import logger from "@core/log";
import type { MediaListInfoData, MediaListInfoResponse } from "@core/net/bilibili.d";
import networkDelegate, { type RequestTasks } from "@core/net/delegate";

/*
 * Bulk fetch video metadata from bilibili API
 * @param {number[]} aids - The aid list to fetch
 * @returns {Promise<MediaListInfoData | number>} MediaListInfoData 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 bulkGetVideoStats(
	aids: number[],
	task?: RequestTasks
): Promise<
	| {
			data: MediaListInfoData;
			time: number;
	  }
	| number
> {
	// TODO: https://api.bilibili.com/x/v3/fav/resource/infos?resources=20:2
	let url = `https://api.bilibili.com/medialist/gateway/base/resource/infos?resources=`;
	for (const aid of aids) {
		url += `${aid}:2,`;
	}
	const { data, time } = await networkDelegate.request<MediaListInfoResponse>(
		url,
		task ?? "bulkSnapshot"
	);
	const errMessage = `Error fetching metadata for aid list: ${aids.join(",")}:`;
	if (data.code !== 0) {
		logger.error(`${errMessage + data.code}-${data.message}`, "net", "fn:getVideoInfo");
		return data.code;
	}
	return {
		data: data.data,
		time: time,
	};
}