import netScheduler from "mq/scheduler.ts";
import { VideoInfoData, VideoInfoResponse } from "net/bilibili.d.ts";
import logger from "log/logger.ts";

/*
 * Fetch video metadata from bilibili API
 * @param {number} aid - The video's aid
 * @param {string} task - The task name used in scheduler. It can be one of the following:
 * - snapshotVideo
 * - getVideoInfo
 * - snapshotMilestoneVideo
 * @returns {Promise<VideoInfoData | number>} VideoInfoData or the error code returned by bilibili API
 * @throws {NetSchedulerError} - The error will be thrown in following cases:
 * - No proxy is available currently: with error code `NO_PROXY_AVAILABLE`
 * - The native `fetch` function threw an error: with error code `FETCH_ERROR`
 * - The alicloud-fc threw an error: with error code `ALICLOUD_FC_ERROR`
 */
export async function getVideoInfo(aid: number, task: string): Promise<VideoInfoData | number> {
	const url = `https://api.bilibili.com/x/web-interface/view?aid=${aid}`;
	const data = await netScheduler.request<VideoInfoResponse>(url, task);
	const errMessage = `Error fetching metadata for ${aid}:`;
	if (data.code !== 0) {
		logger.error(errMessage + data.code + "-" + data.message, "net", "fn:getVideoInfo");
		return data.code;
	}
	return data.data;
}