | 'moderator_removed' | 'moderator_invite_created' | 'moderator_role_updated' | 'overseer_added' | 'overseer_removed' | 'user_banned' | 'user_unbanned' | 'ban_enforcement' | 'user_profile_updated' | 'api_key_created' | 'api_key_updated' | 'api_key_revoked' | 'holder_count_updated' | 'pool_badge_assigned' | 'pool_created' | 'pool_metadata_updated' | 'pool_social_links_updated' | 'token_config_updated' | 'ai_moderation_complete' | 'ai_moderation_failed' | 'content_flagged' | 'flag_resolved' | 'site_config_changed' | 'feature_status' | 'chat_global_status' | 'streaming_global_status' | 'comments_global_status' | 'webhooks_global_status' | 'ai_moderation_global_status' | 'stats_updated' | 'event', broadcast?: boolean | undefined, payload: {[key: string]: unknown}, tokenName?: string | undefined, userAddress?: string | undefined}};

export type CreateApiV1WebsocketOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiV1WebsocketResponse = z.object({error: z.literal(false), message: z.string(), status: z.number(), data: z.object({})});

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
};

/**
 * Emit WebSocket event to connected clients
 * 
 * POST /v1/websocket
 * 
 * Also accepts auth: bearer
 */
export const createApiV1Websocket = async (args: CreateApiV1WebsocketArgs, options?: CreateApiV1WebsocketOptions) => {
const {baseUrl = "https://lpad-backend.stage.defi.ovh.gala.com", fetch: fetchFn = fetch, apiKeyAuth} = options ?? {}

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

if (apiKeyAuth !== undefined) headers.set("x-api-key", apiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/websocket${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiV1WebsocketResponse, await res.json())
};